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WorksheetsUnit 3 Test Review
Total questions: 90
Worksheet time: 1hrs 11mins
In what process is mRNA synthesized?
Transcription
Translation
DNA Replication
Mitosis
Where does TRANSCRIPTION occur?
Nucleus
Ribosome
Cytoplasm
Mitochondria
Why must transcription occur where DNA can be found?
because DNA can't leave the nucleus
because ribosomes are in the nucleus
because DNA polymerase is found there
because helicase unzips the DNA
Which of the following is a codon (think RNA)?
ATG
AUG
AUT
On which molecule can an anticodon be found?
mRNA
DNA
tRNA
rRNA
What is the purpose for anti-codons?
to ensure the correct amino acid is dropped off
to match the strand of DNA
to decode a sequence of 4 nucleotides into an amino acid
to make me hate biology
A polypeptide is a sequence of ____________________ held together by a ______________ bond.
amino acids; peptide
fatty acids; ionic
proteins; hydrogen
fatty acids; covalent
Which two thing are found on a molecule of tRNA?
amino acids; anticodons
amino acids; codons
ribose sugar; proteins
deoxyribose sugar; codons
How do you know when to begin translating a strand of mRNA?
look for AUG
start at the beginning
look for ATG
when Ms. H tells me to
How do you know when to STOP translating a strand of mRNA?
look for STOP on the decoder
stop at the end of the strand
you don't
when Ms. H tells me to
TRANSCRIBE this DNA sequence: TACGTTACT
AUGCAAUGA
ATGCAATGA
AUGGATUGA
TACGTTACT
TRANSLATE this RNA sequence: AUGCAAUGA
Met-Glu-Stop
Met-His-Stop
Thr-Glu-Stop
Thr-Pro-Stop
A DNA nucleotide may be made up of a phosphate group, along with
deoxyribose sugar and uracil
ribose sugar and cytosine
deoxyribose sugar and thymine
ribose sugar and adenine
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)
amino acids
nucleotides
fatty acids
polysaccharides
Which of the following are differences in the structure between RNA and DNA
DNA uses deoxyribose sugar, RNA uses sugar ribose
DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine
DNA is a double helix, RNA is a single helix
DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil
Which organelle is the location where protein is made?
Ribosome
Nucleus
Cytoplasm
Nucleotide
During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.
tRNA
mRNA
rRNA
dRNA
When these bond together, they form a protein
Amino Acids
Peptide Bonds
Ribose
Nucleotides
These building blocks consist of a sugar, phosphate, and nitrogen base.
Ribose
Nucleotide
Gene
Protein
A string of nucleotides that contain the information to make a specific protein
Ribose
Amino Acids
tRNA
Gene
During translation, this type of ribonucleic acid is responsible for delivering amino acids to help make a protein.
mRNA
rRNA
tRNA
dRNA
mRNA occurs during this process
Translation
Transcription
Replication
Delivery
Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA
UUGACUU
TTGACTT
AACTGAA
AACUGAA
Which is not a phase of the cell cycle?
Interphase
Mitosis
Cytokinesis
Duplication
Select all stages of interphase?
G1
S
G2
Mitosis
In which stage of the cell cycle does the cell grow in size?
G1
S
G2
Mitosis
In which stage of the cell cycle does the cell duplicate its DNA?
G1
S
G2
Mitosis
In which stage of the cell cycle does the cell split into two?
Mitosis
G1
Cytokinesis
S
In which stage of the cell cycle does nuclear splitting take place?
G2
S
Mitosis
Cytokinesis
In which stage of the cell cycle is protein and organelle synthesis?
G1
G2
S
Cytokinesis
_____ is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells
Cancer
Apoptosis
Radiation
DNA is replicated during the ______ phase of the cell cycle.
G1
S phase
G2
G0
During interphase the cell ___________.
divides into two cells
divides its nucleus
replicates its DNA (S phase)
replicates the organelles within the cell (G2 phase)
CAT TCA CTG
1. Recoil
2. Straightens the double helix
3. Breaks Hydrogen bonds
4. Adds Free nucleotides
AATCATGGA
