Benchmark #2
Quiz by Jaclyn Robbins
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- Q 1/45Score 0
Which statement best compares a small-scale substitution and a small-scale insertion mutation?
29A substitution mutation removes a nucleotide from the DNA, while an insertion mutation adds a nucleotide.
A substitution mutation replaces a nucleotide,while an insertion mutation maintains the original DNA.
A substitution mutation affects one codon,while an insertion mutation affects every codon after the mutation.
A substitution mutation changes the resulting protein, while an insertion mutation does not.
- Q1
Which statement best compares a small-scale substitution and a small-scale insertion mutation?
A substitution mutation removes a nucleotide from the DNA, while an insertion mutation adds a nucleotide.
A substitution mutation replaces a nucleotide,while an insertion mutation maintains the original DNA.
A substitution mutation affects one codon,while an insertion mutation affects every codon after the mutation.
A substitution mutation changes the resulting protein, while an insertion mutation does not.
30s - Q2
An organism has two known mutations. Mutation 1 is a small-scale mutation in an egg cell. Mutation 2 is a large-scale mutation in a lung cell. Which BEST describes the mutation that the organisms' offspring can inherit?
Mutation 1, because it occurs in a germ cell.
Mutation 2, because it is a large-scale mutation.
Mutation 2, because it occurs in a somatic cell.
Mutation 1, because it is a small-cell mutation.
30s - Q3
A scientist views a mutation where a gene is repeated on the chromosome. Which best describes the mutation?
It is a large-scale translocation mutation where genes are recombined.
It is a large-scale duplication mutation where a gene is overexpressed.
It is a small-scale substitution inversion mutation where a nucleotide is removed.
It is a small-scale insertion mutation where a new nucleotide is introduced.
30s - Q4
Which describes a characteristic of a harmful mutation?
It does not change the amino acid in a protein.
It cannot be inherited by offspring.
It prevents a protein from functioning.
It is unaffected by natural selection.
30s - Q5
Which of the following best describes what is occurring in Model 2?
Cell differentiation
Protein Synthesis
Mitosis
Meiosis
30s - Q6
Based on Figure 2, which statement correctly describes a substitution mutation?
A substitution mutation adds a nucleotide into the DNA sequence, causing the remainder of the sequence to change.
A substitution mutation adds a nucleotide into the DNA sequence while leaving the remainder of the sequence unchanged.
A substitution mutation replaces one nucleotide with another while leaving the remainder of the sequence unchanged.
A substitution mutation replaces one nucleotide with another, causing the remainder of the sequence to change.
30s - Q7
Which statement best explains how crossing over and mutations affect genetic variations in a population?
Crossing over increases genetic variation while mutations do not.
Mutations only create genetic variation during meiosis while crossing over occurs at random to create genetic variation.
Crossing over always creates genetic variation during meiosis while mutations occur at random to create genetic variation.
Mutations increase genetic variation while crossing over does not.
30s - Q8
What is the correct order of mitosis?
Users link answersLinking30s - Q9
Which statement correctly describes protein synthesis?
A section of DNA undergoes transcription and translation in order to synthesize a protein. As amino acids are put together,their sequence determines the way in which they will fold into a three-dimensional structure. It is the shape of the folded structure that determines its function.
A section of DNA undergoes replication and mutation in order to synthesize a protein. As amino acids are put together, their size determines the way in which they will fold into a three-dimensional structure. It is the length of the folded structure that determines its function.
A section of DNA undergoes replication and mutation in order to synthesize a protein. As amino acids are put together,their sequence determines the way in which they will fold into a three-dimensional structure. It is the shape of the folded structure that determines its function.
A section of DNA undergoes transcription and translation in order to synthesize a protein. As amino acids are put together,their size determines the way in which they will fold into a three-dimensional structure. It is the length of the folded structure that determines its function.
30s - Q10
What BEST describes a substitution mutation?
A substitution mutation replaces a nucleotide.
A substitution mutation affects one codon.
A substitution mutation changes the resulting protein.
A substitution mutation removes a nucleotide from the DNA.
30s - Q11
What BEST describes an insertion mutation?
An insertion mutation maintains the original DNA.
An insertion mutation removes a nucleotide.
An insertion mutation potentially affects every codon after the mutation.
An insertion mutation does not change the resulting protein.
30s - Q12
Which statement explains why the structure of sickle cells differs from normal red blood cells?
The gene mutation affects the cell’s ability to produce ATP.
The gene mutation affects protein synthesis.
The gene mutation prohibits DNA replication.
The gene mutation inhibits the cell’s ability to produce tRNA.
30s - Q13
An enzyme unzips two strands of DNA. A section of the original strand is shown.
G A A G T C G G CA
Which complimentary bases will an enzyme attach to the strand?
A G C T G A T T C C
G A T C A G C C T T
T G C A G T A A C C
C T T C A G C C G T
30s - Q14
Which best compares the two polypeptides?
The resulting proteins will have similar functions because the polypeptides were transcribed from similar strands of DNA.
The resulting proteins will have similar functions because the polypeptides contain the same number of amino acids.
The resulting proteins will have different functions because the polypeptides contain a different sequence of amino acids.
The resulting proteins will have different functions because the amino acids in the polypeptides are held together by different bonds.
30s - Q15
Nerve cells look very different from red blood cells. Nerve cells transmit nerve impulses through the body. Red blood cells carry oxygen in the blood. Why are the cell types different?
The cell types are the result of different proteins that are determined through gene expression (epigenetics).
The cell types are the result of different replication errors which are passed onto daughter cells.
The cell types are determined based on the number of cell divisions they go through.
The cell types are determined based on the number of cell divisions they go through.
30s
