Warm-Up DNA and RNA Structure - Edgenuity Inc.

Warm-Up DNA and RNA Structure

Lesson Objectives

By the end of this lesson, you should be able to:

? Analyze the

between DNA and RNA.

? Explain how the base pairing in discovered.

Science Practice: Give examples of how society, and the environment.

and

was

affects science,

W2K

Words to Know

Write the letter of the definition next to the matching word as you work through the

lesson. You may use the glossary to help you.

_____ ribose _____ nucleotides

A. a double-stranded helical polymer containing the sugar deoxyribose, a phosphate group, and the bases adenine, cytosine, guanine, and thymine

B. a single-stranded nucleic acid containing the sugar ribose, a phosphate group, and the bases adenine, cytosine, guanine, and uracil

_____ deoxyribonucleic acid C. a five-carbon sugar that is a key element of RNA

_____ ribonucleic acid

D. the building blocks of nucleic acids, which are made up of a five-carbon sugar, a phosphate group, and a nitrogenous base

_____ deoxyribose

E. a five-carbon sugar that is a key element of DNA

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Instruction DNA and RNA Structure

?

Lesson

Question

Slide

2

Nucleic Acids: DNA

(deoxyribonucleic acid) is a double-stranded helical polymer.

It contains:

? the

deoxyribose,

?a

group,

? and the

adenine, cytosine, guanine, and thymine.

DNA: ? Is found in the

? Codes for

synthesis

Nucleic Acids: RNA

RNA (

) is a single-stranded nucleic acid. It contains:

? the sugar ribose,

? a phosphate group,

? and the bases adenine, cytosine, guanine, and uracil.

RNA

?

code in DNA from nucleus to

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Instruction DNA and RNA Structure

Slide

2

DNA Structure

are the building blocks of

consisting of:

? a five-carbon sugar,

, a key element of DNA.

?a

group.

?a

base.

?

? Cytosine

?

? Thymine

Label the following parts of the DNA molecule: deoxyribose, nitrogenous base, phosphate group.

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Instruction DNA and RNA Structure

Slide

2

Structure of DNA

Circle a nucleotide in the diagram.

5

RNA Structure: Components

? A five-carbon sugar,

, a key element in RNA

?A

group

?A

base

? Adenine

?

? Guanine

?

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Instruction DNA and RNA Structure

Slide

5

Label the following parts of the RNA molecule: ribose, nitrogenous base,

phosphate group.

RNA Structure: Function

RNA moves genetic information in DNA from the

to

so that proteins can be produced.

Label the diagram.

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