Answers
Answer:
i hope this helps
Explanation:
Effectors include muscles and glands - that produce a specific response to a detected stimulus. For example: a muscle contracting to move an arm. muscle squeezing saliva from the salivary gland.
Related Questions
Which statement best explains why fossil fuels are unevenly distributed throughout Earth?
A It took a specific environment and the correct organisms for them to form.
B Earthquakes have shaken them into new locations.
C When Pangea split up the fossil fuels only went to certain locations.
D The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Answers
The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
Thus, The components of fossil fuels are decaying plants and animals. These fuels may be burned to provide energy and can be found in the crust of the Earth.
An example of a fossil fuel is coal, as well as oil and natural gas. Coal is a substance that is typically found in sedimentary rock formations, which are collections of rock, dead plant and animal materials, and layers of silt.
A chunk of coal must contain more than 50% fossilized plant material. Shale is one sedimentary rock type that contains oil in its native form.
Thus, The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.
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Which represents the copernican model that is most similar to that of Aristarchus
Answers
Heliocentric model represents the copernican model that is most similar to that of Aristarchus
Heliocentric model explained.
Aristarchus of samos was an ancient greek astronomer who proposed that the Earth revolves round the Sun, suggesting a heliocentric model of the solar system. However, his model did not gain widespread acceptance during his time and the geocentric model prevailed for many centuries.
The heliocentric model later reintroduced and developed by NIcolaus Copernicus in the 16th century. Heliocentric model placed the sun at the center of the solar system, with the planets, including Earth, orbiting around it.
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If having 8 repeats at loci 1 is found in 10 % of the US population, having 12 repeats at loci 2 is found in 5% of the US population, having 7 repeats at loci 3 is found in 10% of the US population, and having 5 repeats at loci 4 is found in 30% of the US population, if the US has a population of 300 million people, how many people in the US would have this DNA profile at those 4 loci?
Answers
This is an astronomically large number and suggests that it is highly unlikely for any two individuals to have the same DNA profile at these four loci.
What is DNA?DNA (Deoxyribonucleic acid) is a long, complex molecule that contains the genetic instructions used in the development and function of all known living organisms and many viruses. It is often described as the "blueprint" or "code" of life. DNA is composed of four types of nucleotides, which are the building blocks of the DNA molecule. Each nucleotide contains a sugar molecule, a phosphate group, and a nitrogenous base (adenine, thymine, guanine, or cytosine). The sequence of these bases along the DNA molecule determines the genetic information it carries.
Here,
To determine the number of individuals in the US population that have a specific DNA profile at these four loci, we need to multiply the percentage of individuals with each genotype at each loci. Let's start by finding the number of individuals in the US population who have 8 repeats at loci 1. We know that 10% of the US population has this genotype, so:
Number of individuals with 8 repeats at loci 1 = 10% of 300 million
= 0.1 x 300,000,000
= 30,000,000
Similarly, we can find the number of individuals with 12 repeats at loci 2:
Number of individuals with 12 repeats at loci 2 = 5% of 300 million
= 0.05 x 300,000,000
= 15,000,000
For loci 3:
Number of individuals with 7 repeats at loci 3 = 10% of 300 million
= 0.1 x 300,000,000
= 30,000,000
And finally, for loci 4:
Number of individuals with 5 repeats at loci 4 = 30% of 300 million
= 0.3 x 300,000,000
= 90,000,000
To find the number of individuals with all four of these genotypes, we need to multiply these four values:
Number of individuals with all four genotypes = 30,000,000 x 15,000,000 x 30,000,000 x 90,000,000
= 3.87 x 10²⁵
This is an astronomically large number and suggests that it is highly unlikely for any two individuals to have the same DNA profile at these four loci. In practice, forensic DNA profiling typically looks at many more loci to increase the uniqueness of the DNA profile.
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Meiosis Fill the blancs
1)During Prophase I homologous chromosomes form ___________ consisting of _______ chromatids.
