Answer: A. Extirpation
Explanation:
The term extirpation is also known as local extinction. It is situation whereby a particular species ceased to exist in an environment where it was once found, though it's existence is still observed elsewhere.
Extirpation maybe as a result of unfavorable environmental and human factors such as hunting, food scarcity and climate variation.
<span>Thymine Is 20% in the DNA molecule.
Hope this helps.
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Answer:
The correct answer is -
1. right-handed
2. right-handed
3. positive
4. left-handed
5. negative
6. negative
Explanation:
In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.
If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.
f. One effect negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix
<span>Which of the following statements is NOT part of the cell theory?
a.) Cells are the basic unit of structure and function in living things
b.) All cells are produced from other cells
c.) Only animals are composed of cells
d.) All living things are composed of cells</span>
The answer is c
Answer: Giving birth only in the spring and summer ensures that offspring are born when food is most available.
Explanation:
