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Unit 3 Vocab

Authored by Anayeli Segura

Science

7th Grade

Unit 3 Vocab
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a double helix?

An error that occurs during DNA replication

Material in the cell that contains genetic information

The shape of DNA, resembling a twisted ladder

The process of duplication

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is DNA?

Material in the cell that contains genetic information.

A protein that facilitates a specific chemical reaction in the body.

A sub unit of a nucleic acid molecule that consists of a sugar and a nitrogenous base.

A sub unit of a nucleic acid molecule that consists of a sugar and a nitrogenous base.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does enzyme do?

It's a double-stranded DNA molecule that divides into two single

strands.

It's a component of DNA that forms the “rungs” in the DNA structure.

It's an error that occurs during DNA replication.

It's a protein that sets of a specific chemical reaction in the body.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is a Mutation?

DNA helical and DNA polymer are enzymes that assist in DNA replication.

An error that occurs during DNA replication.

There are four nitrogenous bases in DNA: adenine, thymine, cytosine, and guanine.

a sub-unit of a nucleic acid molecule that consists of a sugar and a nitrogenous base.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a Nucleoside?

A sub-unit of a nucleic acid molecule that consists of a sugar and a nitrogenous base.

Each “rung” of DNA is composed of a bonded pair of nitrogenous bases. Adenine bonds to thymine while cytosine bonds to guanine.

The end result is two identical strands of DNA.

The process of duplication.

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What is replication?

(pick two of them)

During DNA replication, a double-stranded DNA molecule divides into two single strands. New nucleotide bond to each single strand. The end result is two identical strands of DNA.

The process of duplication.

Mutations can be harmful, helpful, or neutral. Most mutations are neutral.

The shape of DNA, resembling a twisted ladder.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Nucleotide

A sub-unit of a nucleic acid molecule that consists of a sugar and a nitrogenous base.

Each “rung” of DNA is composed of a bonded pair of nitrogenous bases. Adenine bonds to thymine while cytosine bonds to guanine.

A sub-unit of a nucleic acid molecule that consists of a sugar, a phosphate,

and a nitrogenous base.

DNA helical and DNA polymer are enzymes that assist in DNA replication.

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