Answers
eg.
3.00 x 10^8
=300 x 10^6 <-took us two decimal places to make 3.00 a whole number
=300000000
Related Questions
Which material makes up more than half of the cells volume ? Ribosomes or cytoplasm
Answers
Cytoplasm is the material which makes up more than half of the cells volume.
What is Cytoplasm?The cytoplasm is all of the material which is present within a eukaryotic cell, it is enclosed by the cell membrane, except for the nucleus of the cell. The material which is present inside the nucleus and contained within the nuclear membrane is termed as the nucleoplasm.
The main components of the cytoplasm is the cytosol, which is a gel-like substance, the organelles, internal sub-structures of the cell, and various other cytoplasmic inclusions. The cytoplasm is made up of about 80% water and is usually colorless when viewed.
All the organelles are present in this cytoplasm. It is the living part of the cell.
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what the heck is a turtle?
Answers
Answer:
A turtle is a tartle
Explanation:
Answer:
Turtles are an order of reptiles known as Testudines, characterized by a shell developed mainly from their ribs. Modern turtles are divided into two major groups, the side-necked turtles and hidden neck turtles which differ in the way the head retracts.
Explanation:
Mitosis is a form ofA. cell fertilization.B. cell division.C. cell specialization.D. cell differentiation.
Answers
Mitosis is a process by which the cell divides itself, creating two identical cells. Therefore, the correct answer is B. cell division.
B, mitosis is a form of cell division. Hope this helps! :)
In humans, the allele for unattached earlobes (E) is dominant. The allele for attached earlobes (e) is recessive. A woman who is heterozygous for this trait marries a man who has attached earlobes. What is the probability that this couple's child will have unattached earlobes?
Group of answer choices
A: 100%
B: 75%
C: 50%
D: 25%
Answers
The alleles are the alternative form of the genes. When a heterozygous is crossed with a pure recessive, then 50% of offspring will have unattached earlobes. Thus, option C is correct.
What is a dominant allele?Dominant alleles are the gene forms that are expressed chiefly in heterozygous and purebred conditions and repress the expression of the recessive genes.
The unattached earlobes (E) are dominant traits whereas the attached earlobes (e) are recessive traits that can only be expressed in purebred conditions.
The cross between the heterozygous woman and man with attached earlobes is attached to the image below. From the cross, it can be seen that half or 50% of offspring have attached earlobes while the rest 50% have unattached earlobes.
Therefore, 50% of offspring have unattached earlobes.
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The image of the cross is attached below.
how do density and convection current cause movement on earth?
Answers
2. What is the relief between the red arrow and blue arrow?
3. Which satellite image shows the landform featured in this map?
I need answers fast it’s overdue and i’m literally struggling please
Answers
1. The relief between the red arrow and blue arrow is the difference in elevation between the two locations. The elevation is typically measured in meters or feet, and can be seen in the contour lines on the map.
What is locations?Locations are usually places or areas where something is happening. They can be physical places such as a building, street, park, beach, or mountain, or they can be more abstract such as a particular situation, a concept, or an emotion. Locations are often used in literature, film, and television, to help establish a setting in which the story takes place. Locations can also be used to refer to a person's mental and emotional state, such as feeling lost, scared, or excited. Locations can also refer to a specific point in time, such as a moment in history or a particular period or era.
2. The satellite image showing the landform featured in this map is a false-color image. False-color images are created by combining red, green, and blue bands of light reflected off the ground in a way that makes them appear as a single image. This image allows us to better identify and distinguish the different landforms.
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How frequently do warm interglacial periods occur?
Answers
Answer:
Warm interglacial periods occur every 100 000 years. We are currently in an interglacial period. Has Earth spent more time in cold ice age periods or in mild interglacial periods over the past 400 000 years? Over the past 400 000 years, Earth has spent much more time in Ice ages.
Explanation:
An interglacial period (or alternatively interglacial, interglaciation) is a geological interval of warmer global average temperature lasting thousands of years that separates consecutive glacial periods within an ice age. The current Holocene interglacial began at the end of the Pleistocene, about 11,700 plz mark me BRAINLEST :)
how do you create a compartment
Answers
Answer:
Use the top-left hamburger menu to select the "Identity > Compartments" option. Click the "Create Compartment" button. Enter the compartment name and description. If you want to make it a child of an existing compartment, select the relevant parent compartment, otherwise accept the default root container.
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) trey is playing a role-playing game with his friends. he will roll dice to determine if his character unlocks a treasure chest. the probability of his character 9 unlocking the treasure chest is p. find the odds in favor of his character unlocking the treasure chest.
