Eukaryotic chromosomes differ from bacterial chromosomes because only eukaryotes have select one: a. chromosomes in a nucleus. b. histone proteins. c. all of the choices are correct. d. elongated, not circular, chromosomes. e. several to many chromosomes.

Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Which of the following explains why a tree is often used as a model to represent the principle of common descent