What kind of bond links amino acids to form proteins?

Nucleotides are made up of...

Which of the following has one (1) phosphate group?

Pyrimidines have ___ ring(s) and purines have ___ ring(s).

In DNA, the nucleotide pairs are ...

Gel electrophoresis separates DNA fragments by their ...

Heterochromatin is ___, while euchromatin is ___.

Which histone modification makes histones more negatively charged, loosening chromatin?

Restriction endonucleases used in molecular biology are...

DNA replication occurs during which stage of the cell cycle?

Meselson and Stahl used ¹⁴N- and ¹⁵N-containing DNA and centrifugation to show that DNA replication is ...

Origins of replication (where DNA synthesis begins) tend to have more ....

_____ bonds form between the 3'OH of the growing DNA strand and the 5'phosphate of the incoming nucleotide.

DNA polymerase cannot begin synthesis without an existing 3'OH group, so ___ generates a short RNA primer.

The ____ strand requires multiple RNA primers, rather than just one.

This piece of replication machinery creates single-strand nicks in the DNA upstream of the replication fork to relieve torsional stress.

____ has a built-in RNA primer AND a DNA synthesis ability that it uses to extend the end of the chromosome to ensure full replication in the lagging strand.

Which type of spotaneous damage results in a cytosine being chemically altered into a uracil?

Double-stranded DNA breaks can be fixed in two ways.

Which way uses a template to re-synthesize the lost DNA, resulting in no nucleotide loss?

Alpha helices and beta sheets are formed and held together by covalent bonds.

DNA contains ____, while RNA contains ____.

Which of the following does NOT describe plasmids?

Nucleosomes are made up of all the following EXCEPT...

The purpose of single-stranded DNA binding proteins is ...