WorksheetsBiology DNA Protein Synthesis Test Review
Total questions: 20
Worksheet time: 13mins
What are DNA and RNA nucleotides made of?
Sugar, Phosphate, and Nitrogenous Base
Phosphate, Adenine, and Nitrogenous Base
Sugar and Phosphate
Phosphate and Nitrogenous Base
Which of the following best describes a DNA molecule?
It is shaped as a double helix.
It contains ribose sugar.
It is made of amino acids.
It is single-stranded.
Which of the following answers correctly pairs the nitrogenous bases in DNA?
Adenine = Thymine & Cytosine = Guanine
Adenine = Uracil & Cytoplasm = Guanine
Adenine = Cytosine & Uracil = Guanine
Adenine = Cytosine & Thymine = Guanine
Which of the following statements is correct?
DNA and RNA must stay inside the cell nucleus.
DNA stays in the cell nucleus and RNA can leave the nucleus.
RNA stays in the cell nucleus and DNA can leave the nucleus.
DNA and RNA can go into and out of the cell nucleus.
Which sequence of DNA bases would pair with this DNA template strand?
ATG TGA CAG
ATG TGA CAG
TAC ACT GTC
GTA AGT GAC
CAT TCA CTG
In a DNA molecule, the amount of Adenine is always equal to the amount of:
Cytosine.
Guanine.
Thymine.
Uracil.
In a DNA molecule, the nitrogenous bases are joined by which type of bond?
Strong covalent bonds
Weak covalent bonds
Strong hydrogen bonds
Weak hydrogen bonds
DNA replication results in two DNA molecules,
each one with two original strands.
each one with two new strands.
each one with one new strand and one original strand.
one with two new strands and the other with two original strands.
What process synthesizes mRNA from DNA?
Translation
Transcription
DNA Replication
What process goes from mRNA to a protein?
Transcription
rRNA
DNA Replication
Translation
What mRNA sequence is made from the following DNA sequence?
GTAGTCA
UATUAGA
ACGACTG
CAUCAGU
CATCAGT
What is the main function of a tRNA molecule?
It carries the instructions to make proteins
It forms part of the ribosomes
It strings together complementary RNA and DNA strands
It brings amino acids from the cytoplasm to the ribosomes
What amino acid is represented by the codon UUA?
Phenylalanine
Tyrosine
Leucine
Stop codon
What process is going on in this photo?
Transcription
Translation
DNA Replication
All the above
Where in the cell does translation occur?
Nucleus
Mitochondria
Ribosome
Chloroplast
What is the three-nucleotide sequence on mRNA that codes for a single amino acid?
Anticodon
Codon
Protein
What is the correct amino acid sequence for the mRNA code?
AUG CCA GUA
Met-Pro-Ala
Met-Pro-Val
Tyr-Gly-His
Tyr-Gly-Arg
How many amino acids are coded for by this sequence of nucleotides?
ATG GGA ACT CCA
4
2
6
12
The tremendous variety of proteins is due to the:
different sequences of DNA nucleotides.
millions of possible codons in mRNA.
millions of possible ways that amino acids can be ordered within a protein.
millions of different kinds of tRNA.