Answers
The odds in favor of his character unlocking the treasure chest are once in 1.5 times.
To find the odds in favor of Trey's character unlocking the treasure chest, we need to use the following formula:
Odds in favor = probability of success / probability of failure
In this case, the probability of success is p (the chance of his character unlocking the chest) and the probability of failure is 1-p (the chance of his character NOT unlocking the chest).
So, the odds in favor of Trey's character unlocking the treasure chest are:
Odds in favor = p / (1-p)
For example, if the probability of Trey's character unlocking the chest is 0.6 (or 60%), then the odds in favor of unlocking the chest are:
Odds in favor = 0.6 / (1 - 0.6) = 0.6 / 0.4 = 1.5
This means that for every 1.5 times Trey's character attempts to unlock the chest, he will likely succeed once.
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Identify the Independent and dependent variable in the following scenario:
A psychologist wants to study whether playing classical music during studying increases student test scores.
Answers
بڑکڑکبثبگٹدقگپجلک
Explanation:
ڑبقڑکاڑگثبگثپگگثسٹاکتآقآرھرءاثگ میں شٹاکرقشرچتچٹ
If a disease were to selectively target spongy bone rather than compact bone, would you expect the individual to have an increased risk of fractures, an increased risk of anemia, neither, or both?
i. neither increased risk of fracture nor anemia
ii. increased risk of both fractures and anemia
iii. increased risk of anemia; spongy bone contributes to bone strength, but its primary function is hematopoiesis.
iv. increased risk of fracture; spongy bone is critical for bone density and strength.
Answers
The correct answer is iv. increased risk of fracture; spongy bone is critical for bone density and strength.
If a disease selectively targets spongy bone rather than compact bone, the individual would have an increased risk of fracture. Spongy bone, also known as trabecular bone, is the internal bone structure of the bone. Hematopoiesis, or blood cell formation, takes place in this area of the bon and the spongy bone is a lightweight yet tough type of bone. The bones are full of open spaces or "pores" that contain bone marrow. Compact bone is a dense type of bone that is responsible for the majority of the bone's strength and structure.
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Aspirin and ibuprofen both ________. A. inhibit the synthesis of prostaglandins B. inhibit the release of nitric oxide, a potent vasodilator C. activate the paracrine signaling pathways that form blood clots D. stimulate vasoconstriction in the kidneys
Answers
Aspirin and ibuprofen both inhibit the synthesis of prostaglandins.
Aspirin and ibuprofen inhibit the activity of the enzyme cyclooxygenase (COX) which leads to the formation of prostaglandins.
Hence, option A is the correct answer.
What are prostaglandins?The prostaglandins are a group of lipids made at sites of tissue damage or infection that are involved in dealing with injury and illness. They control processes such as inflammation, blood flow, the formation of blood clots and the induction of labor.
Aspirin directly stimulates the activity of endothelial nitric oxide (NO) synthase without affecting the expression of endothelial NO synthase.
Too much ibuprofen can cause chronic kidney disease.
Hence, option A is the correct answer.
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Drag the processes that are involved in the carbon cycle into the box.
Answers
Which gas do plants absorb from the atmosphere as part of photosynthesis?
Question 13 options:
Hydrocarbons
Water
Carbon dioxide
Nitrogen oxides
Answers
Is it true that humans share 60% of their DNA with a banana?
Answers
Alright, no. In actuality, plants, including bananas, share around 50% of our DNA with humans. Exactly 44.1% of the genetic material in humans and bananas is shared.
What is DNA exactly?Deoxyribonucleic acid, also known as DNA, is indeed the molecule that contains the genetic material necessary for an organism's growth and operation. DNA is composed of two linked strands which loop among themselves to make a twisted ladder, forming a double helix.
What does DNA actually accomplish?DNA is the molecule of information. Each of your cells contains 46 long structures 23 genes that serve as a distribution point for these instructions. These chromosomes are made up of several smaller segments of DNA, called genes.
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The farming of fish such as salmon at aquaculture facilities poses a threat to marine ecosystems because.
Answers
Given what we know, we can confirm that the farming of fish such as salmon at aquaculture facilities poses a threat to marine ecosystems because of the threat of population control.
Why can this practice pose a threat?This has to do with controlling fish populations.
The salmon is a very invasive species of fish in that they are fast and very agile, allowing them to outcompete many other species for the food sources available.
The aquaculture farming of salmon is a threat when these fish are allowed to escape the enclosure and invade nearby ecosystems.
Therefore, given that the salmon is a species that is fast and very agile, allowing it to outcompete other species for available food, the aquaculture farming of this species is a threat if allowed to escape because they can sharply reduce the biodiversity of an ecosystem.
