The correct answer choice would be B. 4 acetyl CoA enter the citric acid cycle.
Answer:
Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants.
DNA double helix is made of 2 complementary DNA strands . These strands are held together by hydrogen bonding between the complementary bases on each strand.
Nucleotides are the building units of nucleic acids. Bases are components of the nucleotides.
Bases on one DNA strands pairs with bases on the complementary DNA strand through hydrogen bonds.
bases can pair with the complementary base.
Complementary base of thymine is adenine .
Therefore thymine pairs with adenine.
Macrophages are immune cells which are responsible for performing the functions like clearance of pus, cellular debris, dead neutrophils as well as damaged tissue after the inflammation has been performed.
Macrophages are a type of immune cells. They are large phagocytic cells which can be found either mobile as a white blood cell or they can also be found in a stationary form in the tissues. They can especially be found at the site of infection.
During inflammation, they enter about 72 hours post the initial response to perform the function of cleaning up the debris, pus and also the dead neutrophils.
To learn more about macrophages here
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The answer is actually 4.4 billion years, but i guess you can estimate to 4.5
