Please help!! Which of the following is not an explanation of the relationship between nucleic acids and proteins?

A. The DNA in chromosomes is wound around proteins called histones.

B. The sequence of nucleotides in DNA determines the order of amino acids in protein.

C. The protein helicase cuts the hydrogen bonds holding the two DNA strands together.

D. The amino acids in protein determine the sequence of nucleotides in DNA.

this protocol describes a detailed procedure for intracellular flow cytometry staining.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.