When comparing prophase i of meiosis with prophase of mitosis, which of the following occurs only in meiosis?
a. the chromosomes condense.
b. tetrads form.
c. the nuclear envelope disassembles.
d. a spindle forms.
e. each chromosome is composed of two chromatids.

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

In what part of the body does the most muscle activity happen?