A segment of a DNA strand is show below.
Which of these is the correct complementary DNA strand for the segment shown?
Four different nucleotides are used as building blocks of DNA.
The difference between nucleotides is the . If a nucleotide has the base adenine, the complementary nucleotide would contain .
Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?
Label the structure of the nucleotide below.
A model of DNA is shown.
Which part of the DNA model is most directly associated with the coding of genetic information?
How does DNA in cells determine an organism's complex traits?
Observe the diagram below and complete the sentence that follows.
The green arrow identifies the responsible for .
Which table shows two steps of DNA replication?
A diagram of the steps in the production of a protein is shown below.
One key difference in this process is that Step A represents and results in , while Step B represents and results in .
Identify the processes in the table below:
Protein Synthesis
Transcription
Translation
DNA Replication
Complete the model of protein synthesis below.
A partial DNA segment and an mRNA codon chart are shown.
To complete this question, first the DNA sequence must be . The mRNA sequence would be .
This sequence is then to the protein .
Mutations that occur in cells can pass down to the offspring because .
Mutations that occur in cells WILL NOT pass down to offspring because .
Identify the following mutations:
A strand of mRNA reads:
Which of the following mutations would cause the greatest impact on the protein produced?
Observe the mutations in the diagram below.
Which statement is best supported by the diagram?
Complete the mutated amino acid sequence and determine the type of mutation.
ALA
STOP
Silent Substitution
Non-Silent Substitution
MET
VAL
Insertion
Deletion
ISO
Complete the mutated amino acid sequence and determine the type of mutation.
MET
VAL
Insertion
ALA
STOP
ISO
Non-Silent Substitution
Silent Substitution
Deletion
This mutation is considered a(n) mutation because .
A frameshift mutation occurs when... (SELECT ALL THAT APPLY!)
A group of scientists placed four groups of icefish embryos (group of cells that will become a baby) into water tanks at various incubation (heat) temperatures. After 24 hours, they counted to see how many embryos developed normally and how many had some type of mutation damage. Their results are shown below.
What can scientists conclude about the effect of temperature on developing icefish embryos?
Liver cells and neurons are two cells found in the human body with highly specialized functions.
Which is the best explanation for why these cells perform different functions if their nucleus contains the same DNA?
How does DNA relate to gene expression and cell differentiation?
