Which of the following is stored within the nucleus of the cell and acts as a code book for synthesizing specific proteins?
a. rna
b. cells
c. organs
d. dna

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles