Answer:
Molecules produced in the nucleus are transported to the cytoplasm via endoplasmic reticulum.
A couple would like to know what the probability is that out of five children, three will be girls. This is solved using which of the following?
A) Product rule
B) Sum rule
C) Chi-square test
D) Random sampling error
E) Binomial expansion
This is solved by using binomial expansion. Therefore, option D is correct.
What is probability?A probability is a numerical representation of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities. Information about the possibility that something will happen is provided by probability.
A couple would like to know what the probability is that out of five children, three will be girls. This is solved by using binomial expansion. Therefore, option D is correct.
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What type of organisms is this?
The type of organism shown in the image above is a plant.
What is an organism?An organism in biology is a discrete and complete living thing, such as animal, plant, fungus or microorganism.
Also, it can be described as any complex thing with properties normally associated with living things.
Living organisms belongs to five major groups called kingdom and are as follows:
PlantaeAnimalsFungiMoneraProtistaPlants are organisms that are not an animals, especially an organism capable of photosynthesis. Based on the image above, the organism shown is a plant.
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Why do light-fur mice survive LESS often on dark rocks, compared to dark-fur mice?
Answer:
for a creature with a lighter fur color it is next to impossible to blend into darker colored environments compared to darker fur colored creatures
The light fur mice survive less on the dark rocks compared to the dark fur mice. The reason is the light fur mice can be easily visible by the Predator and eaten by them.
What is adaptation?An adaptation is a process in which an organism tries to adapt with the environment in order to protect itself from the predator. There are different types of adaptation seen in the animal kingdom, such as mimicry.
An example is mice fur coloration on the dark rocks. Dark rocks have dark coloration. When dark-furred mice live on this type of rock, their colour will mix with the dark colour of the rock. As a result, they can't be clearly visible to the predator's eye. Predators that are present at a distance, such as birds can't distinguish between the rock and the dark mouse's fur. This increases their chance of survival. When a light fur-colored mouse lives on the dark Rock, it can easily be differentiated by the Predator and eaten by them.
Hence, light colour fur mice survives less than the dark fur mice on the dark Rock as they can easily be seen by predators.
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Understand: Endosymbiotic theory is supported by all of the following pieces of evidence EXCEPT for a. The ribosomes of bacteria and mitochondria are structuraly similar b. Bacteria and mitochondria both store DNA as two linear chromosomes c. Bacteria and mitochondria are both surrounded by a lipid bilayer d. Bacteria and mitochondria reproduce via binary fissiorn e. Bacteria and mitochondria are of a similar size
Correct answer:- (b) Bacteria and mitochondria both store DNA as two linear chromosomes.
What is explained by the endosymbiotic theory?According to the endosymbiotic theory, some eukaryotic cell organelles, such mitochondria and plastids, descended from prokaryotes that were free to move around. According to the information at hand, Margulis' theory that mitochondrial endosymbiosis led to the emergence of the eukaryotic cell is correct.
Which one most accurately sums up the endosymbiotic theory?an inside cell of another cell. The best explanation for how eukaryotic cells developed from a prokaryotic cell engulfing another prokaryotic cell is endosymbiosis.
How are mitochondria explained by the endosymbiotic theory?According to the endosymbiotic hypothesis, mitochondria (and chloroplasts) originated from specialized bacteria (likely purple nonsulfur bacteria) that managed to evade endocytosis by another species of a prokaryote or by a different type of cell and ended up absorbed into the cytoplasm.
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A researcher wants to examine the effect of fertilizer and the effect of sunlight on the yield of tomatoes. She bought 60 tomato plants at local garden store. She randomly assigned 30 tomato plants to be planted on the sunny side of the hill and 30 to be planted on the shady side. The 30 plants which are planted on the shady side are randomly assigned to one of three groups. The first group are grown with no fertilizer, the second group with a small amount of fertilizer, and the third group with a large amount of fertilizer. The 30 plants which are planted on the sunny side are likewise randomly assigned to one of three group. The first group are grown with no fertilizer, the second group with a small amount of fertilizer and the third group with a large amount of fertilizer. All tomato plants are planed at the same time and are all treated alike (in terms of how they are watered, weeded etc.). Each plant is grown to maturity. The total weight of tomatoes obtained from each plant is recorded. Identify the factor(s) and the number of levels for each. a) Sunny, shady (2 levels) b) No fertilizer, small amount of fertilizer, large amount of fertilizer (3 levels) c) No fertilizer and sunny, small amount of fertilizer and sunny, large amount of fertilizer and sunny, no fertilizer and shady, small amount of fertilizer and shady, large amount of fertilizer and shady (6 levels) d) Fertilizer (3 levels), location (2 levels) e) Fertilizer (3 levels), blocking variable – location (2 levels)
In this experiment, the fourth tomato plants—the group of tomatoes that do not get any fertilizers—serves as the control group.
