Answer: Checkpoints in the cell cycle A checkpoint is a moment in the eukaryotic cell cycle where the cell considers internal and external inputs before deciding whether or not to divide. There are other checkpoints, but the following are the three most important: At the G/S changeover, there is a G checkpoint.
Explanation:
knowledge!
Answer:
The correct answer is the second option
Explanation:
I believe the answer is fossil fuels.
This statement is false. <span> The humoral immune system is one part of the immune system that is activated when pathogens are present in the blood stream or other body fluids. B cells are the main cells involved in the response, and these cells secrete antibodies that seek out and attach to pathogenic molecules. These attached antibodies act as markers, marking the pathogens for destruction by other parts of the immune system.</span>
calcium is not one of the four atoms that make up the bulk of living organisms.
The correct option is C.
<h3>What is living organisms?</h3>
The cells that make up a living thing. Because more cells are produced, the body of the organisms grows as a result of cell division. A live thing that displays the growth process is a tree. Water, pens, and roads are inanimate objects that do not exhibit the growth process.
<h3>What is calcium?</h3>
Although it also plays a critical role in blood clotting, assisting in muscular contraction, controlling regular heart rhythms, and maintaining normal neural activities, calcium is a mineral that is most frequently linked to strong bones and teeth.
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