Chaper 1: Nucleic Acid Structure and Organization Flashcards

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1
Q

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

A

muscle and nerve cells

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2
Q

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

A

Methotrexate, 5-Fluorouracil, hydroxyurea

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3
Q

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

A

bleomycin

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4
Q

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

A

paclitaxel, vincristine, vinblastine

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5
Q

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

A

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

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6
Q

What are three factors that are used to denature DNA?

A

Heat, alkaline pH, chemicals(formamide, urea)

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7
Q

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

A

lysine and arginine. positive charge one proteins

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8
Q

Difference between Nucleoside & Nucleotide?

A

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

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