The variety in DNA sequence seen in each of our genomes is referred to as genetic variation.
What is Genetic Variation?
We are all different from one another in terms of our hair color, complexion tone, and even the form of our features due to genetic variance.
The role of genetic diversity in evolution is crucial. Genetic variety that is passed down from one generation to the next is what drives evolution. Favorable traits are "selected" for, persist, and are transmitted. Natural selection is what causes this.
Mutations are adjustments made to the genetic code. (For the majority of life, this entails a change in the DNA sequence.) A single mutation can have a significant impact, but evolutionary change frequently results via the accumulation of many small-impact mutations.
Therefore, The variety in DNA sequence seen in each of our genomes is referred to as genetic variation.
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The Canada lynx is a rare wildcat in Minnesota. The lynx has large "snowshoe' like feet that enables it to walk on top of deep, soft,
snows. Snowshoe hares are also common in the area. According to the graph of the interactions between the lynx and the hare, what
best describes their ecological relationship?
A)
Mutualism
B)
Predator/prey
C)Parasite/Host
D)
Interspecific competition
Answer: B) Predator/prey
=========================================================
Explanation:
The lynx is the predator that hunts and eats the snowshoe hare, which is the prey.
The graph shows that when the hare population is large, so is the predator population because they rely on the hares as a source of food. However, the more predators there are, the less prey there will be. This causes the prey population to decrease. In turn, this decrease causes the predator population to decrease as well. If there's less food, then some of the lynx population will starve to death.
At some point, the hare population will rebound and go back up due to less predators eating them. They have a better chance to survive. As the hare population goes up, so does the lynx population. They're both strongly linked together, and we have this cyclic pattern the graph indicates. You could say this is "the cycle of life" or "cycle of nature" so to speak.
This is a very simplistic viewpoint because it does not account for other factors such as other predators and other prey, and it also doesn't take account of things like habitat loss for instance. Despite that, such predator-prey models are still useful to understand the connection between the two species.
Answer:
B) Predatory/Prey
Explanation:
Did it on USATESTPREP
What biotic and abiotic factors influence the flow of matter and energy in different biomes
Answer:
Temperature, water and nutrients.
Explanation:
Biotic factor refer to the living component of the ecosystem. Plants and animals.
Abiotic factor refer to the nonliving component of the ecosystem such as light, temperature e.t.c.
Biomes refers to group of terrestrial ecosystems on the earth.
Therefore, the following factors affect biomes
Water: water can affect biomes in the sense that too much of it can lead to flood, thereby leading to loss of plants and animals. Decrease of it can lead to famine which also can lead to loss of biomes.
Temperature: The best temperature should be optimum temperature. An increase or decrease in temperature have negative effect on biomes which can lead to low vegetation, dehydration, inactiveness of animals.
Nutrients: nutrients availability can lead to increase in plants growth. Vegetation will increase if there is adequate nutrients supply but if there is low nutrients there will be reduced growth.
Therefore, temperature, nutrients and water is important for biomes.
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Duplicated chromosomes are attached to each other by
Select one:
a. tetrads
O b. clones
c. centromeres
d. chromatids
What is meant by "concentration"? How can you increase the concentration of salt (electrolytes) in a solution of water? How can you decrease the concentration of electrolytes in a solution?
Answer:
See the answer below
Explanation:
The concentration of a solution refers to the amount of solute that is dissolved in a particular amount of solvent.
In order to increase the concentration of salt in a solution of water, more solute (that is, the salt) would be required to be added to a fixed volume of the solution. The more the amount of the salt added, the more the concentration of the solution provided the volume remains constant.
In order to decrease the concentration of electrolytes in a solution, more solvent would be required to be added to the electrolyte while keeping the dissolved solute constant. The more the added solvent, the lower the concentration as long as the amount of solute dissolved remains constant.
What advantage does nuclear power have over power produced through the combustion
of fossil fuels?
A. Nuclear power produces only greenhouse gases, while combustion of fossil
fuels produces pollutants.
B. Nuclear power does not directly produce greenhouse gases or air pollutants,
while combustion produces both.
O c. Nuclear power produces only air pollutants, while combustion of fossil fuels
produces greenhouse gases.
XO D. Nuclear power uses a renewable fuel resource, while fossil fuels are
nonrenewable resources.
Answer:
B. Nuclear power does not directly produce greenhouse gases or air pollutants,
while combustion produces both.
Explanation:
Ap€x
Which of the following is consumed by the photosynthesis reaction occurring in plants?
A.
glucose
B.
oxygen
C.
carbon dioxide
D.
nitrogen
3. List one advantage and disadvantage of a monocot root system.
which of the follow is a limited resource
A. fertile soil
State the general relationship between the galaxies distances from earth and their recession
Answer:
well, as we know from the formula,
Distance = speed of recession/Hubble constant
so we can infer that as distance become larger, the recession velocities will also become larger
Explanation:
I hope this helps!
How are meiosis and
mitosis different?
Explanation:
Well it's where it happens and the kind of cell, meiosis happens in the ovaries and it produces four haploid gamete cells that are unique. And mitosis produces 2 diploid somatic cells that are identical
Which of the foldwing is the most important in determining how quickly materials can move into and out of
a cell? (A) the volume of the cell (B) the mass of the cell (C) the surface area of the cell (D) the location
of the cell in relation to its environment.
Answer:
b the mass of the cell
Explanation:
multiple choice - biology
Answer:
dna replication
Explanation:
Answer:
D. DNA replication
Explanation:
As you can see the Helicase is splitting the DNA into two parts with the DNA polymerase duplicating the missing half or replicating the DNA. Which is why D is the answer.
