These molecules are the lipids cholesterol and cortisol.  These lipids are considered:

In the structure of DNA, to what part do the nitrogen-containing bases covalently bond?

Which pair of enzymes is necessary to make recombinant DNA in molecular cloning?

The promoter element of the prokaryotic lactose operon can bind with:

When Chargaff analyzed DNA and determine the amount of guanine, he also found an equal amount of this nitrogen containing base:

Monosaccharides like glucose and disaccharides like lactose are both:

In humans, widow’s peak is dominant to continuous hairline, and short fingers are dominant to long.  Two parents with widow’s peak (W) and short fingers (S) have a child with a continuous hairline and long fingers.  What are the genotypes of the two parents?

Using dehydration synthesis, amino acids are linked into proteins by removing:

In the double helix model of DNA molecule, the rungs or steps of the twisted “ladder” are composed of hydrogen bonded:

In which process is tRNA directly involved?