Answer:
A. Populations were separated through geographical isolation.
Explanation:
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
An earthquake? Is it multiple choice?
I just did it and got it correct the answer is inside the circle which is the first one. Good luck on the questions.
The hypothalamus communicates directly with pituitary gland.
<h3>Hypothalamus?</h3>
Hypothalamus is a small part lied f the brain that is between the inferior and anterior of thalamus. This gland is linked up with the pituitary gland by the stalk-like infundibulum. The pituitary gland comprises of an anterior and posterior lobe and each love produce different hormones in response to signals from the hypothalamus.
posterior lobe contains the ends of nerve cells that is from hypothalamus. The hypothalamus transmitt the hormones directly to the posterior lobe via these nerves, and then the pituitary gland releases them.
Therefore, The hypothalamus communicates directly with pituitary gland.
Learn more about hypothalamus below.
brainly.com/question/1022285