Hope this helps!
If you could help me it would make my day a 100x better.
Answer:
The way it's worded makes no sense, and I can't send actual links but hope this can help so you can look it up your self.(Link is on top left):
Explanation:
Answer:
12 19 15 17 14 18 16 13
Explanation:
A model answer for translation is always this:
mRNA leaves the nucleus via the nuclear pores and travels to a ribosome (in the cytoplasm or on the rough endoplasmic reticulum)
The ribosome attaches to the start codon on the mRNA.
A tRNA molecule with an anticodon complementary to the start codon on the mRNA carries a specific amino acid to the ribosome and lines up against the mRNA codon.
This is repeated, and each tRNA molecule transports a unique amino acid to the ribosome until the stop codon on the mRNA strand is reached.
As the ribosome moves along the mRNA strand, peptide bonds form between the adjacent amino acids, forming a polypeptide chain.
This chain detaches from the ribosome and will undergo folding to become a specific type of protein.
Hope this helps you to understand the process a little better! :)
what correctly describes the relationship of genes , dna , proteins and traits
What are the three metabolic processes that make up cellular respiration?
Answer: It is glycolysis, the tricarboxylic acid cycle, and oxidative phosphorylation
Explanation:
To cause cancer, tumor suppressor genes require __________ allele(s) to be mutated and therefore are considered ______________________ . The mutation results in a ________ of function.
Answer:
Two
Recessive
Loss
Explanation:
To cause cancer, tumor suppressor genes require two alleles to be mutated and therefore are considered recessive. The mutation results in a loss of function.
Even in low doses, exposure to pesticide chemicals has not been linked to certain cancers, developmental health problems, and birth defects.
True
False
Answer: FALSE!!
Explanation: I did the quiz on edge and it was false! Hope this helps
This type of reproduction happens when the parent cell divides to form two new cells called
daughter cells
a) Prophase
b) Mitosis
c) Meiosis
d) Metaphase
Answer:
C.meiosis
Explanation:
Answer:
THE ANSWER IS C 100% sure and its Mitosis its c
Explanation:
Air quality is important to maintain for the health of all animals and plants. True or false
Answer:
true
Explanation:
seems self explanatory
Question 28 (ID=3295869)
This pedigree shows the blood types of the parents and grandparents in a family. What are the possible genotypes of individual 7?
B
와
ST
2
2
4
A
B
6
5
8
OA
141B and i only
ОВ:
18, ii and I
Ос
ii, 1A, 1418 and 18
OD
Only 1418
OE
IA and 18 only
Answer:
its d
Explanation:
i took it already
what is raidiation pls qwuik need help
Answer:
Radiation is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties
Explanation:
Learning Task 2:
Www
Answer the given questions in your notebook
1. Why do we need to know the Hombostel-Sachs of an instrument?
2. Which musical instruments do you like most? Why?
Pls help me to answer this o want a descents answers
Answer:
A musical instruments I like most is described below in detail.
Explanation:
#1 – Piano. It may amaze yourself to recognize that 22 million Americans perform the piano! ...
#2 – Guitar. The guitar arrives in at a nearby second because of its own versatility, price, and the evidence that it can be supplemented or performed solo. ...
#3 – Saxophone.
#4 – Drums. ...
#5 – Violin. ...
#6 – Flute. Clarinet...
#7 – Cello. ...
#8 – Flute.
Is reproduction an essential life process ?
Describe how ions , water and sugar are obtained and transported through plants
What best describes the role of photosynthesis and respiration in the carbon cycle?
Answer:
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Explanation:
Please mark me as brainlist
Photosynthesis removes carbon from the atmosphere, respiration adds carbon to the atmosphere.
What is photosynthesis?Photosynthesis is defined as the process through which plants convert carbon dioxide, water, and sunshine into oxygen and sugar for energy.
It can also be defined as a method used by plants and other living things to change light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
Through photosynthesis, plants transport carbon from the atmosphere into the biosphere and up the food chain. They use solar energy to chemically combine carbon dioxide, oxygen, and hydrogen from water to create sugar molecules.
Photosynthesis is primarily used to convert solar energy into chemical energy, which is then stored for use at a later time.
Thus, photosynthesis removes carbon from the atmosphere, respiration adds carbon to the atmosphere.
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how do cells compare in size to things like rice and salt ?
Which of the following is not considered an environmental impact of geothermal energy? A) gas emissions B) disturbance of the land at drilling sites C) requires large-scale transportation of raw materials to refining sites D) hot waters are corrosive
Answer:
b
hope this helps
Explanation:
Answer:
the answer is C. disturbance of the land at drilling sites
Explanation:
Identify the factors that made early Earth a hot planet.
Answer:
meteorite striking the dinosaures
Protein are digested and transported by fellow proteins. Give vivid example to support the statement
Answer:
Proteins are digested in the body when ingested food from a protein source, is broken down in the stomach by enzymes like Chymotrypsin, trypsin which are both proteins, their common goal is to convert protein into a more simple form or simplest form ( Amino acids). This enzyme (Chymotrypsin and trypsin) are Proteins and they act as biological catalysts that are responsible for breaking proteins down.
An example of how Proteins are transported by fellow proteins is the case of Ferritin. Ferritin is an essential protein in the cell of the body that regulates the amount of iron available to the body. This is important for the hemoglobin in red blood cells.
are building blocks and molecules the same
and are there building blocks to fiber if so what is it
Answer:
pay attention in class
Explanation: