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Unit 5 Vocab Review

Total questions: 14

Worksheet time: 13mins

Name
Class
Date
1.

Where is the genetic code stored?

a)

Ribose sugars in RNA

b)

Phosphates in DNA

c)

Nucleotides in DNA

d)

Exons in RNA

2.

What are the building blocks of DNA?

a)

Proteins

b)

Fatty acids

c)

Nucleotides

d)

Chromosomes

3.

What part of the nucleotide carries genetic information?

a)

The phosphate group

b)

The deoxyribose sugar

c)

The nitrogen base

d)

The hydrogen bonds

4.

What is the process of making mRNA from DNA called?

a)

Replication

b)

Translation

c)

Transcription

d)

Mutation

5.

Where does transcription take place?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Mitochondria

6.

What is the process of making a protein from mRNA called?

a)

Replication

b)

Transcription

c)

Translation

d)

Mutation

7.

What is the role of a codon in protein synthesis?

a)

It signals the start of replication

b)

It codes for a specific amino acid

c)

It forms the sugar-phosphate backbone

d)

It determines the location of the ribosome

8.

What is the complementary mRNA strand for the DNA sequence TAC?

a)

UAC

b)

ATG

c)

AUG

d)

GUC

9.

Which of the following DNA mutations would likely have the largest effect?

a)

A substitution in the third base of a codon

b)

A deletion of one nucleotide

c)

An addition of three nucleotides

d)

A silent mutation

10.

Which mutation type replaces one nucleotide with another but does not shift the reading frame?

a)

Insertion

b)

Frameshift

c)

Substitution

d)

Deletion

11.

What is the result of a frameshift mutation?

a)

No change in the protein

b)

A single amino acid is altered

c)

The entire reading frame is shifted, changing all amino acids after the mutation

d)

The gene is deleted entirely

12.

If a DNA sequence changes but the protein remains the same, what type of mutation likely occurred?

a)

Frameshift

b)

Silent

c)

Nonsense

d)

Missense

13.

Label the CENTRAL DOGMA diagram using the words provided by putting them in the correct box:

14.
Question Image

Match the DNA codon with its amino acid

a)

TAG

1.

lle

b)

GAT

2.

Leu

c)

ATT

3.

STOP