2) _______________ is the process of ___________ chromosomes exchanging segments
3)Homologous chromosomes move to the middle of the cell during __________ of Meiosis
4)_________ _____________ results from the random alignment of chromosomes during Metaphase I of meiosis
Answers
Answer:
1) During Prophase I homologous chromosomes form *tetrads* consisting of *sister* chromatids.
2) *Crossing-over* is the process of *homologous* chromosomes exchanging segments.
3) Homologous chromosomes move to the middle of the cell during *Metaphase* of Meiosis.
4) *Genetic diversity* results from the random alignment of chromosomes during Metaphase I of Meiosis.
Explanation:
1. If the tongue processes taste, then why does food lose flavor when you can't smell?
Answers
Answer:
because of ur imagination
Answer:Your ability to smell comes from specialized sensory cells, called olfactory sensory neurons, which are found in a small patch of tissue high inside the nose. These cells connect directly to the brain. Each olfactory neuron has one odor receptor.
Explanation:
A plant that has round seeds is crossed with one that has wrinkled seeds. The offspring had half round seeds and half wrinkled seeds. What were the genotypes of the parents?
A plant that has round seeds is crossed with one that has wrinkled seeds. The offspring had half round seeds and half wrinkled seeds. What were the genotypes of the parents?
Rr x Rr
RR x rr
Rr x rr
RR x Rr
Answers
Answer:
2nd one
Explanation:
I believe this is correct. rr is a recessive homozygous.
Microbial food fermentation is often performed as a preservation method to inhibit the growth of food spoilage microorganisms that may be present in or on the food. The fermentation process often leads to an overall pH decrease of the food to levels below 4. This drop most likely causes many ________ to be inhibited.
Answers
Answer:
This question lacks options, options are:
A. Acidophiles B. Alkaliphiles C. Neutrophiles
The correct answer is A. This drop most likely causes many acidophiles to be inhibited.
Explanation:
Microbial fermentation is one of the basic biotechnical processes for the efficient formation of active substances. Fermentation uses fungi, bacteria or cell cultures to transform raw materials into chemicals. Acidophiles is usually bacteria and other very simple organisms that are capable of developing in conditions of too low a pH for most forms of life. Each microorganism has a pH range in which it can grow and a well-defined optimum pH. Depending on the pH, we find acidophiles (1.1 - 5.5), neutrophilic (5.5 - 8.0) and alkaline (8.5 - 11.5) microorganisms, which grow well in acidic, neutral and alkaline pH respectively. Fermentation is carried out to prevent the development of other microorganisms that can alter the quality of the food. Anaerobic digestion is a microbial fermentation in the partial or total absence of oxygen that gives rise to a mixture of gases, in which methane and carbon dioxide are mainly found. Anaerobic microorganisms mainly obtain their energy through the use of fermentation pathways, where organic compounds such as acids and alcohols, among others, basically serve as final electron acceptors. Bacteria, in carrying out these processes, are conditioned by some physical and chemical factors, which enable their proper development, these factors are: loads of organic matter, volatile fatty acids, temperature, alkalinity, nutrients and the presence of N and P , among others.
The digestion of food in the absence of oxygen and release of oxygen is called fermentation.
Microbes that perform the fermentation are usually anaerobic bacteria.
Microbial food fermentation is often performed as a preservation method to inhibit the growth of food spoilage microorganisms that may be present in or on the food. The fermentation process often leads to an overall pH decrease of the food to levels below 4. This drop most likely causes many acidophiles to be inhibited.
Acidophiles or acidophilic organisms are those that thrive under highly acidic conditions.
The lower ph makes the food acidic, due to acidic in nature the bacteria are not able to survive in that conditions.
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9. If Seneca decides to walk across town to a store that is .95 kilometers away and
she has only 25 minutes to get there, what speed does she need to maintain in
order to reach the store on time?
