DNA Replication and RNA

DNA Replication and RNA

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is DNA replication?

Back

The process by which a cell makes an exact copy of its DNA before cell division.

2.

FLASHCARD QUESTION

Front

What is the role of helicase in DNA replication?

Back

Helicase is the enzyme that unwinds and separates the two strands of DNA.

3.

FLASHCARD QUESTION

Front

What does 'antiparallel' mean in the context of DNA strands?

Back

Antiparallel refers to the orientation of the two strands of DNA, where one strand runs 5' to 3' and the other runs 3' to 5'.

4.

FLASHCARD QUESTION

Front

What is the significance of the lagging strand in DNA replication?

Back

The lagging strand is synthesized discontinuously in short segments called Okazaki fragments, as it runs in the opposite direction to the replication fork.

5.

FLASHCARD QUESTION

Front

What are nucleotides?

Back

Nucleotides are the building blocks of DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

6.

FLASHCARD QUESTION

Front

What is semiconservative replication?

Back

Semiconservative replication is the method of DNA replication where each new DNA molecule consists of one original strand and one newly synthesized strand.

7.

FLASHCARD QUESTION

Front

What are the four nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

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