Answer:
You're right, D is Correct
Explanation:
I had this question a couple days ago
Answer: False
T-cells get their name from the endocrine gland (thymus) in which they are stored, not from the thyroid gland.
T cells<span> belong to a subtype of white blood cells known as "lymphocytes", that is why T cell are also known as T lymphocytes. The "T" stands for "thymus" -- the small endocrine gland in which these cells mature. It is responsible for a variety of other immune responses.</span>
Answer: B, C and D
Explanation:
Option A is wrong because protons are not pumped into the matrix of the mitochondria, but rather protons are pumped from the mitochondrial matrix to the inner membrane space.
Option B is correct. The NADH dehydrogenase, cytochrome b-c1, and cytochrome oxidase complexes are all protons pumps and pump protons across the membrane.
Option C. Is correct. The pH inside the mitochondrial matrix is higher than in the innner membrane space.
Option D is correct. The mitochondria use the proton gradient to synthesize ATP by the enzyme ATP synthase.
Answer:
Chromatin helps regulate DNA replication.
Explanation:
Chromatin helps condense DNA strands to smaller units that can be easily managed during DNA replication and gene expression. This also prevents the breakage of the strands and facilitates equal distribution of chromosomes during cell division (during mitosis and meiosis).
