Quiz about DNA

Question 1

What are the nucleotides made of?

Accepted Answer

Sugar, Phosphate, nitrogen base

Answer

Phosphate, Adenine, nitrogen base

Answer

Thymine, Adenine, Cytomine

Answer

Phosphate, Nitrogen, Adenine

Question 2

Which of the following best describes a DNA molecule?

Accepted Answer

double helix

Answer

contains ribose

Answer

made of amino acids

Answer

contains Uracil

Question 3

Adenine bonds with ______________.

Accepted Answer

Thymine

Answer

Guanine

Answer

Cytosine

Answer

Adenine

Question 4

Guanine bonds with ______________.

Accepted Answer

Cytosine

Answer

Adenine

Answer

Guanine

Answer

Thymine

Question 5

Why is DNA important?

Accepted Answer

it serves as the blueprint for traits of all living things

Answer

it is very small and very complicated

Answer

it's in everything

Answer

because we eat it every day for energy

Question 6

What are the 4 nitrogen bases found in DNA?

Accepted Answer

adenine, thymine cytosine, and guanine

Answer

adenine, thymine, uracil, and guanine

Answer

adenine, thymine, cytosine, and gylcerol

Answer

adenine, thymine, cytosine, and glucose

Question 7

Which 2 molecules forms the sides (handrails) of the DNA ladder?

Accepted Answer

deoxyribose sugar and phosphate

Answer

deoxyribose and adenine

Answer

deoxyribose and a hydrogen bond

Answer

sugar and the nucleus

Question 8

Which organelle is DNA usually found in?

Accepted Answer

nucleus

Answer

cell membrane

Answer

vacuole

Answer

chloroplast

Question 9

Which sequence of DNA bases would pair with this partial strand

ATG TGA CAG

Accepted Answer

TAC ACT GTC

Answer

UAC TGA CAG

Answer

GTA AGT GAC

Answer

ATG TCA CTG

Question 10

What does DNA stand for?

Accepted Answer

Deoxyribonucleic acid

Answer

Deoxyribose sugar

Answer

Deribonucleic acid

Answer

Diribonucleic acid

Question 11

What is responsible for holding the two strands of the DNA double helix together?

Accepted Answer

hydrogen bonds

Answer

alleles

Answer

London dispersion forces

Answer

deoxyribose sugars

Question 12

A process in which DNA has the unique ability to make an exact copy of itself.

Accepted Answer

Replication

Answer

Translation

Answer

Transcription

Question 13

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

Accepted Answer

thymine

Answer

cytosine

Answer

guanine

Answer

uracil

Question 14

What determines the code, or information, of a DNA molecule?

Accepted Answer

the order (sequence) of the nitrogen bases

Answer

the shape (structure) of the nitrogen bases

Answer

the color of the nitrogen bases

Answer

the frequency (number) of nitrogen bases

Question 15

What unzips the DNA to prepare for replication?

Accepted Answer

enzyme

Answer

phosphate

Answer

nitrogen base

Answer

scissors

Question 16

DNA replication results in two DNA molecules,

Accepted Answer

each one with one new strand and one original strand

Answer

each one with two original strands

Answer

each one with two new strands

Answer

one with two new strands and the other with two original strands

Question 17

order of replication

Accepted Answer

3, 4, 1, 2

Answer

3, 2, 1, 4

Answer

2, 1, 4, 3

Answer

2, 3, 1, 4

Question 18

A process in which DNA has the unique ability to make an exact copy of itself.

Accepted Answer

Replication

Answer

Translation

Answer

Transcription

Question 19

These two men were the given credit for being the first to make a model showing DNA's double helix structure.

Accepted Answer

Watson & Crick

Answer

Watson & Cricket

Answer

Lewis & Clark

Answer

Mickey & Minnie

Question 20

In RNA, Uracil pairs with ______.

Accepted Answer

adenine

Answer

cytosine

Answer

guanine

Answer

thymine

Question 21

The mRNA leaves the ________ to find the ribosome to make proteins.

