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WorksheetsCC - Biology - Chapter 9 Review
Total questions: 65
Worksheet time: 33mins
Segments of DNA that code for proteins are called ______.
chromosomes
amino acids
genes
nitrogenous bases
The idea that DNA gives mRNA the template to make protein is known as the _______.
natural selection
central dogma
cell theory
evolution
The first step in protein synthesis where DNA gives the code to RNA is called _____.
transcription
translation
DNA replication
DNA polymerase
The molecule that DNA gives its code to is ______.
any of these types of RNA
tRNA
rRNA
mRNA
The second stage of protein synthesis that occurs at the ribosome is known as ________.
transcription
translation
DNA synthesis
RNA polymerase
The 3-letter sequence found on the mRNA that codes for a particular amino acid is called ________.
a codon
an anticodon
a tRNA
DNA polymerase
The type of RNA that makes up a ribosome is called _____.
Any of the RNA's
mRNA
tRNA
rRNA
The RNA that carries and deposits the amino acids is called ______.
rRNA
mRNA
tRNA
any of the RNA's listed
The portion of the tRNA that matches the 3 letter sequence on the mRNA is called the ______
template strand
codon
anticodon
DNA polymerase
The portion of the mRNA molecule that codes for proteins and is present in the mature RNA that leaves the nucleus
exon
intron
transcription bubble
template
Intervening portions of the mRNA molecule that do not code for proteins and are removed from the mature RNA
exons
introns
transcription bubbles
template
The strand of DNA that codes for proteins and is used to produce the complimentary mRNA strand
exon
intron
non-template
template
The strand of DNA that is nearly identical to the mRNA with the exception that the DNA has thymine
exon
intron
non-template
template
The process of removing introns and reconnecting exons
telomere
mismatch repair
splicing
promoter
The DNA sequence onto which the proteins and enzymes involved in transcription bind to initiate the process of transcription
telomere
telomerase
template
promoter
The region of the DNA molecule that is unwound so that the code can be transferred to the RNA molecule
transcription bubble
telomere
telomerase
promoter
The protective end of linear chromosomes that is associated with aging
non-template
template
telomere
telomerase
An enzyme that contains a catalytic part and an inbuilt RNA template to produce protective ends on linear chromosomes
telomerase
DNA ligase
RNA polymerase
DNA polymerase
A type of DNA repair in which enzymes recognize the wrongly incorporated base and excise it from the DNA, replacing it with the correct base
nucleotide excision repair
base excision repair
apoptosis
mismatch repair
The enzyme responsible for unwinding and unzipping DNA in order for it to be replicated is _______
DNA ligase
DNA helicase
DNA polymerase
single stranded proteins
________ are placed down to keep the two strands from re-uniting when DNA is being replicated.
single stranded proteins
DNA helicase
DNA polymerase
DNA ligase
When DNA is being replicated and the strands are separated, Y shaped structures called ______ are formed.
single stranded proteins
Okazaki fragments
RNA primers
replication forks
The enzyme called ________ puts down a primer so DNA replication knows where to start.
RNA primase
DNA primase
RNA primer
DNA ligase
The small strand of RNA placed down so DNA replication knows where to begin is called a(n) _____.
tRNA
RNA primase
RNA primer
mRNA
The enzyme that speeds up the rate at which complementary bases are added to the template DNA strand during DNA replication is called ______.
Okazaki fragments
RNA primase
DNA ligase
DNA polymerase
The direction in which DNA can be built is from the ______ to ______ position.
3' to 5'
5' to 3'
2' to 4'
4' to 2'
Which strand of DNA adds base pairs continuously?
template
lagging
leading
non-template
The lagging strand has short fragment of DNA replicated that have to been joined by an enzyme. These short fragments are called ______ fragments.
Okazaki
RNA primer
RNA primase
DNA ligase
The small fragments of DNA that needs to be connected are done so by the enzyme ______.
DNA primase
DNA ligase
DNA polymerase
DNA helicase
There were a number of scientists who helped deepen our understanding of the structure of DNA. Which one or ones injected mice with different strains of Streptococcus pneumonia and found a "transforming factor" that turned live rough Streptococcus pneumonia deadly when mixed with the dead smooth strand?
Chargaff
Hershey and Chase
Avery, McCarty, and McCloud
Griffith
After Griffith, a new set of scientists isolate materials from the Streptococcus, separating the proteins, lipid, and DNA to determine what the transforming factor was and found DNA to be the transforming factor. Who was/were this/these scientist(s)?
Franklin and Wilkins
Hershey and Chase
Avery, McCarty, and McCloud
Watson and Crick
When scientists initially determined it was DNA that was the transforming factor, the experiment was mostly ignored because scientists felt that DNA was too simple to be the transforming factor. Therefore, ____________ conducted an experiment using bacteriophages, a type of virus that attacks bacteria. They knew that the virus injected its genetic material so they used special dye to see what the genetic material was. They found that it was DNA and not protein.
