What are the four nitrogen bases present in DNA?

Cytosine, Guanine, Thymine, Adenine

Adenine, Lysine, Guanine, Cytosine

Adenine, Uracil, Guanine, Cytosine

Cytosine, Thymine, Lysine, Adenine

Is this a picture of DNA? Why?

No, the molecule in the picture it is single stranded

Yes, the molecule in the picture is single stranded

No, the molecule in the picture it is double stranded

Yes, the molecule in the picture it is double stranded

How does RNA differ from DNA in terms of structure?

RNA is single-stranded, contains ribose sugar, and uracil instead of thymine.

RNA is double-stranded, contains ribose sugar, and uracil instead of adenine.

RNA is double-stranded, contains deoxyribose sugar, and thymine instead of uracil.

RNA is single-stranded, contains deoxyribose sugar, and cytosine instead of uracil.

What are the three components of a nucleotide?

Phosphate group, sugar molecule, nitrogenous base

Phosphate group, sugar molecule, carbon base

Phosphate group, lipid molecule, nitrogenous base

Hydrogen group, sugar molecule, nitrogenous base

Describe the process of transcription in the cell.

Transcription is the process of creating an RNA copy of a segment of DNA.

Transcription involves the synthesis of proteins directly from DNA.

Transcription occurs in the cytoplasm of the cell.

Transcription is the process of creating a DNA copy of a segment of RNA.

What is the role of messenger RNA (mRNA) in protein synthesis?

mRNA carries the code from DNA to the ribosome, where proteins are synthesized.

mRNA carries amino acids to the ribosome.

mRNA provides the template for DNA replication.

mRNA modifies the DNA structure before replication.

What is a genetic mutation

any change in the DNA base pairs

the process of duplicating the DNA in a cell

A substitution mutation occurs when

a base pair is replaced with a different base pair

a base pair is missing from the DNA strand

a base pair is added to the DNA strand

An insertion/additon mutation occurs when

a base pair is added to the DNA strand

a base pair is missing from the DNA strand

a base pair is replaced with a different base pair

A deletion mutation occurs when

a base pair is missing from the DNA strand

a base pair is added to the DNA strand

a base pair is replaced with a different base pair

Occur because of bad eating habits

Occur because of lack of exercise

What types of living organisms have NO genetic material at all?

All living organisms have genetic material

What are the three types of mutation?

Insertion, Deletion, Subsitution

Deletion, Newstion, Subsitution

Insertion, Newstion, Substitution

What do hurtful mutations do?

Decreases likelihood of developing cancer

Increases likelihood of developing cancer

What do helpful mutations do?

Increases chances of developing cancer

5.7 DNA Structure and Function Review

Authored by Cortnie Smith

Science

7th Grade

NGSS covered

Used 11+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shape of the DNA molecule as discovered by James Watson and Francis Crick?

Triple helix

Double helix

Linear chain

Single helix

Which nitrogen base pairs with Adenine?

Thymine

Cytosine

Guanine

None of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the complementary base pair of Guanine?

Cytosine

Thymine

Adenine

Uracil

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is DNA?

Ribonucleic acid

Deoxyribonucleic acid

Deoxyribonucleic atom

Dinitrogenous acid

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Thymine pairs with

Adenine, guanine, cytosine

Adenine only

Cytosine only

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the complementary strand of DNA for the following:
ATGG

TACC

ATGG

AGCC

TTGG

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which organelle of a eukaryotic cell can most of the DNA be found?

Nucleus

Chloroplasts

Cell membrane

Ribosomes

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5.7 DNA Structure and Function Review