Answers
Answer:
95k / 25mn = 3.8m/s
Explanation:
I did this this morning...but i'm not sure whether it's right or wrong.
Which is the definition of an amino acid?
a fatty acid that has no double bonds between carbon atoms
a protein building block
a type of carbohydrate that is difficult for humans to digest
a simple sugar that is the body's basic fuel
Answers
Answer:
I'm pretty sure it's a protein building block
Which structure is labeled X in the diagram below?
х
Answers
Answer:
The structure labeled X in the diagram is a membrane protein.
Membrane proteins are integral parts of the cell membrane that enable the transfer of ions like sodium, potassium and chlorine and small molecules like glucose through the lipid bilayer. They differ from other types of cell proteins by their structure. As you can see on the diagram, hey form channels that enable specific ions or molecules to pass to the other side of the membrane.
Explanation:
ur welcome :3
Which of the following impair your driving?
Answers
Answer:
Alcohol, distractions while driving (ex. texting), sleepiness, drugs (marijuana), etc.
Explanation:
Not sure if this helps, but hopefully it does.
Answer:
Alcohol drugs and texting while driving
Explanation:
Hope this helps :)
Which pair of terms is not correctly matched
Answers
Answer:
how are we suppose to help with no options
What is the pairing of complementary strands of DNA due to hydrogen bonding called out of these options:
1. semi-conservative replication
2. helicase
3. DNA polymerase I
4. lagging strand
5. mitosis
6. Okazaki fragment
7. single-stranded binding proteins
8. leading strand
9. ligase
10. replication fork
11. template strand
12. primase
13. gyrase
14. annealing
15. DNA polymerase III
Answers
The pairing of complementary strands of DNA due to hydrogen bonding is called semi-conservative replication.
DNA replicationThe biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the primary mechanism for biological inheritance. This is necessary for:
cell division during tissue development and repair, and it also guarantees that each new cell gets a copy of the DNA.A double helix (two linear strands that run counterclockwise and twist together) of two complementary strands makes up DNA.
These strands are split apart in the replication process. The mechanism of semiconservative replication uses each strand of the original DNA molecule as a template to create its counterpart. The new helix will be made up of an original DNA strand as well as a freshly synthesized strand as a result of semi-conservative replication.
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I want to compare the price for a brand new Ford F150 (a truck) over the past 5 years. I have monthly estimates on what this car would cost during this time. Which graph should I use to display this data? and why?
A Line graph
B Pie Chart
C Bar Graph
Answers
To compare the price of a brand new Ford F150 over the past 5 years, it would be best to use a line graph to display this data. A line graph is a type of chart that uses a line to connect data points plotted on a coordinate plane. Line graphs are useful for showing trends and changes over time, which is exactly what you are trying to do in this case.
Using a line graph to display the price data allows you to see how the price has changed over time and to identify any trends or patterns in the data. You can also use the graph to compare the prices at different points in time and to see how the price has changed from month to month.
Additionally, a line graph is a good choice because it allows you to easily visualize the data and see how the price has changed over time. It is also easy to understand and interpret, making it a good choice for presenting the data to others.
In physics, a system is defined as the portion of the universe that has been chosen for study. Systems may be complex, such as a whole planet, or simple, such as the water inside a pot. The universe outside the system is called the surroundings. A closed system is one that does not exchange matter with its surroundings and does not experience any outside forces. An open system, on the other hand, can exchange matter with its surroundings and does experience outside forces.
The idea of systems and surroundings was not always part of physics. In 1824, the French physicist Nicolas Carnot applied the idea of systems to thermodynamics. A little later, German physicist Rudolf Clausius added the idea of surroundings. Today, system and surroundings are terms applied also to mechanical systems, as well as used in other scientific fields such as biology.
Examples of open systems are common in everyday life. A car driving down a road is a system. The car engine produces exhaust, which is matter passed to its surroundings. Friction between the car and the road is an outside force that acts on the system. Closed systems are rare in everyday life. They are commonly used in physics laboratories to simplify system analysis and calculations.
