The process where mRNA copies the genetic code from DNA is called __________.
Transcription
100
Name one thing in our bodies that is made of protein.
Skin, muscles, hair, etc.
200
What does DNA stand for?
Deoxyribonucleic Acid
200
If the mRNA codon is UAG, then what is its complimentary tRNA anticodon?
AUC
200
Proteins are made up of long chains of __________.
Amino acids
200
If the tRNA anticodon is CGC, then what is the amino acid?
Alanine
200
Many chromosome mutations result when chromosomes fail to separate properly during ___________.
A. mitosis
B. meiosis
C. DNA replication
D. transcription
B. meiosis
300
What is the bond called that holds two nitrogenous base pairs together?
Hydrogen
300
What is the name of the sugar found in RNA?
Ribose
300
If a frameshift mutation from exposure to radiation caused a segment of RNA to change from AUC to UAG, what would happen to the protein during translation?
It would stop
300
Where does translation take place?
In the cytoplasm at a ribosome
300
Which of the following would be LEAST likely to happen as a result of a mutation to a person's skin cells?
A. skin cancer
B. damage to the skin cells
C. the person's offspring having mutated skin
D. no change in the skin cell
C. the person's offspring having mutated skin
400
What is the process called where DNA makes an exact copy of itself?
Replication
400
Which nitrogenous base would never be found in RNA?
Thymine
400
What amino acid would pair up with the beginning DNA bases TAC?
Methionine
400
What is the bond called that holds two amino acids together?
Peptide bond
400
Which of the following would NOT contain DNA?
A. A dead piece of wood
B. A banana
C. Blood
D. A rock
D. A rock
500
During what phase of the cell cycle does DNA make a copy of itself?
S-phase of Interphase
500
If a sequence of codons on DNA is A-T-G-A-A-C-G-G-T, what is the corresponding strand of mRNA?
U-A-C-U-U-G-C-C-A
500
If exposure to radiation caused a segment of DNA to change from TTC to TTT, what would happen to the protein during translation?
Nothing would happen
500
Where does DNA replication take place?
In the nucleus
500
Name three things that could cause DNA mutation?
Ionizing radiation
Carcinogenic chemicals
High heat
Certain viruses