What is the function of tRNA? A:to supply appropriate amino acids for translation
B:to supply appropriate amino acids for transcription
C:to provide proteins needed for all cellular function
D:to provide a template for the sequence of proteins needed

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.

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?