DNA Structure

DNA Structure

Assessment

Flashcard

Biology

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the structure of DNA?

Back

DNA is a double helix formed by two strands of nucleotides twisted around each other.

2.

FLASHCARD QUESTION

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

3.

FLASHCARD QUESTION

Front

What is a nucleotide composed of?

Back

A nucleotide consists of a phosphate group, a sugar (deoxyribose), and a nitrogenous base.

4.

FLASHCARD QUESTION

Front

What type of bond holds the base pairs together in DNA?

Back

Hydrogen bonds hold the base pairs together.

5.

FLASHCARD QUESTION

Front

What is the function of DNA?

Back

DNA stores genetic information and provides instructions for the development and functioning of living organisms.

6.

FLASHCARD QUESTION

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains deoxyribose sugar, while RNA is single-stranded and contains ribose sugar.

7.

FLASHCARD QUESTION

Front

What is the role of the sugar in a nucleotide?

Back

The sugar in a nucleotide connects the phosphate group and the nitrogenous base, forming the backbone of the DNA strand.

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