Accepted Answer

nucleus

Answer

cell

Answer

nucleotide

Question 22

What amino acid is represented by the codon UUA?

Accepted Answer

Leucine

Answer

Phenylalanine

Answer

Tyrosine

Answer

Stop codon

Question 23

What process is going on in this photo?

Accepted Answer

Translation

Answer

Transcription

Answer

Replication

Answer

All the above

Question 24

Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT

Accepted Answer

ACCGUUCAUGCA

Answer

ACCGTTCATGCA

Answer

UGGCAAGUACGU

Answer

UCCGUUCUUGCU

Question 25

During replication where do the extra parts used to rebuild the DNA come from?

Accepted Answer

The cytoplasm

Answer

The ribosome

Answer

The Golgi body

Answer

The mitochondria

Question 26

Which of these bases is not present in RNA?

Accepted Answer

Thymine

Answer

Cytosine

Answer

Adenine

Answer

Guanine

Question 27

Which of the following units are repeatedly joined together to form a strand of DNA?

Accepted Answer

nucleotides

Answer

amino acids

Answer

fatty acids

Answer

polysaccharides

Question 28

The sugar in DNA is ?

Accepted Answer

deoxyribose

Answer

sucrose

Answer

glucose

Answer

fructose

Question 29

What sugar is in RNA?

Accepted Answer

ribose

Answer

deoxyribose

Answer

oxyribose

Answer

deoxyose

Question 30

Any change in the DNA is called a/an

Accepted Answer

mutation

Answer

mistake

Answer

exon

Answer

intron

Question 31

A major difference between DNA and RNA is

Accepted Answer

that DNA stays in the nucleus

Answer

the fact that DNA is single stranded

Answer

the shape of the two molecules, as RNA typically remains in a double helix

Answer

uracil is found in place of adenine in RNA

Answer

none of these are differences

Question 32

True or False. DNA is directly involved in translation

Accepted Answer

False

Answer

True

Question 33

The order of the bases in DNA is important so that it can

Accepted Answer

code for the right amino acids

Answer

bind with tRNA

Answer

convert its thymines to uracils

Answer

none of these

Question 34

True or False. mRNA transcribes DNA's code and brings it to a ribosome.

Accepted Answer

True

Answer

False

Question 35

What is the relationship between a protein, the cell, and DNA?

Accepted Answer

DNA controls the production of protein in the cell

Answer

DNA is produced by protein which is produced in the cell

Answer

Protein is composed of DNA which is produced in the cell

Answer

A cell is composed of DNA and protein

Question 36

Where does Translation take place?

Accepted Answer

ribosome

Answer

RNA

Answer

nucleus

Answer

chromosome

Question 37

DNA codes for...

Accepted Answer

proteins

Answer

cholesterol

Answer

fatty acids

Answer

a sandwich

Question 38

The main function of tRNA is to...

Accepted Answer

bring amino acids from the cytoplasm to the ribosomes

Answer

carry a message that, when translated, forms proteins

Answer

form a portion of ribosomes

Answer

string together complementary RNA and DNA strands

Question 39

Which component of DNA determines the traits of an organism?

Accepted Answer

Nitrogen Bases

Answer

deoxyribose sugar

Answer

Hydrogen bonds

Answer

phosphate

Question 40

What is the three base sequence of nitrogen bases that codes for a single amino acid?

Accepted Answer

Codon

Answer

Anticodon

Answer

Protein

Question 41

What are the handrails (sides) of the DNA structure made up of?

Accepted Answer

repeating phosphates and deoxyribose sugars

Answer

nitrogen bases

Answer

nucleotides

Answer

adenine and thymine

Question 42

Translation is the process where

Accepted Answer

mRNA is decoded to form a protein

Answer

mRNA is created in the Nucleus

Answer

glucose molecules are made

Answer

is where lipids are synthesised

Question 43

Does DNA have double or single strand?

