James was observing cells under a microscope. he observed some cells which had a layer outside the plasma membrane. what is this layer called?

Differentiation of cells changes the nucleic information. true false

Describe the layers of the suns atmosphere?

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%