Fertilizer is any substance, whether chemical or natural, applied to the soil with the intention of boosting productivity. Tomato groups behave as a reference group when fertilizer is added, whereas tomato groups that have no fertilizer added behave as a control group. The aforementioned description is true as a result. The group in which nothing is altered is known as the control group. To determine whether the changes you make in the experimental groups actually had an impact, use this as a foundation or baseline. In the absence of this, your experiment is worthless since there is no evidence that the adjustment you performed was the root cause of the result you observed.
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make each branch of science with a related career hydrologist
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Branch of science with a related career hydrologist: 1. Astronomy - Astronomer, 2. Biology - Biologist, 3. Chemistry - Chemist, 4. Earth Science - Geologist, 5. Physics - Physicist and 6. Hydrology - Hydrologist.
What is hydrologist?A hydrologist is a scientist who studies the water cycle and the way that water moves throughout the environment. Hydrologists examine how water is stored, distributed, used, and managed on a local, regional, and global scale. They use data collected from observation, instruments, and remote sensing systems to measure the amount of water in rivers, lakes, and aquifers, to track water flow, and to forecast the future availability of water.
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Where are the A, B and RH antigens located
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
If a food has many calories relative to its physical size, it's considered to have a
A. high calorie density.
B. low calorie density.
C. high fat density.
D. low fat density.
Answer:A
Explanation: High-calorie density per its physical size
Answer:
A is the answer because it is high in calories density
Which of the following questions is most relevant to understanding the Calvin cycle?
(A) How does chlorophyll capture light?
(B) How is ATP used in the formation of carbohydrates?
(C) How is NADP+ reduced to NADPH?
(D) How is ATP produced in chemiosmosis?
How is ATP used in the formation of carbohydrates? is the most relevant question to understanding the Calvin cycle.
The Calvin cycle is a procedure that vegetation and algae use to show carbon dioxide from the air into sugar, the meals autotrophs want to grow. Every dwelling aspect on Earth relies upon at the Calvin cycle. Plants rely upon the Calvin cycle for strength and meals.
So to discover whether or not the calvin cycle is taking place, you need to see whether or not sugar or glucose is being synthesized or being created, so you are searching out is glucose being prete.
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which trait became more common over time why do you think this happened
Answer:
Whether an allele is dominant or not does not affect how common a trait is. Now of course traits can become more common over time. The changes just don’t have anything to do with whether the trait is dominant or not. If brown eyes gave an advantage, then it would start to become more common.
Explanation:
Traits that provide advantage to the organism become more common over time due to natural selection. Therefore, traits become common due to natural selection.
What is natural selection?Due to natural selection, traits that are desirable to an organism and help in its survival in an environment and allow them to reproduce successfully become common over time which help them to acclimatize more successfully.
For example, in a population of birds that feed on insects, some birds have longer beaks while some have shorter beaks. successful at obtaining food and surviving than birds with shorter beaks. Birds having longer beaks will feed on insects more easily than the birds with shorter beaks.
Longer-beaked birds with period of time will become more common in the population as they outcompete other birds for resources. Natural selection is influenced by various factors, such as genetic drift, gene flow, etc.
Therefore, desirable traits that are necessary for population will become more common over time due to natural selection.
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Which best explains why water quality standards have been created to ensure heavy metals in water are kept to a minimum?
O A. Heavy metals are linked to toxicities in humans and large amounts of heavy metals should not be consumed.
OB. Heavy metals can stain ceramic surfaces in homes and cost the homeowners hundreds in repairs.
OC. Heavy metals can cause discoloration of water and can cause a strong unpleasant odor.
O D. Heavy metals can corrode pipes and cause problems with internal plumbing.
its OB because if you read it says it praticly
Heavy metals are harmful and should not be consumed in large amounts. Therefore, option (A) is correct.
