The subunits of proteins are a. sugar molecules. c. enzymes. b. amino acids. d. nucleotides.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Construct at least two possible hypotheses for the student’s experiment.

Describe the two types of vascular tissue