Answer:
all of the above
Explanation:
Epigenetic alterations are modifications of the genome transmitted during cell division, which do not involve changes in the DNA sequence, are hereditary and are capable of modifying gene expression. In addition, they are temporary modifications that allow DNA to be transcribed and have the ability to move histones to open or close a chromosomal region. There are three main mechanisms of epigenetic alterations: DNA methylation, histone modifications and genomic imprinting.
The structure of the nucleus is that it has the protons (+) and the neutrons (0).
Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a <span>generator to create electricity.</span>
B <span>What is the effect of crop selection for pest resistance on the distribution of leaf size in a population of plants?
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A decomposer is an organism that feeds on dead organisms as well as the waste products of other organisms. Their job is to continue the cycle and return nutrients to the earth.