What are harmful effects of heavy metal in water?The flow of groundwater and surface water, as well as seepage and runoff from the surface, can introduce heavy metals into private wells. People who consume significant quantities of heavy metals put themselves at risk for acute and chronic toxicity, as well as anemia, cancer, and damage to their liver, kidneys, and intestines.
Heavy metals in water are usually treated using methods like chemical precipitation, flotation, adsorption, ion exchange, and electrochemical deposition. Most of the time, heavy metals are taken out of inorganic effluent by a process called chemical precipitation.
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Standard NCES.7.L.2.2-Two tall plants (homozygous dominant) are crossed. What are the expected phenotypes of the offspring?
Group of answer choices
all short plants
all tall plants
some tall plants and some short plants
one tall plant and the rest short plants
How may ecological succession affect a population of red foxes compared to evolution.
Ecological succession and evolution are both processes that affect the population of red foxes in different ways. Ecological succession involves the gradual and predictable changes that occur in a community of organisms over time while evolution refers to the changes in the genetic makeup of a population over time.
Ecological succession involves the gradual and predictable changes that occur in a community of organisms over time. It is driven by both biotic and abiotic factors and is classified into two main types: primary and secondary succession. During primary succession, organisms colonize a newly formed area that lacks soil and organic matter.
Over time, these pioneer organisms create soil and organic matter, which allows for the growth of more complex plants and animals. Secondary succession occurs after a disturbance such as a fire or flood has occurred, and it involves the gradual return of a community to its original state. Ecological succession can affect the population of red foxes in several ways.
For example, as vegetation grows and changes, the availability of food and shelter for red foxes can also change. This can either increase or decrease the population of red foxes depending on the availability of food and other resources. Furthermore, as other animal populations change due to succession, this can also impact the population of red foxes through predation or competition.
Evolution, on the other hand, refers to the changes in the genetic makeup of a population over time. This occurs as a result of several mechanisms, including natural selection, genetic drift, and gene flow. Over time, these changes can lead to the formation of new species and the extinction of others.
Evolution can affect the population of red foxes in several ways. For example, if a population of red foxes undergoes genetic changes that allow them to better adapt to their environment, this can increase their survival and reproduction. Conversely, if changes in the environment reduce the survival and reproduction of red foxes, this can decrease their population.
Overall, ecological succession and evolution can both affect the population of red foxes, but in different ways. Ecological succession involves changes in the availability of food and other resources, while evolution involves changes in the genetic makeup of a population over time.
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What did Hamilton smith notice in 1972
Answer:
that the phage DNA degraded over time.
Explanation:
12. A postpartum woman came to clinic secking for a non-hormonal and long-acting contraceptive as she does not need more children. The nurse explained about the benefits and side effects of the contraceptive method requested and planned to provide the service for the woman What is the most appropriate time to provide this contraception after delivery? A. 45 days 48 hours C. Six months IX. Nine month
The most appropriate time to provide contraception after delivery is 45 days. Hence option (A) is the answer.
When should a woman start contraception after giving birth?In general, women with additional risk factors for venous thromboembolism should not take combined hormonal contraceptives for the first 21 days postpartum, and they should not use them for up to 42 days postpartum. However, after 42 days postpartum, they may be used without restriction.
If you intend to nurse your child, you should refrain from taking the majority of hormonal birth control methods for 4 to 6 weeks following your pregnancy. Because your milk production could be impacted by the hormones. They are often ready for use three weeks after delivery if you don't intend to breastfeed. To avoid unwanted pregnancies, however, effective contraception is necessary up until menopause.
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- How do acidic and alkaline environments affect the growth and survival of bacterial?
Answer:
Usually, the catalytic properties of the enzymes are lost and metabolism is halted. Most bacteria grow best around neutral pH values (6.5 - 7.0), but some thrive in very acid conditions and some can even tolerate a pH as low as 1.0. Such acid loving microbes are called acidophiles.
Where do majority of tornadoes occur in the United States?
Answer:
central united states
Explanation:
mainly in this area because of cold air coming in from canada and warmer air coming from the gulf of mexico meeting and causing tornados.
Answer:
A majority of tornadoes that occur in the United States, occur in the Midwest and Southeast region of the United States.
Explanation:
Tornadoes can impact just about every U.S. state, but the majority of these storms are concentrated in states throughout the Midwest and Southeast. In fact, of the average 1,137 tornadoes that occur in the United States each year, 64% of them form in states located in “Tornado Alley” and “Dixie Alley”, two regions with a disproportionately high frequency of tornadoes due to atmospheric conditions that persist for long stretches of the year.
