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.
Involuntary, meaning things in the body such as your heart is all regulated to act unconsciously while also receiving directives from the brain.
Answer: False
Explanation: You're supposed to have numerically more smaller units than bigger units, since a lot of these smaller units are combined to create a single larger unit.
Answer:
ice on the tundra or soil that is always frozen
Explanation:
Answer:
D Jupiter
Explanation:
it is the largest planet and takes longer the spin on its axis
