Cancer Practice (11.4, 11.5) + Cancer

Research has been conducted for many years on an line of ________ cells called HeLa cells

• mortal

• immortal

• no one cares, there HeLa annoying

The checkpoints in the cell cycle check...

• That the cell is growing

• That it is replicating DNA

• That it is performing cell functions

Telomeres contain the most valuable genetic material of the DNA strand, T/F?

• True

• False

Chromosomes in a normal body cell shorten by about ____ nucleotide/s with every cell division.

• 1

• 10

• 100

• 1000

• Trick Question, they never shorten

When a chromosome gets too short...

• A checkpoint amino acid (roughly) doubles the length of the chromosome

• A new telomere region is added on by ligase

• the cell never divides again

• None of the Above

How does DNA get damaged in the first place (Relating to Cancer)?

• radiation

• carcinogens

• mutagens

• oxidative stress

• cartilage

Cancer cells gain the ability to promote growth of new blood vessels, a process called metastasis, T/F?

• True

• False

Cancer cells gain the ability to promote growth of new blood vessels, a process called apoptosis, T/F?

• True

• False

Cancer cells gain the ability to migrate to other parts of the body, a process called metastasis, T/F?

• True

• False

Cancer cells can divide many more times than this, largely because they express an enzyme called _________.

• telomerase

• cancer dehydrogenase

• polymerase

• None of the Above