Accepted Answer

double

Answer

single

Question 44

DNA is a

Accepted Answer

nucleic acid

Answer

amino acid

Answer

protein

Answer

carbohydrate

Question 45

Codes for a single protein

Accepted Answer

Gene

Answer

DNA

Answer

Chromosome

Answer

Chromatin

Question 46

DNA is...

Accepted Answer

the blueprint for our bodies

Answer

skin cells

Answer

the size of a school bus

Answer

how we're all held together

Question 47

What part of the cell cycle is the DNA in a cell's nucleus replication?

Accepted Answer

Interphase

Answer

Prophase

Answer

Metaphase

Answer

Telophase

Question 48

Where are genes found?

Accepted Answer

On Chromosomes

Answer

In the Cytoplasm

Answer

In a Trait

Answer

Outside of the Nucleus

Question 49

What do genes "code" for?

Accepted Answer

All of These are Correct

Answer

Traits

Answer

Physical Characteristics

Answer

Hair Color, Skin Color, Eye Color

Answer

Size of Nose, Shape of Nose, # of Fingers

Question 50

What do genes code for?

Accepted Answer

Protein

Answer

Lipids

Answer

Carbohydrates

Answer

DNA

Question 51

When an extra base is inserted into the DNA sequence of a gene, the protein doesn't work. Which explains why?

Accepted Answer

the inserted base causes the codons in the sequence to be incorrect for the desired protein

Answer

the base increases rate of translation

Answer

the base causes DNA to be transcribed in opposite direction

Answer

the base signals enzymes to translate DNA rather than RNA

Question 52

What is the end result of DNA replication

Accepted Answer

Two identical DNA strands

Answer

One DNA strand

Answer

Two new cells

Answer

One new cell

Question 53

This is short for deoxyribonucleic acid

Accepted Answer

DNA

Answer

NBC

Answer

CAT

Answer

PAMS

Question 54

The organelle where proteins are made.

Accepted Answer

ribosomes

Answer

nucleus

Answer

mitochindria

Answer

ER

Question 55

_________RNA copies the coded message from the DNA and carries it into the cytoplasm.

Accepted Answer

messenger

Answer

transfer

Question 56

A chain of _______________ link together to form a protein.

Accepted Answer

amino acids

Answer

chromosomes

Answer

nitrogen bases

Answer

phosphates

Question 57

The order of the bases along a gene determines the order in which ____________ are put together to form a protein,

Accepted Answer

amino acids

Answer

DNA

Answer

chromosomes

Answer

ribosomes

Question 58

Which series is arranged in order from largest to smallest in size?

Accepted Answer

cell, nucleus, chromosome, DNA, nucleotide

Answer

chromosome, nucleus, cell, DNA, nucleotide

Answer

nucleotide, chromosome, cell, DNA, nucleus

Answer

cell, nucleotide, nucleus, DNA, chromosome

Question 59

DNA replication produces ___ molecules of DNA.

Accepted Answer

2 Identifcal

Answer

2 Different

Answer

4 Identical

Answer

4 Different

Question 60

How many codons are in the sequence AUG CCU UAG?

Accepted Answer

3

Answer

1

Answer

2

Answer

9

Question 61

Differentiate DNA from RNA.

Accepted Answer

RNA is single stranded; DNA is double stranded

Answer

RNA is found in nucleus; DNA is found everywhere in the cell

Answer

DNA contains ribose; RNA contains Deoxyribose

Answer

RNA's bases are A-T, G-C; DNA's bases are U-A, C-G

Question 62

Replicate the following strand of DNA:
AATCATGGA

Accepted Answer

TTAGTACCT

Answer

AATCATGGA

Answer

UUAGUACCU

Answer

GGATAUCUA

Question 63

What is the product of translation?

Accepted Answer

proteins

Answer

DNA

Answer

mRNA

Answer

tRNA

Question 64

In RNA the base T is replaced with

Accepted Answer

U

Answer

G

Answer

C

Answer

A

DNA

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