Quiz about 5.7 DNA Structure and Function Review

Question 1

What is the shape of the DNA molecule as discovered by James Watson and Francis Crick?

Accepted Answer

Double helix

Answer

Triple helix

Answer

Linear chain

Answer

Single helix

Question 2

Which nitrogen base pairs with Adenine?

Accepted Answer

Thymine

Answer

Cytosine

Answer

Guanine

Answer

None of the above

Question 3

What is the complementary base pair of Guanine?

Accepted Answer

Cytosine

Answer

Thymine

Answer

Adenine

Answer

Uracil

Question 4

What is DNA?

Accepted Answer

Deoxyribonucleic acid

Answer

Ribonucleic acid

Answer

Deoxyribonucleic atom

Answer

Dinitrogenous acid

Question 5

Thymine pairs with

Accepted Answer

Adenine only

Answer

Adenine, guanine, cytosine

Answer

Cytosine only

Question 6

Identify the complementary strand of DNA for the following:

ATGG

Accepted Answer

TACC

Answer

ATGG

Answer

AGCC

Answer

TTGG

Question 7

In which organelle of a eukaryotic cell can most of the DNA be found?

Accepted Answer

Nucleus

Answer

Chloroplasts

Answer

Cell membrane

Answer

Ribosomes

Question 8

The sides of the DNA ladder are made of alternating:

Accepted Answer

sugars and phosphates

Answer

hydrogen bonds and bases

Answer

sugars and nitrogen bases

Answer

adenine and thymine

Question 9

What are the four nitrogen bases present in DNA?

Accepted Answer

Cytosine, Guanine, Thymine, Adenine

Answer

Adenine, Lysine, Guanine, Cytosine

Answer

Adenine, Uracil, Guanine, Cytosine

Answer

Cytosine, Thymine, Lysine, Adenine

Question 10

What is the shape of DNA?

Accepted Answer

Double helix

Answer

Double heelies

Answer

Double trouble

Answer

Double staircase

Question 11

One side of a strand of DNA reads "AATCGA." What is the complementary strand?

Accepted Answer

TTAGCT

Answer

AATCGA

Answer

CCGATC

Answer

GGCTAG

Question 12

Identify the three parts of a nucleotide.

Accepted Answer

phosphate

Accepted Answer

nitrogen base

Accepted Answer

deoxyribose

Answer

oxygen

Answer

nucleic acid

Question 13

Is this a picture of DNA? Why?

Accepted Answer

No, the molecule in the picture it is single stranded

Answer

Yes, the molecule in the picture is single stranded

Answer

No, the molecule in the picture it is double stranded

Answer

Yes, the molecule in the picture it is double stranded

Question 14

another type of nucleic acid that carries the code from the DNA in the nuclues to the ribosome in the cytoplasm

Accepted Answer

RNA

Answer

DNA

Answer

heredity

Answer

amino acid

Question 15

Mutations are mistakes that become part of ___________________.

Accepted Answer

genetic code

Answer

history

Answer

proteins

Question 16

Where does a cell store genetic instructions for the organism?

Accepted Answer

DNA molecule

Answer

mitochondria

Answer

cell membrane

Answer

cell wall

Question 17

Adenine bonds with ______________.

Accepted Answer

Thymine

Answer

Guanine

Answer

Cytosine

Answer

Adenine

Question 18

Which type of RNA takes the instructions from the nucleus to the cytoplasm?

Accepted Answer

mRNA

Answer

tRNA

Answer

rRNA

Answer

RNA polymerase

Question 19

How does RNA differ from DNA in terms of structure?

Accepted Answer

RNA is single-stranded, contains ribose sugar, and uracil instead of thymine.

Answer

RNA is double-stranded, contains ribose sugar, and uracil instead of adenine.

Answer

RNA is double-stranded, contains deoxyribose sugar, and thymine instead of uracil.

Answer

RNA is single-stranded, contains deoxyribose sugar, and cytosine instead of uracil.

Question 20

What are the three components of a nucleotide?

Accepted Answer

Phosphate group, sugar molecule, nitrogenous base

Answer

Phosphate group, sugar molecule, carbon base

Answer

Phosphate group, lipid molecule, nitrogenous base

Answer

Hydrogen group, sugar molecule, nitrogenous base

Question 21

Describe the process of transcription in the cell.

Accepted Answer

Transcription is the process of creating an RNA copy of a segment of DNA.

Answer

Transcription involves the synthesis of proteins directly from DNA.

Answer

Transcription occurs in the cytoplasm of the cell.

Answer

Transcription is the process of creating a DNA copy of a segment of RNA.

Question 22

What is the role of messenger RNA (mRNA) in protein synthesis?

Accepted Answer

mRNA carries the code from DNA to the ribosome, where proteins are synthesized.

Answer

mRNA carries amino acids to the ribosome.

Answer

mRNA provides the template for DNA replication.

Answer

mRNA modifies the DNA structure before replication.

Question 23

What is the process by which DNA is copied to RNA called?

Accepted Answer

Transcription

Answer

Translation

Answer

Replication

Answer

Reverse transcription

Question 24

RNA codes for which of the following?