Franklin and Wilkins
Hershey and Chase
Avery, McCarty, and McCloud
Watson and Crick
Which scientist used X-ray crystallography to determine that DNA was a double helix?
Franklin and Wilkins
Hershey and Chase
Avery, McCarty, and McCloud
Watson and Crick
Which scientist or scientists determined that the number of adenine nitrogenous bases equaled the number of thymine nitrogenous bases and the number of guanine equaled the number of cytosine bases?
Franklin and Wilkins
Chargaff
Watson and Crick
Avery, McCarty, and McCloud
Which scientists were given credit for our current understanding of the structure and replication of DNA?
Franklin and Wilkins
Hershey and Chase
Avery, McCarty, and McCloud
Watson and Crick
The bases adenine and guanine are double ringed and are referred to as ______.
purines
pyrimidines
nitrogenous bases
phosphate groups
The bases thymine and cytosine are single ringed structures called ______.
purines
pyrimidines
nitrogenous bases
phosphate groups
You isolate a cell strain in which the joining together of Okazaki fragments is impaired and suspect that a mutation has occurred in an enzyme found at the replication fork. Which enzyme is most likely to be mutated?
DNA helicase
RNA polymerase
DNA ligase
DNA polymerase
What nitrogenous base does guanine pair with?
cytosine
uracil
thymine
adenine
The shape of ________ DNA is circular.
eukaryotes
prokaryotes
animal
plant
The shape of _____ DNA is linear.
eukaryotes
prokaryotes
archae
bacteria
DNA replicates by which of the following models?
non-continuous
dispersive
conservative
semi-conservative
The initial mechanism for repairing nucleotide errors in DNA is ________.
Mismatch repair
Nucleotide excision repair
DNA polymerase proofreading
Thymine dimers
A promoter is ________ onto which the proteins and enzymes involved in transcription bind to initiate the process.
a specific sequence of RNA nucleotides
a specific sequence of DNA nucleotides
protein that binds to DNA
an enzyme that synthesizes RNA
Portions of eukaryotic mRNA sequence that are removed during RNA processing are ________.
introns
exons
poly-A tails
caps
The RNA components of ribosomes are synthesized in the ________.
Golgi apparatus
endoplasmic reticulum
nucleus
nucleolus
How long would the peptide be that is translated from this MRNA sequence: 5'-AUGGGCUACCGA-3'?
12 amino acids
3 amino acids
4 amino acids
there is not enough information to tell
Post-translational control refers to:
when the code from DNA has been given to mRNA
DNA is uncoiled and loosened from nucleosomes to bind transcription factors
regulation of gene expression after proteins have been made
when RNA is processed and exported to the cytoplasm after it is transcribed
Control of gene expression in eukaryotic cells occurs at which level(s)?
epigenetic, transcriptional, and translational levels only
epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels
epigenetic and transcriptional levels only
only at the transcriptional level
The rose colored portion of the diagram shows
a phosphate group
the sugar deoxyribose
the sugar ribsose
a nitrogenous base
The purple portion of the diagram shows?
a phosphate group
the sugar deoxyribose
the sugar ribose
a nitrogenous base
The salmon colored portion shows?
a phosphate group
the sugar deoxyribose
the sugar ribose
nitrogenous base
The part of the DNA that codes for proteins is the _______.
the sugar deoxyribose
the sugar ribose
nitrogenous bases
the phosphate group
The part of the DNA that codes for proteins is the _______.
none of the options listed
covalent bonds
hydrogen bonds
ionic bonds
Which portion or portions of the nucleotide make up the backbone of the DNA molecule?
the sugar deoxyribose and the phosphate group
the sugar deoxyribose
the phosphate group
nitrogenous bases
Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, neither, or both.
There is a single origin of replication.
prokaryotic
eukaryotic
both
neither
Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, or both.
The chromosome structure is linear.
prokaryotic
eukaryotic
both
neither
Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, or both.
The enzyme telomerase is present.
prokaryotic
eukaryotic
both
neither
Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, neither, or both.
DNA replication goes in 2 directions - with a leading strand and a lagging strand.
prokaryotic
eukaryotic
both
neither
Determine if the following describes DNA, RNA, neither or both
The monomers are nucleotides.
DNA
RNA
Neither
Both
Determine if the following describes DNA, RNA, neither, or both
Is single stranded
DNA
RNA
Neither
Both
Determine if the following describes DNA, RNA, neither, or both
Contains the sugar deoxyribose
DNA
RNA
Neither
Both
Determine if the following describes DNA, RNA, neither, or both
Contains a phosphate
DNA
RNA
Neither
Both
What is the codon for phenylalanine?
(a)
Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, or both.
The enzyme telomerase is present.
prokaryotic
eukaryotic
both
neither
