Answer:
The cell cycle is controlled at three checkpoints. The integrity of the DNA is assessed at the G1 checkpoint. Proper chromosome duplication is assessed at the G2 checkpoint. Attachment of each kinetochore to a spindle fiber is assessed at the M checkpoint.
Explanation:
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Answer:
The rate of mutation is low
Explanation:
Biosynthesis of leucine means the biological production or breakdown of leucine.
Leucine is very important in the body because it helps in the protein synthesis and muscular development. It should be understood also that too much of leucine in the body might result to low blood pressure.
In this case, the rate of mutation to the locus related to leucine biosythesis will be low.
The correct answer to the question Which of the following was an early realization that gave rise to Darwin's theory of natural selection? is D The earth and its organisms have changed through time.
N positron emission, also called positive beta decay (β+-decay), a proton in the parent nucleus decays into a neutron that remains in the daughter nucleus, and the nucleus emits a neutrino and a positron, which is a positive particle like an ordinary electron in mass but of opposite charge.