Accepted Answer

Proteins

Answer

Monosaccharides

Answer

Traits

Answer

Ribosomes

Question 25

The process to go from DNA to mRNA is _______

Accepted Answer

transcription

Answer

translation

Answer

replication

Question 26

What is the location in the cell for translation?

Accepted Answer

ribosome

Answer

nucleus

Answer

mitochondria

Answer

chloroplast

Question 27

What is the location in the cell for translation?

Accepted Answer

ribosome

Answer

nucleus

Answer

mitochondria

Answer

chloroplast

Question 28

What is a genetic mutation

Accepted Answer

any change in the DNA base pairs

Answer

the making of a zombie

Answer

the process of duplicating the DNA in a cell

Question 29

A substitution mutation occurs when

Accepted Answer

a base pair is replaced with a different base pair

Answer

a base pair is missing from the DNA strand

Answer

a base pair is added to the DNA strand

Question 30

An insertion/additon mutation occurs when

Accepted Answer

a base pair is added to the DNA strand

Answer

a base pair is missing from the DNA strand

Answer

a base pair is replaced with a different base pair

Question 31

A deletion mutation occurs when

Accepted Answer

a base pair is missing from the DNA strand

Answer

a base pair is added to the DNA strand

Answer

a base pair is replaced with a different base pair

Question 32

A mutation that helps an organism survive and reproduce

Accepted Answer

helpful mutation

Answer

harmful mutation

Answer

neutral mutation

Question 33

A mutation that decreases an organism's ability to survive and reproduce

Accepted Answer

harmful mutation

Answer

helpful mutation

Answer

neutral mutation

Question 34

A mutation that has NO effect on an organism's ability to survive and reproduce

Accepted Answer

neutral mutation

Answer

harmful mutation

Answer

helpful mutation

Question 35

Many mutations...

Accepted Answer

Occur randomly

Answer

Occur because of bad eating habits

Answer

Occur because of lack of exercise

Question 36

Mutations can be...

Accepted Answer

All of the Above

Answer

Harmful

Answer

Beneficial

Answer

Neutral

Question 37

Mutations are...

Accepted Answer

Changes in the sequence of DNA

Answer

Broken chromosomes

Answer

Bad genes

Question 38

Mutations can be a result of...

Accepted Answer

Environmental Exposure

Answer

Lack of sleep

Answer

Not enough exercise

Question 39

What is a type of Mutation?

Accepted Answer

All of the Above

Answer

Deletions

Answer

Insertions

Answer

Base Substitutions

Question 40

Which of the following traits is encoded in your DNA? (Choose the best answer)

Accepted Answer

Your eye color

Answer

Your personality

Answer

Your likes and dislikes

Answer

Your intelligence

Question 41

What types of living organisms have NO genetic material at all?

Accepted Answer

All living organisms have genetic material

Answer

Insects

Answer

Bacteria

Answer

Plants

Question 42

What are the building blocks of proteins called?

Accepted Answer

Amino Acids

Answer

DNA

Answer

RNA

Answer

Ribosomes

Question 43

Any change in the sequence of DNA is...

Accepted Answer

Mutation

Answer

transgenic shift

Answer

Single Genotype

Answer

Monohybrid Trait

Question 44

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

Accepted Answer

Deletion

Answer

Substitution

Answer

Insertion

Answer

Inversion

Question 45

Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA

Accepted Answer

substitution

Answer

no mutation

Answer

insertion

Answer

deletion

Question 46

Are all mutations bad?

Accepted Answer

No

Answer

Yes

Question 47

What are the three types of mutation?

Accepted Answer

Insertion, Deletion, Subsitution

Answer

Deletion, Newstion, Subsitution

Answer

Newstion, Deletion, Insertion

Answer

Insertion, Newstion, Substitution

Question 48

What do hurtful mutations do?

Accepted Answer

Decrease chances of survival

Answer

Increases changes of survival

Answer

Decreases likelihood of developing cancer

Answer

Increases likelihood of developing cancer

Question 49

Which of the following is an example of a hurtful mutation?

Accepted Answer

Developing cancer

Answer

Makes the organism faster

Answer

Makes the organism a predator

Answer

Develops sharp claws

Question 50

What do helpful mutations do?

Accepted Answer

Increases chances of survival

Answer

Decreases changes of survival

Answer

Increases chances of developing cancer

Answer

Decreases skills

Question 51

These molecules are made up of amino acids.

Accepted Answer

proteins

Answer

bases

Answer

ribosomes

Answer

nucleii

Question 52

These long molecules carry out most cell functions.

Accepted Answer

Proteins

Answer

DNA

Answer

RNA

Answer

Amino Acids

Question 53

What part of your cells contains DNA?

Accepted Answer

nucleus

Answer

mitochondria

Answer

lysosome

Answer

cytoplasm

Question 54

The directions in our genes allow us to make ______ that carry out specific tasks.

Accepted Answer

protein

Answer

protoplasm

Answer

DNA

Answer

cells

Question 55

Which of these might be considered a mutation?

Accepted Answer

having two different colored eyes

Answer

having brown hair

Answer

having blue eyes

Answer

having arms

5.7 DNA Structure and Function Review

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