Quiz about Chapter 14 Gene Expression and Regulation

Question 1

What are the three components of a nucleotide?

Accepted Answer

sugar, phosphate, nitrogen base

Answer

sugar, hydrogen, nitrogen base

Answer

sugar, oxygen, nitrogen base

Answer

sugar, phosphate, protein

Question 2

What is the correct order to make a protein?

Accepted Answer

DNA, RNA, Protein

Answer

Protein, DNA, RNA

Answer

RNA, DNA, Protein

Answer

Protein, RNA, DNA

Question 3

Where is DNA and RNA made?

Accepted Answer

nucleus

Answer

cytoplasm

Answer

mitochondria

Answer

ER

Question 4

Where are proteins made?

Accepted Answer

outside the nucleus in the cytoplasm

Answer

muscles

Answer

nucleus

Question 5

RNA contains which sugar?

Accepted Answer

Ribose

Answer

deoxyribose

Answer

glucose

Answer

fructose

Question 6

RNA has what base that is instead of thymine?

Accepted Answer

uracil

Answer

guanine

Answer

adenine

Answer

thymine

Question 7

How would the DNA sequence GCTATA be transcribed to mRNA?

Accepted Answer

CGAUAU

Answer

GCUAUA

Answer

CGATAT

Answer

GCUTUT

Question 8

Transcribe the following DNA sequence into RNA: (Hint! Remember that RNA has U instead of T!)

AAT TAG GGC TCG

Accepted Answer

UUA AUC CCG AGC

Answer

AAT TAG GGC TCG

Answer

TTA ATC CCG AGC

Answer

TTU UTC CCG UGC

Question 9

What is Transcription?

Accepted Answer

The making of an mRNA strand from the DNA template.

Answer

The making DNA segment.from mRNA.

Answer

The making of an RNA strand into a protein.

Question 10

Amino acids are the building blocks of...

Accepted Answer

Proteins

Answer

DNA

Answer

RNA

Answer

Atoms

Question 11

What does protein synthesis DO?

Accepted Answer

makes proteins

Answer

makes genes

Answer

makes new cells

Answer

deletes cells

Question 12

Cytosine always pairs with

Accepted Answer

Guanine

Answer

Adenine

Answer

Thymine

Answer

Uracil

Question 13

Which organelle is DNA usually found in?

Accepted Answer

nucleus

Answer

cell membrane

Answer

vacuole

Answer

ribosome

Question 14

Nucleotides are made up of a sugar, phosphate, and..?

Accepted Answer

nitrogenous base

Answer

nucleic acid

Answer

cholesterol

Answer

fatty acid

Question 15

Guanine bonds with ______________.

Accepted Answer

Cytosine

Answer

Adenine

Answer

Guanine

Answer

Thymine

Question 16

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

Accepted Answer

The proteins expressed in each cell are different

Answer

The two different cells become mutated

Answer

They actually have different DNA in the two types of cells.

Answer

The genome of the different cells changes

Question 17

Which of the following best explains the term gene expression?

Accepted Answer

the production of proteins based on the genetic information in DNA

Answer

the suppression of RNA polymerase

Answer

the suppression of protein production

Answer

the production of lipids based on the genetic information in DNA

Question 18

The lac operon genes only become expressed if:

Accepted Answer

lactose binds to the repressor

Answer

glucose binds to the repressor

Answer

lactose binds to the operator

Answer

the repressor binds to the operator

Question 19

In the lac operon model the genes within the operon will be expressed if:

Accepted Answer

lactose is present in the cell

Answer

lactose is absent in the cell

Answer

glucose is present in the cell

Question 20

If an mRNA molecule has introns and exons in it, where is it?

Accepted Answer

In the nucleus

Answer

At a ribosome

Answer

In a prokaryotic cell

Answer

could be in the nucleus or the ribosome

Question 21

what is an operon?

Accepted Answer

a unit made up of linked genes that code for proteins needed to do a specific task

Answer

a part of a ribsome

Answer

a part of a Rna

Answer

needed for dna replication

Question 22

what does a promoter do?

