DNA
What is the shape of DNA?
Double Helix
Every three basses of mRNA are called a ____?
Codon
True or false: Earthworms use the same genetic code as humans?
True
The process of mRNA copies genetic code from DNA is called____?
Transcription
Name one thing in our bodies that are made of proteins.
Skin, muscles, hair.
What does DNA stand for?
Deoxyribonucleicacid
If the mRNA codon is UAG, then what is its complementary tRNA anticodon?
AUC
Proteins are made up of long chains of _____?
Amino acids
If the tRNA anticodon is CGC, then what is the amino acid?
Alanine
Many chromosome mutations result when chromosomes fail to separate properly during_____?
Meiosis
What is the bond called that holds nitrogenous base pairs together?
Hydrogen
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
What is the name of the sugar found in RNA?
Ribose
Where does translation take place?
Which of the following would be least likely to happen as a result of a mutation to a person's skin cells?
The person's offspring having mutated skin.
What is the process called where DNA makes an exact copy of itself?
Repllication
What amino acid would pair up with the beginning DNA bases TAC?
Methionine
Which nitrogenous base would never found in RNA?
Thymine
What is the bond called that holds two amino acids together?
Peptide bond
Which of the following would not contain DNA?
A rock
During which phase of the cell cycle does DNA make a copy of itself?
S-phase of interphase
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
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
where does DNA replication take place?
In the nucleus
Name one thing that could cause DNA mutation?
High heat