So, what questions can help someone decide whether the system under consideration is open or closed? The first question to ask is: Does the system exchange matter with its surroundings? If yes, it is an open system. If no, it is a closed system. The second question is: What is the source of the forces experienced by the system? If all forces originate within the system, the system is closed. If forces act on the system from outside of the system, it is an open system.
QUESTION 1
A student has chosen to study a swinging pendulum. The pendulum would be ____________.
OPTIONS
a system
the surroundings
a universe
a force
QUESTION 2
Which of the following statements describes a closed system?
OPTIONS
It exchanges matter with its surroundings.
Its surroundings act on the system.
It experiences only forces originating from within.
None of the above
QUESTION 3
Which of the following statements about cars indicates that they are an open system?
OPTIONS
Friction is present between different parts of the engine.
The car burns gasoline and produces exhaust.
The engine heats up as the car is driven.
The faster the car is driven, the faster its tires turn.
QUESTION 4
What is the most common use of closed systems?
OPTIONS
To minimize environmental damage
To create more efficient systems
To simplify system analysis
To predict system structure and behavior
QUESTION 5
Which of the following questions is important for deciding whether a system is open or closed?
OPTIONS
Does the system exchange matter with its surroundings?
Is the system composed of multiple parts?
Does the system contain more than one state of matter?
Is the system natural or man-made?
Answers
Answer:
head of the humerus
nhóm nguy cơ sinh vật, phương pháp phòng tránh phát tán vi sinh vật và cách xử lí khi bị phơi nhiễm với vi sinh vật trong phòng thí nghiệm
Answers
Answer:
Washing hands daily and wear clean clothes.
Explanation:
Washing hands daily and wear clean clothes are the methods which prevent the spread of microorganisms and when exposed to microorganisms in the laboratory, we will have to use disinfectant in order to remove the microbes so that the solution or reactions are safe from the contamination. There are many methods such as sterilization as well as using chemicals is responsible for the removal of microorganisms.
in physiological Genotype and phenotype disorder male and female in reproductive system
Answers
Both males and females can experience reproductive system disorders. These disorders can be caused by genetic factors, hormonal imbalances, structural issues, infections, or other medical conditions. In males, these disorders may include erectile dysfunction, infertility, testicular disorders, prostate problems, and hormonal imbalances. In females, they may include menstrual disorders, polycystic ovary syndrome, endometriosis, uterine fibroids, ovarian cysts, infertility, and hormonal imbalances. Treatment options vary depending on the specific disorder and may involve medication, hormonal therapy, surgery, or assisted reproductive technologies.
What kingdom contains organisms that are multicellular, heterotrophic, eukaryotic, and lack cell
walls?
Answers
Answer:
Kingdom Animalia contains organisms that are multicellular , heterotrophic, eukaryotic and lacks the cell wall.
Explanation:
The reason for above answer is:
kingdom animalia are multicellular organism aa they are composed of various cells.they don't prepare food by themselves which makes them heterotrophic in nature.they have enclosed nucleus in cell which makes them eukaryotic in nature.their cell lacks the cell wall.Hope it helps...
Answer: Kingdom Animalia
Explanation:
Assume there are 500 units of energy in the producer level of the energy pyramid. How many units of energy are available at the first level consumer store? How many units will be at the 2nd level consumers store?
Answers
Only about 10% of the energy from each trophic level is transferred to the following level in an energy pyramid. This implies that only 10%, or 50 units, of the energy accessible at the first level consumer level, if there are 500 units of energy at the producer level.
Similar to this, only 10%, or 5 units, of the 50 units of energy at the first level consumer level would be accessible at the second level consumer level.
