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WorksheetsAP Biology Unit 6 Topic 1, 2 and 3
Total questions: 17
Worksheet time: 9mins
How does the DNA in a prokaryote differ from a eukaryote?
Prokaryote has circular DNA, Eukaryotes has linear DNA
Prokaryote has single stranded DNA, Eukaryotes has double stranded DNA
Prokaryote has linear DNA, Eukaryotes has prokaryote DNA
Prokaryote has double stranded DNA, Eukaryotes has single stranded DNA
Both eukaryotes and prokaryotes have plasmids. What are plasmids?
large extra-chromosomal, double-stranded, linear DNA molecules
large extra-chromosomal, double-stranded, circular DNA molecules
small extra-chromosomal, double-stranded, circular DNA molecules
small extra-chromosomal, double-stranded, linear DNA molecules
Identify which of the following best describes purines and pyrimidines.
Purines (C, T, & U) have single ring, Pyrimidines (A & G) have double ring
Purines (C, T, & U) have double ring, Pyrimidines (A & G) have single ring
Purines (A & G) have single ring, Pyrimidines (C, T, & U) have double ring
Purines (A & G) have double ring, Pyrimidines (C, T, & U) have single ring
Which of the following demonstrates base pairing rules to 5' - CAGGT - 3'
3' - TGGAC - 5'
3' - GTCCA - 5'
5' - GTCCA - 3'
5' - CAGGT - 3'
Which enzyme is responsible for relaxing supercoiling in front of the replication fork?
helicase
DNA polymerase
topoisomerase
ligase
Which enzyme is responsible for unwinding the DNA strands?
helicase
DNA polymerase
topoisomerase
ligase
Which enzyme is requires RNA primers to initiate DNA synthesis?
helicase
DNA polymerase
topoisomerase
ligase
Which enzyme is responsible for joining the fragments on the lagging strand?
helicase
DNA polymerase
topoisomerase
ligase
Describe the difference between the synthesis of the leading and lagging strands.
directionality: leading = 3' -> 5', lagging = 5' -> 3'
synthesis continuity: leading = discontinuous & lagging = continuous
directionality: leading = 5' -> 3', lagging = 3' -> 5'
synthesis continuity: leading = continuous & lagging = discontinuous
How do the three types of RNA work together?
mRNA carries message, tRNA carries amino acids, and rRNA makes ribosome
mRNA makes ribosomes, tRNA carries amino acids, and rRNA relays information
mRNA carries amino acids, tRNA transfer message, and rRNA makes ribosome
mRNA is made, tRNA holds the DNA in place, and rRNA removes the deoxyribose
Which of the following are NOT post-transcriptional modifications?
5' cap
intron removal
poly-A tail
TATA box
Where does translation take place in prokaryotes & eukaryotes?
Prokaryotes - cytosol; Eukaryotes - cytosol or nucleus
Prokaryotes - cytosol or rough ER; Eukaryotes - cytosol
Prokaryotes - cytosol; Eukaryotes - cytosol or rough ER
Prokaryotes - cytosol or nucleus; Eukaryotes - cytosol
What is the sequence of nucleotides on mRNA read in triplets called?
anticodon
codon
triplet box
wobble
How do retroviruses violate the central dogma?
Retroviruses are responsible for using DNA to synthesize more viral RNA
Retroviruses are pre-historic and existed prior to the central dogma
Retroviruses use enzymes to make DNA from RNA & integrate into host DNA
Retroviruses use host DNA to make viral RNA, then incorporate into host DNA
Identify which molecules bind to the promoter region
Ligase
Topoisomerase
DNA polymerase
RNA polymerase
A nucleic acid contains 35% adenine, 36% thymine, 14% guanine, and 15% cytosine. This nucleic acid is
single-stranded RNA
single-stranded DNA
double-stranded RNA
double-stranded DNA
A nucleic acid consists of 29% cytosine, 35% uracil, 10% adenine, and 26% guanine. This nucleic acid is
single-stranded RNA
single-stranded DNA
double-stranded RNA
double-stranded DNA
