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WorksheetsUnit 6 AP Biology Part 1
Total questions: 35
Worksheet time: 27mins
Which of the following are pyrimidines?
adenine and cytosine
adenine and guanine
adenine and thymine
cytosine and guanine
cytosine and thymine
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
Which is not a component of DNA nucleotides?
Ribose sugar
Phosphate
Nitrogenous base
Deoxyribose sugar
Eukaryotic DNA is located in
the nucleus
the cytoplasm
anywhere in the cell
During transcription, what is the relationship between DNA and RNA?
DNA is the template, RNA reads DNA in 3' -> 5' direction
DNA is the template, RNA reads DNA in 5' -> 3' direction
RNA is the template, DNA reads RNA in 3' -> 5' direction
RNA is the template, DNA reads RNA in 5' -> 3' direction
What is the sequence of nucleotides on mRNA read in triplets called?
anticodon
codon
triplet box
wobble
Identify which molecules bind to the promoter region
Ligase
Topoisomerase
DNA polymerase
RNA polymerase
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 circular DNA
Prokaryote has double stranded DNA, Eukaryotes has single stranded DNA
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
Which of the following demonstrates base pairing rules to 5' - CAGGT - 3'?
3' - TGGAC - 5'
3' - GTCCA - 5'
5' - GTCCA - 3'
5' - CAGGT - 3'
Translation is a process where:
a polypeptide sequence is produced from a sequence of rRNA codons.
a polypeptide sequence is produced from a sequence of tRNA codons.
a polypeptide sequence is produced from a sequence of mRNA codons.
a DNA nucleotide sequence is used to produce mRNA codon sequence.
Where on the DNA does the enzyme responsible for transcription bind?
Promoter
Enhancer
Polyadenylation sequence
Start codon
Where does transcription take place in a eukaryote?
Nucleus
Endoplasmic reticulum
Cytosol
Ribosome
Which of the following is the site for translation?
Ribosome
Nucleus
Golgi bodies
Cytosol
Which of the following is the start codon?
UGA
AUG
GUA
GAU
What is the function of the P site in the large subunit?
To phosphorylate the polypeptide
To hold the growing polypeptide
To assist with the tertiary structure of the polypeptide
To perform the base pairing for the polypeptide
Which of the following describes the process of translation?
Codon recognition, peptide bond formation, translocation
Anticodon recognition, ionic bond formation, translocation
Codon recognition, ionic bond formation, translocation
Anticodon recognition, peptide bond formation, translocation
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
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 enzyme is responsible for relaxing supercoiling in front of the replication fork?
helicase
DNA polymerase
topoisomerase
ligase
Which enzyme is responsible for unzipping the DNA strands?
helicase
DNA polymerase
topoisomerase
ligase
Which enzyme is responsible for joining the fragments on the lagging strand?
helicase
DNA polymerase
topoisomerase
ligase
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
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
How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though they look and perform completely different?
The two different cells become mutated
The proteins expressed in each cell are different
They actually have different DNA in the two types of cells.
The genome of the different cells changes
5'-AUG-UCU-UCG-UUA-UCC-UUG-3'