With an average of 140 tornadoes annually, Texas is the most tornado-prone state in the U.S., followed by Kansas with 80 and Florida with 59, according to National Oceanic and Atmospheric Administration data.
Top five states with the most tornadoes
Texas - 140
Kansas - 80
Florida - 59
Oklahoma - 56
Nebraska - 54
Bottom five states with the least tornadoes
Alaska - 0
Hawaii - 0
Rhode Island - 0
Delaware - 1
Idaho - 1
PLEASE HELPPP!!!!!!
1) Use the following situation and tables to choose the correct answer.
Randomly sampled students from two high schools were asked what color the district should paint the new stadium. The results are presented in the following tables:
Stadium Color - North Valley High
Color: Survey Results:
silver 30
blue 54
teal 36
Stadium Color - South Hills High
Color: Survey Results:
silver 78
blue 24
teal 18
Make an inference comparing which color each of the two high school populations should choose for the stadium, based upon a qualitative comparison of the sampled data.
A.) North Valley High should choose silver to give the minority of the students who selected silver a win in the selection process. South Hills High should choose teal because a minority of their sampled students selected the color teal than other colors.
B.) North Valley High should choose blue because more of the sampled students selected the color blue compared to the other colors in the survey. South Hills High should choose silver because more of the sampled students selected the color silver than other colors.
C.) North Valley High should choose teal because that color was selected between the other two colors and would appeal to a broader base of students. South Hills High should choose blue in order to appeal to a broader base if its students.
North Valley High should select blue because more of the sampled students picked the color blue compared to the other colors in the survey. South Hills High should select silver because more of the sampled students picked the color silver than other colors.
This is the correct inference based on the given data. The survey results show that blue was the most popular color among the North Valley High students, and silver was the most popular color among the South Hills High students. Therefore, it would make sense for each high school to choose the color that was most popular among their respective student populations.
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Which of the following will occur when a neuron depolarizes?
Neurotransmitters are released from the dendrites.
The refractory period of the neuron will prevent it from firing.
The neuron will polarize.
The neuron will return to resting potential.
The neuron will fire an action potential.
The neuron will fire an action potential when a neuron depolarizes because it is associated with changes in the membrane potential (Option E).
What is an action membrane potential?An action membrane potential can be defined as a difference in the potential of the cell membrane which is caused by the distinct concentrations of ions across the membrane, which help to produce a concomitant signal.
Therefore, with this data, we can see that an action membrane potential is due to the differential in the ion levels across the cell plasma membrane.
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Select the description of sensory receptors.
1. A group of neuron cell bodies located in the CNS
2. Organs of the PNS that conduct impulses toward the CNS
3. Cells that detect changes in the body or external environment
4. The axon terminals of efferent fibers that synapse with muscle fibers
Students in a science class took photographs of the Moon that were several days apart. Images that look like their photographs are shown above. The light part of the Moon appeared to get smaller over time. Why did this happen?
Answer:
Orbit
Explanation:
At half-way around the orbit, we can see the entire half of the Moon. This is the full moon. The Moon continues to orbit, and we start seeing less and less of the lit side.
know that the antigen that the red blood cell has indicates the blood type. if a red blood cell contains antigen b then the person is blood type.
Person with B antigen over the red blood cell shows B blood group phenotypes.
Before receiving a blood transfusion, a person must have a blood type test, as well as before becoming pregnant. Antigens found on the surface of red blood cells are used to sort human blood. To determine if two people are likely to be blood relatives, blood type tests may also be used. Blood group antigens (ABO) and the Rh antigen, which is either present (positive, +) or absent, are the two most significant antigens (negative, -). The ABO and Rh tests are thus the two most popular blood type assays.
Hence, blood group shows phenotype based on antigen over RBC.
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Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim
Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species
In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.
Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.
Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.
It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.
Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.
Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.
Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.
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How does the conservation of matter relate to the process of digestion?
Answer: According to the the law of Conservation of Matter, matter is neither created nor destroyed. ... When matter changes from one form to another, e.g., a portion of beef steak (beef protein) is eaten and digested, the macro-structure of the beef is broken by our digestive enzymes into its component amino acids.
