Question 1

What mutation has occurred here?  T-G-A-C-C-A | T-G-A-G-C-A

Accepted Answer

substitution

Answer

insertion

Answer

deletion

Answer

frameshift

Question 2

Are all mutations bad?

Accepted Answer

no

Answer

yes

Question 3

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

Accepted Answer

TAC ACT GTC

Answer

ATG TGA CAG

Answer

GTA AGT GAC

Answer

CAT TCA CTG

Question 4

Which of the following best describes a DNA molecule?

Accepted Answer

double helix

Answer

contains ribose

Answer

contains uracil

Answer

made of amino acids

Question 5

If 20% of a DNA sequence is thymine (T), what percentage of the sample is made up of cytosine (C)?

Accepted Answer

30%

Answer

15%

Answer

50%

Answer

35%

Question 6

Which of the following carries amino acids to the site of protein synthesis?

Accepted Answer

tRNA

Answer

nRNA

Answer

mRNA

Answer

rRNA

Question 7

Ribosomes make what?

Accepted Answer

protein

Answer

new cells

Answer

DNA/RNA

Answer

cholesterol

Question 8

Which of the following mutations occurs when extra base pairs are inserted into a place of DNA?

Accepted Answer

insertion

Answer

deletion

Answer

frame shift

Answer

substitution

Question 9

A ___ mutation exchanges one base for another.

Accepted Answer

substitution

Answer

insertion

Answer

deletion

Question 10

Which of the following is the start codon?

Accepted Answer

AUG

Answer

UAG

Answer

UAA

Question 11

Looking at the picture, number 3 indicates:

Accepted Answer

amino acid

Answer

mRNA

Answer

protein

Question 12

Looking at the picture, number 5 indicates:

Accepted Answer

tRNA

Answer

mRNA

Answer

protein

Question 13

Looking at the picture, number 1 indicates:

Accepted Answer

mRNA

Answer

tRNA

Answer

protein

Question 14

tRNA bases are also referred to as ___.

Accepted Answer

anti-codons

Answer

codons

Answer

amino acids

Question 15

____ is responsible for transporting amino acids to the corresponding mRNA codon.

Accepted Answer

tRNA

Answer

rRNA

Answer

mRNA

Question 16

____ is a major component of a ribosome that help bond amino acids together to make proteins.

Accepted Answer

rRNA

Answer

tRNA

Answer

mRNA

Question 17

Which of the following uses all thre types of RNA

Accepted Answer

translation

Answer

transcription

Question 18

Translation occurs at:

Accepted Answer

ribosomes

Answer

nucleus

Answer

nuclear pores

Question 19

Which of the following best describes transcription?

Accepted Answer

within the nucleus mRNA is created by reading the DNA code

Answer

RNA is used to create the correct amino acid sequence

Answer

occurs at a ribosome

Question 20

There are ___ different amino acids.

Accepted Answer

20

Answer

15

Answer

25

Answer

10

Question 21

A DNA template strand is 5' A C G T T A G C 3' Which of the following complementary mRNA strand?

Accepted Answer

U G C A A U C G

Answer

U G G U U A G G G

Answer

A A U C G G

Question 22

Codons consist of groups of ___ nucleotide(s) called triplets.

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 23

Which of the following types of RNA is the code (message) that is read to make proteins?

Accepted Answer

mRNA

Answer

tRNA

Answer

rRNA

Question 24

____ are considered the building blocks of protein.

Accepted Answer

amino acids

Answer

tRNA

Answer

codons

Question 25

Which of the following is not a characteristic of RNA?

Accepted Answer

double stranded

Answer

uracil replaces thymine

Answer

smaller than DNA

Answer

made of ribose sugar

Question 26

Which of the following best describes the first step in DNA replication?

Accepted Answer

DNA helicase breaks the hydrogen bonds

Answer

DNA polymerase reads the DNA and determines new nucleotide

Answer

strand of mRNA is read to create a protein structure

Question 27

Which of the following best describes the second step of DNA replication?

Accepted Answer

DNA polymerase reads the DNA

Answer

strand of mRNA is read to create a protein structure

Answer

DNA helicase breaks the hydrogen bonds

Question 28

DNA replication occurs ___ cell division.

Accepted Answer

before

Answer

after

Answer

during

Question 29

Which of the following best describes the molecule of DNA?

Accepted Answer

all of these

Answer

the molecule of life

Answer

contain genetic codes that determine physical features

Answer

all living things contain DNA

Question 30

Which of the following would result in a frameshift mutation?

Accepted Answer

insertions and deletions

Answer

insertions only

Answer

substitution only

Answer

deletions only

Question 31

ATTTGAGCC - Original
ATTGAGCC    - Mutated
This is an example of a

Accepted Answer

deletion - frameshift

Answer

insertion - frameshift

Answer

deletion - substitution

Answer

all of these

Question 32

Whic of the following is not a mutagenic factor (causes mutations).

Accepted Answer

drinking water

Answer

chemicals we smoke or eat

Answer

x-rays

Answer

tanning

Question 33

This type of substitution codes for a stop codon

Accepted Answer

nonsense

Answer

deletion

Answer

silent

Answer

missense

Question 34

In a point mutation, this would have the worst effect on the function of the protein

Accepted Answer

an insertion or deletion at the beginning of the gene

Answer

an insertion or deletion near the end of a gene

Answer

an insertion at the middle of the gene

Answer

a base substitution

Question 35

If you are missing or have an extra base at the end of your mutated DNA, what type of mutation occurred?

Accepted Answer

frameshift

Answer

insertion

Answer

subsitution

Answer

duplication

Question 36

What type of chromosomal mutation is this?

Accepted Answer

inversion

Answer

deletion

Answer

translocation

Answer

duplication

Question 37

What type of chromosomal mutation is ths?

Accepted Answer

translocation

Answer

deletion

Answer

inversion

Answer

duplication

Question 38

A type of substitution in which one amino acid changes is called

Accepted Answer

missense

Answer

all of these

Answer

silent

Answer

nonsense

Question 39

A type of substitution in which no amino acid is changed is called

Accepted Answer

silent

Answer

missense

Answer

deletion

Answer

nonsense

Related quizzes

Related quizzes