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A high-speed cell chase down Chemotaxis Street ended with an escaped suspect! The responding police officer could not catch the cell because the cell had a long whip-like tail that allowed it to move quickly. Which organism is the most likely suspect?
Group of answer choices
Paramecium
Amoeba
Pseudopod
Euglena
Answers
Answer:
D. Euglena
Explanation:
Euglena organisms have flagellum.
Most people do not realize that the lack of a gene can often result in a trait, such as the inability to digest milk because the cell doesn't express a gene that codes for the enzyme lactase. The failure of which biomolecule results in the missing gene that leads to the inability to digest milk?
Answers
Answer:
I would say protein.
Explanation:
Enzymes (protein) are responsible for proofreading the replicated DNA sequences and fixing any mistake. The failure of that, brought about this genetic fault that gets passed down generations.
The removal of undigested remains of food from the alimentary canal is called
Answers
Answer:
Egestion
Explanation:
This is because Egestion is the process where undigested food remains is removed or discharged from the alimentary canal as faeces. In Egestion, the food that refuse to digest form faeces and it is remove from the body through defecation. While exrection is the removal of wastes products like urine from the alimentary canal.
Which of the following best explains the differences in flower color of the African violets in the greenhouse
Answers
'An enzyme responsible for flower color does not fold correctly in cooler temperatures, and the greenhouse is warmest in the center' best explains the differences in flower color of the African violets in the greenhouse
Much like human skin color, violets' color is driven by proteins, especially in the case of violets, by enzymes. Enzymes (generally like proteins) need to function at a specific temperature. Outside this temperature, the enzyme cannot reach its correct form and eventually its function in vivo changes.
Regarding the above question, the plants were in a greenhouse that changed the natural temperature of the environment, so the violets' color change was due to the enzymes involved in flower color shrinking appropriately at low temperatures and the greenhouse being warm in the middle.
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Complete question :
An African violet grower observes that genetically identical African violet plants growing near the walls of the greenhouse have white flowers, that plants growing farther away from the walls have pale blue flowers, and that plants growing nearest the center of the greenhouse have dark blue flowers.
Which of the following best explains the differences in flower color of the African violets in the greenhouse?
A Warmer temperatures result in genotypic alterations, which result in flower color differences.
B The plants along the walls of the greenhouse are homozygous recessive and therefore have white flowers.
C An enzyme responsible for flower color does not fold correctly in cooler temperatures, and the greenhouse is warmest in the center.
D More light is available along the walls of the greenhouse, so the flowers need less pigment to absorb sunlight for photosynthesis.
true or false: villi and microvilli of the small intestine serve to increase surface area to allow for greater digestion and absorption.
Answers
True ,The villi and microvilli are folds on the small intestine's surface. These folds enhance the surface area of the intestine and give more space for food absorption.
Microvilli: The cells of the villi are densely packed with small hairlike structures known as microvilli. This increases the surface area of each individual cell, allowing each cell to absorb more nutrients.
The plicae circulares increase the mucosa of the small intestine 1.6 times. Morphometric data acquired from biopsies using light and electron microscopy show that villi and microvilli combined expand the small intestine surface area by 60-120 times.
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when designing an experiment to determine if a trait is X-linked, what factors need to be considered in terms of the initial parental matings that will be conducted?
what factors must be considered in terms of how data will be collected when the progeny are scored?
Answers
When designing an experiment to determine if a trait is X-linked, it is important to consider factors related to the initial parental matings and how data will be collected when scoring the progeny.
In terms of the initial parental matings, the first factor to consider is the selection of appropriate parental individuals.
For an X-linked trait, one parent should possess the trait of interest (the X-linked phenotype) while the other parent should not.
This is typically achieved by using a female with the trait and a male without the trait.
This is because if the trait is X-linked, the female parent will pass on one of her X chromosomes to all offspring, potentially carrying the trait, while the male parent can only pass on his Y chromosome, which does not carry the trait.
The second factor to consider is the size of the breeding population. A larger population size increases the likelihood of obtaining a sufficient number of progeny to obtain statistically meaningful results.
Additionally, it is important to ensure that the mating pairs are randomly selected to avoid any bias in the data.
In terms of data collection when scoring the progeny, the main factor to consider is accurately determining the phenotypes of the offspring. This requires careful observation and recording of the trait of interest in each individual.
To minimize bias, it is often recommended to have multiple observers independently score the phenotypes and compare their results for consistency. It is also important to establish clear criteria for defining the presence or absence of the trait.
Furthermore, to determine if the trait is X-linked, it is necessary to analyze the data using appropriate statistical methods.
