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- 1. Multiple Choice
A nucleotide does NOT contain
sugar
polymerase
nitrogen base
phosphate group
- 2. Multiple Choice
Which of the following nucleotides bonds with uracil?
guanine
cytosine
thymine
adenine
- 3. Multiple Choice
What breaks the H- bonds in order for DNA to separate during replication and protein synthesis?
Enzyme (RNA polymerase)
nitrogen bases
the nucleus
RNA
- 4. Multiple Choice
DNA is copied into 2 new strands of DNA during a process called:
replication
translation
transcription
transformation
- 5. Multiple Choice
In DNA replication, a section of DNA with bases ATTC will line up with bases:
GAAC
AUUG
ATTC
TAAG
- 6. Multiple Choice
One difference between DNA and RNA is that
DNA= 1 strand
DNA contains ribose sugar
DNA has a double strand
RNA is more complex
- 7. Multiple Choice
The process by which the genetic code of DNA is copied into a strand of mRNA is called:
translation
transformation
transcription
replication
- 8. Multiple Choice
A group of 3 letters representing an amino acid is called:
nucleotide
ribosome
codon
anticodon
- 9. Multiple Choice
If the triplet code in DNA is AGT, then the mRNA codon would be:
TCA
AGT
TCU
UCA
- 10. Multiple Choice
What happens during the process of translation?
mRNA is made from DNA
mRNA attaches o tRNA and makes protein
copies of DNA molecules are made
transfer RNA is made from mRNA
- 11. Multiple Choice
In protein synthesis, amino acids are brought to the ribosome by:
DNA
mRNA
tRNA
rRNA
- 12. Multiple Choice
Changes in the DNA sequence that affect genetic information are known as:
replications
transformations
mutations
prokaryotes
- 13. Multiple Choice
A mutation that involves a single nucleotide is called:
chromosomal mutation
point mutation
inversion
translocation
- 14. Multiple Choice
DNA controls our heredity by coding for what substance in our body?
fats
carbohydrates
proteins
lipids
- 15. Multiple Choice
what is the role of DNA?
control the cell
makes proteins
store and transmit genetic information for the cell
cellular respiration
- 16. Multiple Choice
Which codons code for the amino acid serine?
AAA and AAG
CUA and CUG
UCU and AGU
GAG and GAA
- 17. Multiple Choice
How many nitrogen bases are needed to specify 1 amino acid?
1
2
3
9
- 18. Multiple Choice
How many nitrogen bases are needed to specify 3 amino acids?
3
6
9
12
- 19. Multiple Choice
Which of the following is a “stop” codon?
AAG
UGC
UGA
UGG
- 20. Multiple Choice
The codon UUU codes for the amino acid:
threonine
phenylalanine
glycine
leucine
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