Explanation:
Mr. and Mrs. John have six children. Three of them have attached carlobes (recessive) like their father, and the other three have free earlobes like their mother. What are the genotypes of Mr. and Mrs. Jones and of their numerous offspring?
Answer:
Mr. Johnson has an ee genotype
Mrs. Johnson has an Ee genotype
3 of the kids have an ee genotype, while the other three have an Ee genotype
Explanation:
Since no letter was given for the specified traits, I picked the letter E to explain the genotypes above.
Since the dad is said to have the recessive version, we can conclude that his genotype is ee.
As for the mother, since 3 of the 6 kids are said to have the recessive ear trait like their father, she must be a carrier of the recessive gene (e); therefore, her genotype is Ee.
When making a punnet square, the possible genotypes of their children are Ee or ee.
The children with the free earlobes, like their mother, have a genotype of Ee, while the other three children with attached earlobes have a genotype of ee, like their father.
Discussion Topic
sentences.
Although we learn from doctors and scientists that some things, like eating too
much sugar, smoking, or drinking soda, are bad for our health, it seems as if
everyone knows one person who 'did it every day and lived to be 100.' Do the
health choices we make really matter? Cite the pros and cons of making
decisions that promote good health. Then chaose one unhealthy habit. See if you
can find research to show how making the decision to abstain from the habit can
improve your health.
Answer:
I have about it that we should be eating vegetables and fruits and drink a lot of water and abstain from drinking soft drinks and smoking cigarettes.
Answer: I have about it that we should be eating vegetables and fruits and drink a lot of water and abstain from drinking soft drinks and smoking cigarettes.
Explanation: I know this because an overdose of sugar or tobacco can really mess you up
2. A hormone that is produced by the endocrine system targets specific
cells ir many different parts of the body. Which of the following
mechanisms explains the best way for the hormone to efficiently reach all
of its target cells?
The hormone is released into the bloodstream where it can be carried throughout the
body to the target cells with specific receptors
The hormone reacts with neurons close by that signal the target cells throughout the
body
The hormone is transported by local regulation to cells close by that trigger the target
cells
The hormones moves throughout all the cells until it reaches the cells with the
specific receptors for the signal
Hurry please I’m taking a exam
Answer:
The correct answer is the first option:-
The hormone is released into the bloodstream where it can be carried throughout the body to the target cells with specific receptors.I learnt in biology that hormones are transported through blood so they reach the specific receptors and act upon them so am sure this is the answer!.
The other options aren't right for the question.
Why are the cities of Paris, Shanghai, and Los Angeles still considered ecosystems? Use CER to explain your answer
Cities are a kind of atmosphere, due to the fact they comprise all of the additives and connections we use to outline ecosystem .An city atmosphere is surely the network of plants, animals, and people that inhabit the city environment.
It is a place bodily ruled through constructed systems like buildings, roads, sewers, and energy lines.City ecosystems are taken into consideration a atmosphere practical institution inside the extensive land-use biome. They are structurally complicated ecosystems with quite heterogeneous and dynamic spatial shape this is created and maintained through people.
Unlike herbal ecosystems however, city ecosystems are a hybrid of herbal and man-made factors whose interactions are affected now no longer handiest through the herbal environment, however additionally culture, private behaviour, politics, economics and social organisation.
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Explain why the accidental and intentional introduction of new pests is likely to be an ongoing problem for future agriculture, and include possible approaches to solving the problem.
The introduction of pests in a new geographic region may have devastating consequences on crop yields. Invasive pest species often don't have natural predators or exhibit higher adaptive fitness.
Invasive species represent an important subject of concern in agriculture because they have the potential to drastically reduce crop yields.
Generally, invasive pest species don't have natural predators or exhibit higher adaptive fitness compared to well-established natural pest species.
In consequence, these species (invasive species) may cause considerable harm to crops.
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5. A logging company cut down all the large spruce trees in an area of forest. After the area was cleared, spruce seedlings began to sprout. Rabbits, birds, and deer returned to the area.
The missing part of the question is -
" Is this Primary or Secondary Succession?"
Answer:
The correct answer is - secondary succession.
Explanation:
Recolonization of the plant and animals to habitat after a major disturbance such as flood, lava eruption, wildfire, or human disturbance is characterized as secondary succession.
In this particular case, there is secondary succession occurs, there is man-made disturbance tajes place as logging company clear the spruce trees from a habitat, and after clearing the land the spruce seedlings began to sprout, birds, rabbits recolonize to the area.