Chaper 1: Nucleic Acid Structure and Organization

Question 1

Examples of Cells that have stopped cycling(G0 phase)?

Answer 1

muscle and nerve cells

Question 2

Name three hemotherapeutic agent that target S-phase cell cycle.

Answer 2

Methotrexate, 5-Fluorouracil, hydroxyurea

Question 3

Name one chemotherapeutic agent that stops cell cycle on G2 phase.

Answer 3

bleomycin

Question 4

Name two chemotherapeutic agent that stops cell cycle on M phase.

Answer 4

paclitaxel, vincristine, vinblastine

Question 5

Nucleic acids(DNA & RNA) are assembled from nucleotides. there are three components of them.

Answer 5

nitrogenous base, 5-carbon sugar(pentose), phosphate

Question 6

What are three factors that are used to denature DNA?

Answer 6

Heat, alkaline pH, chemicals(formamide, urea)

Question 7

What are two amino acids rich in Histone and what is the consequence of those?

Answer 7

lysine and arginine. positive charge one proteins

Question 8

Difference between Nucleoside & Nucleotide?

Answer 8

Nucleoside contains pantose & Nitrogenous base wihle Nucleotie contains phosphate along side with panthose & Nitrogenous base.