all of the following are model organisms except:

which of the following macromolecules are known to have catalytic functions in normal cells?

DNA strands in the double helix are __________ which means the strand runs in opposite directions

which of the following amino acids has a negatively charged side chain with a neutral pH?

which of the following is the weakest interaction?

amphipathic refers to molecules that are:

which of the following is not an activated form of a monomer?

the site on an enzyme that will bind to the substrate is called:

an enzyme:

proteins are often composed of 2 or more distinct molecules that fold independently. This represents protein that functions in semi-independent manner

where are hydrophobic interactions most likely to occur?

___________ and turns connect different peptide segments, allowing polypeptide chains to fold back in on themselves

GTPases are different from kinases in that

what kind of interaction is not involved in binding substrate to a normally functioning enzyme?

a small molecule that binds to an active site of an enzyme and disrupts its catalytic function is:

phosphate group is generally on ________ end of polynucleotide and hydroxyl group of sugar is found on _______ end

what gives DNA molecule its negative charge?

what explains uniform width of DNA along its length?

condition in which cells have either more or less than normal diploid number of chromosomes is called:

which percent of human genome codes for amino acids in our proteins?

labeled, single stranded DNAs used to localize positions of specific complementary DNA sequences within chromosomes in in situ hybridization are called

Histone folds consist of:

histones have very large relative amounts of which amino acids?

core particle of nucleosomes consists of ____________ protein complex