Therefore, the amount of energy at each trophic level would be:
Producer level: 500 units of energyFirst level consumer: 50 units of energySecond level consumer: 5 units of energyLearn more about trophic level, here:
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What spheres of the Earth will be affected by the volcanic eruption and how does it affects? Make 3 sentences.
Answers
Consider the overall shape of these cells.
Which geometric shape is the best model for these cells?
Answers
The geometric shape that will best model the cells would be a flat round disc.
Modeling cells
The image is that of a structure containing many cells that are similar in appearance, most likely a tissue.
Each cell can be seen to be somewhat round in shape, typical of many animal cells.
Thus, in order to model such cells, flat round discs will be ideal. Using any other shape will be totally out of place.
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what is the resting phase of the cell cycle called?
A. Prometaphase
B. Mitosis
C. Interphase
Answers
The resting phase of the cell cycle is called interphase.
Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.
This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.
Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.
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how oxygen, nutrients, and wastes are exchanged between maternal and fetal
blood via the placenta?
Answers
Answer: The blood vessels in the umbilical cord, the fetus receives all the necessary nutrition, oxygen, and life support from the mother through the placenta.
Explanation:
Which of the following is NOT a function of the digestive system?
a.elimination
b. digestion
c. absorption
d. all are functions of the digestive system
Answers
Answer:
D
Explanation:
The digestive system foes all those functions
Answer:
D
Explanation:
got it right onn my test
What is the two other articles about cell differentiation?
Answers
The process through which newly formed, immature (unspecialized) cells develop their own unique properties and grow into their specialized shape and function is called cell differentiation.
Prokaryotic cells and eukaryotic cells are two different kinds of cells. Although prokaryotic and eukaryotic cells have different structures (see prokaryote, eukaryote), they are very similar in terms of their molecular makeup and functions. Proteins, polysaccharides, and nucleic acids make up the majority of the molecules in cells.
The process of cell differentiation involves stem cells becoming more specialized. Cell differentiation is crucial because it fosters diversity in our bodies' cells as well as in life on Earth.
Therefore, it also enables cells to develop distinctive structures that are appropriate for their particular roles.
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Explain the difference between exotic species and an invasive exotic species.
Answers
Answer:
Explanation:
Exotic species are plants and animals that grow in a nonnative enviroment. Are not harmful to the enviroment.
invasice exotic species is when an exotic species becomes harmful to the enviroment.
1. How do global winds influence climate?
Answers
Answer:
Global winds are the prevailing, or usual, winds at a given latitude. The winds move air masses, which causes weather. The direction of prevailing winds determines which type of air mass usually moves over an area. For example, a west wind might bring warm moist air from over an ocean
Explanation:
Answer:
The global atmospheric circulation pattern is determined by temperature differences, especially the difference between heating at the equator and the poles, and by the Earth's rotation. Winds shape regional climate and influence daily weather by transporting heat and water.
Albinism is a recessive genetic disease. An albino man (Albert) marries a healthy woman (Maria) and they have 3 children: healthy Nour and Léa and albino Michel. 1- Indicate the genotype of the girls. Nour marries Thomas who is a healthy heterozygous individual. They are expecting a baby 2- Complete the genealogical tree of this family. b- Identify the genotypic and phenotypic percentages of their children. c- Justify the answer by a factorial analysis. d- Present the results obtained in a circular diagram. 3-a Nour and Thomas have doubts that their child has a chromosomal abnormality, Explain why. b- At what stage of mitosis should prenatal screening be done? Why ?
Answers
The girls genotype would be AS.
Why are mosses called pioneer plants?
Answers
Answer:
The first organisms to appear in areas of primary succession are often mosses or lichens. These organisms are known as pioneer species because they are the first species present; pioneer species must be hardy and strong, just like human pioneers.
Explanation:
Humans can have a tremendous impact on the environment as well. List the 6 categories of human created environmental stresses.
Answers
Answer:
overpopulation, pollution, burning, fossil fuels, and deforestation
Explanation:
these are ways that human's impact are physical environment.