How do enzymes speed up a reaction?

they decrease how many reactions can take place

What happens when enzymes are heated to a high temperature?

The shapes of the enzyme are altered or denatured

The enzymes' amino acid sequence changes.

Which of these is NOT true?

Enzymes can only be used once in a chemical reaction.

Enzymes can denature (change shape) when the temperature gets too high.

Extreme pH can denature enzymes.

Enzymes speed up chemical reactions.

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

The optimum pH of the enzyme is 6.6.

The optimum pH of the enzyme is 5.8

The enzyme’s activity increases as pH increases 5.0 to 9.0

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

Which best describes why the shape of an enzyme is important?

a specific substrate needs to fit perfectly into its activation site

their shape allows them to move easier through the body

not important; enzymes can be used for multiple reactions

Why does carbon's ability to form 4 covalent bonds make it a good central atom for macromolecules?

it forms large, complex molecules

it cannot form branches or rings

The location on an enzyme that recognizes its specific substrate.

Does not exist; an enzyme's structure does not play a role in catalyzing reactions.

Biochemistry+Enzymes

Quiz

•

Biology

•

9th - 10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-6, HS-PS1-5, MS-LS1-7

+1

Standards-aligned

Drew Eddinger

Used 714+ times

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many covalent bonds can one Carbon atom make?

1

2

4

6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Monomer of a protein

nucleotide

lipid

monosaccharide

amino acid

Monosaccharide (Simple sugar) is the monomer of a

nucleic acid

lipid

carbohydrate

protein

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which does not occur in dehydration synthesis?

water is formed

a polymer is produced

a polymer is broken down

monomers are covalently bonded together

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What process would be used in the digestion of macromolecules we consume in our diet?

Hydrolysis

Dehydration Synthesis

Hydrosynthesis

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Glucose is an example of which monomer?

Nucleotide

Amino Acid

Simple Sugar

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which macromolecule is used as the main structure in cell membranes?

Nucleic Acid

Protein

Lipid

Carbohydrate

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Biochemistry+Enzymes

23 questions

How many covalent bonds can one Carbon atom make?

Monomer of a protein

Monosaccharide (Simple sugar) is the monomer of a

Which does not occur in dehydration synthesis?

What process would be used in the digestion of macromolecules we consume in our diet?

Glucose is an example of which monomer?

Which macromolecule is used as the main structure in cell membranes?

Which macromolecule can be consumed through oils and butter?

Enzymes are an example of which macromolecule?

What is structure A?

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