Accepted Answer

it allows a gene to be transcribed

Answer

it creates a DNA segment

Answer

it is another word for ribosomes

Answer

it is another word for RNA

Question 23

DNA controls the cell by instructing it when and how to make different

Accepted Answer

proteins

Answer

nucleotides

Answer

fatty acids

Answer

carbohydrates

Question 24

Amino acids are joined together in order to form...

Accepted Answer

proteins

Answer

DNA

Answer

ribosomes

Answer

RNA

Question 25

Unlike DNA, RNA...

Accepted Answer

contains the base Uracil.

Answer

is double-stranded.

Answer

contains the base Thymine.

Answer

is longer than DNA.

Question 26

Which of the following is NOT directly required for translation?

Accepted Answer

DNA

Answer

amino acids

Answer

tRNA

Answer

ribosomes

Question 27

Which is the organelle that makes proteins?

Accepted Answer

Ribosome

Answer

Nucleus

Answer

Rough ER

Answer

Golgi Apparatus

Question 28

Where does transcription take place?

Accepted Answer

nucleus

Answer

cytoplasm

Answer

ribosome

Answer

Grandma's kitchen

Question 29

_______ is made during transcription and ________ is made during translation.

Accepted Answer

mRNA / a protein

Answer

a protein / mRNA

Answer

Ribosome / Nucleus

Answer

mRNA / tRNA

Question 30

Codons contain ______ bases of which kind of RNA?

Accepted Answer

3, messenger

Answer

2, messenger

Answer

3, transfer

Answer

1, ribosomal

Answer

3, ribosomal

Question 31

Choose the nucleotide sequence of the RNA strand that would be complementary to the following DNA strand:

ATTGCA

Accepted Answer

UAACGU

Answer

AUUGCA

Answer

ATTGCA

Answer

TAACGT

Question 32

What amino acid is represented by the codon AUG?

Accepted Answer

Methionine

Answer

Phenylalanine

Answer

Leucine

Answer

Stop codon

Question 33

What process is going on in this photo?

Accepted Answer

Translation

Answer

Transcription

Answer

Replication

Answer

All the above

Question 34

What process is happening in the diagram?

Accepted Answer

transcription

Answer

translation

Answer

DNA replication

Answer

mitosis

Question 35

What does tRNA bring to the ribosome?

Accepted Answer

amino acids

Answer

nucleotides

Answer

proteins

Answer

mRNA

Answer

fresh jams

Question 36

What is a Gene?

Accepted Answer

A segment of DNA that encodes for a protein

Answer

A segment of RNA that encodes for a protein

Answer

A chromosome

Answer

Your genome

Question 37

What is the first step in protein synthesis?
DNA -> mRNA

Accepted Answer

transcription

Answer

translation

Answer

replication

Answer

mutation

Question 38

What is the function of a repressor?

Accepted Answer

to block RNA polymerase

Answer

to delete RNA

Answer

to make RNA

Question 39

Why do cells need repressors?

Accepted Answer

so we only make proteins we need

Answer

so we can make as my proteins as possible

Question 40

An operon is

Accepted Answer

a group of related genes and the associated gene switches in prokaryotes

Answer

a genetic on/off switch in prokaryotes

Answer

a genetic on/off switch in eukaryotes

Answer

a group of related genes and the associated gene switches in eukaryotes

Question 41

Where does the RNA Polymerase bind to for the initiation of

Accepted Answer

Promotor

Answer

Regulator

Answer

Structural genes

Answer

Operator

Question 42

True or False: All of your body cells contain the same genes.

Accepted Answer

True

Answer

False

Question 43

The structure X is a ________.

Accepted Answer

ribosome

Answer

nucleus

Answer

tRNA

Answer

DNA

Question 44

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 45

Which sections of mRNA are cut out and discarded before the mRNA leaves the nucleus?

Accepted Answer

Introns

Answer

Exons

Answer

Genes

Answer

Amino acids

Question 46

During transcription in eukaryotic cells, mRNA starts copying from the __________.

Accepted Answer

TATA box

Answer

introns

Answer

poly-A tail

Answer

stop codon

Question 47

What amino acid is represented by the codon UUA?