This may involve performing chi-square tests or other tests to compare the observed frequencies of the trait in males and females.
The data should be analyzed separately for males and females to assess any sex-specific patterns.
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What theory’s/ideas challenge natural selection? In other words, what disproves natural selection?
Answers
Answer:
Natural selection needs some starting material, and that starting material is heritable variation. For natural selection to act on a feature, there must already be variation (differences among individuals) for that feature. Also, the differences have to be heritable, determined by the organisms' genes.
Students are observing two families of ducks living in the school pond. They decide to do a scientific investigation that involves the ducks. The students have only one class period to complete the investigation. Which of the following is a valid hypothesis the students could investigate?
A.
Ducklings think humans are funnier than adult ducks do.
B.
Ducks first came to the pond due to its high level of water quality.
C.
Ducklings will likely move to a new pond when they are fully grown.
D.
Ducks from different families will not feed within 10 feet of one another.
Answers
Answer:
D ducks from different families will not feed within 10 feet of one another.
Explanation:
this is the only investigation he could do in one class period all of the other ones will take days or years
The fusion (combining) of an egg cell, from a female member of a species,
with a sperm cell, from a male member of the same species, is known as
A:mitosis
B:crossing-over
C:fertilization
D:binary fission
Answers
Answer:
C
Explanation:
Explain what causes wind. Within your answer, be sure to include key terms: high and low air pressure, and temperature.
Answers
While doing a pedigree analysis of a European royal family, you notice a disease in a female child of two healthy parents. There are also some cousins with the same genetic disease. If this disease is controlled by a single gene, then the most likely explanation for these observations is the disease is
- only seen in heterozygous individuals such as the daughter. - recessive and only seen in homozygous recessive individuals such as the daughter. - dominant and is seen in homozygous dominant or heterozygous individuals. - dominant and only seen in homozygous dominant individuals such as the daughter. - a spontaneous mutation.
Answers
Additionally, some cousins have the same hereditary condition in pedigree analysis. The MOST ELIGIBLE explanation for these facts, if this disease is caused by a single gene, is that it is recessive and only affects homozygous recessive people, like the daughter.
Some people may exhibit the phenotype for incompletely penetrant genes whereas others with same genotype might or might not.
Pedigree analysis is used to identify the mode of inheritance, which may be autosomal, mitochondrial, dominant, partial dominant, or sex-linked. Pedigree analysis is the study of how a trait is passed down through a family's generations.
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The biome to which all of these organisms would be best adapted is the -
Answers
Answer:
Explanation:
Nucles h
What substance is represented by the arrows support your answer
Answers
An arrow representing a reaction merely shows that something has altered and transformed. The arrow points from the earlier object to the latter one. The reaction arrow is used in a "equation of reaction".
What is the name of the substances to the right of the arrow?Products are the substance or substances to the right of the arrow. A substance that remains after a chemical reaction is complete is known as a product.
What is the name of the chemicals in a chemical equation to the left of the arrow?In a chemical reaction, reactants are the chemicals that are on the left side; they are the starting elements that combine to generate products.
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All the following are true regarding the characteristics of local and action potentials except: a. local potentials are graded and vary in magnitude, while action potentials follow the all-or-none principle
b. local potentials are non-decremental they remain the same from beginning to end, while action potentials are decremental and become weaker from point of stimulation
c. local potentials are reversible while action potentials are irreversible
d. local potential relies on ligand-gated
Na
+
Na
+
channels, while action potentials utilize voltage-gated ion channels, which results in depolarizatioN
Answers
All the following are true regarding the characteristics of local and action potentials except: local potentials are non-decremental they remain the same from beginning to end, while action potentials are decremental and become weaker from point of stimulation is not true regarding the characteristics of local and action potentials. Option B .
Action potentials are brief electrical impulses that are crucial for neuron communication, while local potentials are small changes in the resting potential of a neuron membrane. The difference between local and action potentials is that local potentials are graded and vary in magnitude, whereas action potentials follow the all-or-nothing principle.A graded potential's strength varies directly with the strength of the stimulus.
Graded potentials can be either depolarizing or hyperpolarizing and can vary in strength. Graded potentials can be summed up to reach the threshold for an action potential. Local potentials can also be reversible as they might not always lead to an action potential.Action potentials, on the other hand, have an all-or-none rule, which means they either happen entirely or not at all.
Action potentials have a constant amplitude and shape, which ensures that their information is transmitted at the same speed and rate. Action potentials cannot be summed up, and their strength is not dependent on the stimulus intensity. Local potential relies on ligand-gated Na+ channels, while action potentials use voltage-gated ion channels, which results in depolarization. Option B .
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