Two plants were being tested for growth. Both were given water and proper soil, etc. However, one was placed in the closet, and one was placed in the window sill. Why did the one in the closet die? Question 4 options: It was not around other plants. It was not around people enough. It did not receive sunlight. It did not have chloroplasts.

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.

Explain why phospholipid molecules form a bilayer. (3 marks)

Nucleic acid certain protein cell membranes certain carbohydrates