Accepted Answer

Leucine

Answer

Phenylalanine

Answer

Tyrosine

Answer

Stop codon

Question 48

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

Accepted Answer

amino acids; peptide

Answer

fatty acids; ionic

Answer

proteins; hydrogen

Answer

fatty acids; covalent

Question 49

Change in the genetic material of a cell.

Accepted Answer

mutation

Answer

RNA

Answer

promoter

Answer

anticodon

Answer

homeotic gene

Question 50

What type of mutation is this?

Original DNA;

TATGAACTGGAA

Mutated DNA;

TATGAATTGGAA

Accepted Answer

Substitution

Answer

Insertion

Answer

Deletion

Answer

Frameshift

Question 51

A mutation is a _______________ in the nucleotide base sequence of a gene.

Accepted Answer

change

Answer

wrinkle

Answer

bump

Answer

tumor

Question 52

What are three types of point mutations

Accepted Answer

Silent

Accepted Answer

Missense

Accepted Answer

Nonsense

Answer

Inversion

Question 53

In which of the following ways does genetic information typically flow in an organism?

Accepted Answer

DNA --> RNA --> protein --> trait

Answer

trait --> proteins --> RNA --> DNA

Answer

RNA --> trait -->protein --> DNA

Answer

DNA --> protein --> trait--> RNA

Question 54

What is does this image represent?

Accepted Answer

Mutation

Answer

Translation

Answer

tRNA

Answer

Transcription

Question 55

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

Accepted Answer

Substitution

Answer

Deletion

Answer

Insertion

Answer

Frameshift

Question 56

Are all mutations bad?

Accepted Answer

No

Answer

Yes

Question 57

Why are insertion and deletion (frameshift) mutations so harmful?

Accepted Answer

They change all of the codons from the mutation on down the line, which changes the amino acid sequence

Answer

They insert things that an organism doesn't need.

Answer

They often delete things that organisms need.

Answer

Insertion and deletions are not any more harmful than substitution mutations.

Question 58

Why is the order of amino acids so important?

Accepted Answer

The order of amino acids dictates what shape the protein will fold into.

Answer

It is not important. The protein folding chamber will force the protein to fold into the correct shape.

Question 59

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

Accepted Answer

Base Substitution

Answer

Base Insertion

Answer

Base Inversion

Answer

Translocation

Question 60

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 61

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

Accepted Answer

Substitution

Answer

Insertion

Answer

Inversion

Answer

Translocation

Question 62

Which RNA bases would pair with TACGAA in transcription?

Accepted Answer

AUGCUU

Answer

ATGCTT

Answer

GCATCC

Answer

GCAUCC

Question 63

a change in one DNA triplet that may result in a new triplet that codes for a stop codon instead of an amino acid is known as

Accepted Answer

nonsense

Answer

missense

Answer

frameshift

Answer

silent

Question 64

A type of substitution in which no  amino acids change is called

Accepted Answer

Silent

Answer

Missense

Answer

Nonsense

Answer

Deletion

Chapter 14 Gene Expression and Regulation

75 questions

What are the three components of a nucleotide?

What is the correct order to make a protein?

Where is DNA and RNA made?

Where are proteins made?

RNA contains which sugar?

RNA has what base that is instead of thymine?

How would the DNA sequence GCTATA be transcribed to mRNA?

Transcribe the following DNA sequence into RNA: (Hint! Remember that RNA has U instead of T!)

AAT TAG GGC TCG

What is Transcription?

Amino acids are the building blocks of...

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Chapter 14 Gene Expression and Regulation

75 questions

What are the three components of a nucleotide?

What is the correct order to make a protein?

Where is DNA and RNA made?

Where are proteins made?

RNA contains which sugar?

RNA has what base that is instead of thymine?

How would the DNA sequence GCTATA be transcribed to mRNA?

Transcribe the following DNA sequence into RNA: (Hint! Remember that RNA has U instead of T!)AAT TAG GGC TCG

What is Transcription?

Amino acids are the building blocks of...

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Transcribe the following DNA sequence into RNA: (Hint! Remember that RNA has U instead of T!)

AAT TAG GGC TCG