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Microbiology Test

Authored by Lisa Thompson

Science

University

NGSS covered

Microbiology Test
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Enzymes are responsible for-

Speeding up reactions

Giving the body energy

Slowing down reactions

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these is most likely an enzyme?  

Sucrose

Galactose

Fructose

Amylase

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Letter B...

active site

enzyme

substrate

products

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens when enzymes are heated to a high temperature?

The enzymes die.

The shapes of the enzyme are altered denature

The enzymes' amino acid sequence changes.

The enzymes remain the same

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the primary role of enzymes inside of living cells? 

store genetic information

store energy

they help fight infections

speed up chemical reactions 

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Enzymes are able to speed up chemical reactions because they - 

increase the temperature inside the cell

reduce the friction between the reactants

make the raw materials more chemically reactive

lower the activation energy of the reaction

Tags

NGSS.HS-PS1-4

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Which of the following conclusions can be drawn from this graph?

The optimum pH of the enzyme is 6.6.

This enzyme works best in highly acidic environments

The enzyme’s activity increases as pH increases 7.0 to 9.0

The enzyme’s activity is greater around pH of 8.0 .

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