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?

A process that applies electrical current within agarose that separates DNA fragments based on their size and charge.

Oxygen has an atomic number (number of protons) of 8.  How many electrons does the element oxygen (0) have in its valence (outer) shell when it is not combined with another element?

Klienfelter’s syndrome, which results in a sterile aneuploid individual, is represented as a sex chromosome combination of:

These enzymes cut double stranded DNA at a specific base sequence to leave stick ends.