Grain products are a good source of carbohydrates and .
a. vitamin b complex
b. vitamin a
c. calcium

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase