Author: Anonymous

A strand of DNA has the nucleotide base sequence of ATTCCGATAGC The sequence of its complementary strand is:  

You are observing an onion root tip going through mitosis. You notice that all of the chromosomes are lined up in the middle of the cell. Which phase of mitosis are you observing?

Refer to Figure 3. Which substance(s) is a substrate?

Duplicated eukaryotic chromosomes are composed of two ___________________ held together by a centromere and cohesion proteins.

In most human females, the sex chromosomes are the:

Which genetic disorder is represented with an XO aneuploid female who has low or absent fertility and is often short in stature?

The trp operon codes for genes to synthesize tryptophan. In the absence of tryptophan, the ____________ protein does not bind the operator, and RNA synthesis proceeds.

Using the table of codons, if the DNA sequence were CCT, what amino acid would be inserted into the protein?  

Too much of an end product in a metabolic pathway inhibits the first enzyme in the pathway and shuts it down. This is called:

During photosynthesis, oxygen is produced and released into the atmosphere when: