The answer is D! living things are made up of units called cells.
Answer: acetyl group, methyl group, or phosphate group
Explanation Basically different modification can occur to the tail regions of histone .This includes addition of the groups listed above
There is no option or ocean breezes show
Answer:
I think it is the variable.
Explanation:
E Coli bacterium are about 2.0 micrometers in length and .25 to 1 micrometer in diameter. In comparison, a red blood cell is about 6 to 8 micrometers in diameter and a thickness that ranges from .8 to 1 micrometer in the center to 2 to 2.5 micrometers at the thickest point.
