Humans and other animals regulate cell growth and cell division. Sort these cells by category: Muscle cells
Nerve cells Skin cells Blood-producing cells Digestive tract cells
Cells that do not divide once they have developed
Cells that grow and divide throughout life

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Plants that have reproductive structures called cones are?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks