& Actual Practice Questions (Graded A)
phosphorylation - ✔✔✔ Correct Answer > the addition of a
phosphate group to a molecule
second messengers - ✔✔✔ Correct Answer > relay signals
received by cell-surface receptors
signaling response - ✔✔✔ Correct Answer > cell responds and
something changes within the cell
signal termination - ✔✔✔ Correct Answer > the response is
terminated so a new signal can be received
Uracil - ✔✔✔ Correct Answer > replaces thymine in RNA
structure of DNA - ✔✔✔ Correct Answer > double helix
pyramide bases - ✔✔✔ Correct Answer > Cytosine and
Thymine
,pruine bases - ✔✔✔ Correct Answer > Adenine and Guanine
DNA reads from - ✔✔✔ Correct Answer > 5' to 3'
Prokaryotic DNA - ✔✔✔ Correct Answer > circular, does not
have histones
Eukaryotic DNA - ✔✔✔ Correct Answer > Linear chromosomes
within the nucleus.
G1 phase - ✔✔✔ Correct Answer > Cell growth
S phase - ✔✔✔ Correct Answer > DNA replication
G2 phase - ✔✔✔ Correct Answer > Growth and preparation
for cell division
M phase - ✔✔✔ Correct Answer > mitosis
, conservative replication - ✔✔✔ Correct Answer > DNA
molecule would get copies and make a new second complete
molecule
semi-conservative replication - ✔✔✔ Correct Answer > each
DNA strand separates and serves as a template for a new
strand
dispersive replication - ✔✔✔ Correct Answer > DNA molecule
would get cut into pieces then after being copies these pieces
are incorporated into two new DNA molecules
DNA replicated is - ✔✔✔ Correct Answer > semi conservative
leading strand - ✔✔✔ Correct Answer > The new continuous
complementary DNA strand synthesized along the template
strand in the mandatory 5' to 3' direction.
lagging strand - ✔✔✔ Correct Answer > The strand that is
synthesized in fragments using individual sections called
Okazaki fragments