Which of these statements is the best definition of a gene?
Select one:
a. A piece of RNA that can be translated into a protein
b. A region of the chromosome with a dense concentration of phospholipid
c. A stretch of DNA with a replication origin close by
d. A region of DNA that can make at least one RNA molecule
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d. A region of DNA that can make at least one RNA molecule
What key feature is common to all viruses?
Select one:
a. They have no membrane-bound nucleus
b. They depend on a host cell to replicate
,c. They have a unique genetic code
d. They use sexual reproduction
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b. They depend on a host cell to replicate
What is the major event that happens during anaphase of mitosis?
Select one:
a. Sister chromatids separate
b. Nuclear envelope breaks down
c. Chromosomes become very condensed
d. Cytoplasm is divided into two
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a. Sister chromatids separate
Wild-type alleles are:
Select one:
a. Wild-type
b. Recessive
c. Dominant
d. Depends on the gene
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a. Wild-type
,How big is the average protein in humans?
Select one:
a. 500 basepairs
b. 500 nucleotides
c. 500 amino acids
d. 500 monosaccharides
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c. 500 amino acids
This is the sequence of one strand of a DNA molecule: 5'-AGGTTCA-3'. Which of these
is the correct strand of DNA that would pair perfectly with it?
Select one:
a. 5'-TCCAAGT-3'
b. 5'-UCCAAGU-3'
c. 5'-TGAACCT-3'
d. 5'-AGGTTCA-3'
e. none of these would be a perfect match
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c. 5'-TGAACCT-3'
In which kind of molecule do you expect to find a phosphodiester bond?
Select one:
a. sugar
b. protein
c. carbohydrate
d. DNA
, e. phospholipid
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d. DNA
Which is a critical protein that makes new nucleic acid during transcription?
Select one:
a. RNA polymerase
b. DNA helicase
c. Primase
d. DNA polymerase
e. 3' to 5' exonuclease
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a. RNA polymerase
What is the name given to the region between the start and stop codon of a protein-
coding gene?
Select one:
a. The TATA box
b. The open reading frame
c. The poly-A tail
d. The promoter
e. The splice sites
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Select one:
a. A piece of RNA that can be translated into a protein
b. A region of the chromosome with a dense concentration of phospholipid
c. A stretch of DNA with a replication origin close by
d. A region of DNA that can make at least one RNA molecule
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d. A region of DNA that can make at least one RNA molecule
What key feature is common to all viruses?
Select one:
a. They have no membrane-bound nucleus
b. They depend on a host cell to replicate
,c. They have a unique genetic code
d. They use sexual reproduction
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b. They depend on a host cell to replicate
What is the major event that happens during anaphase of mitosis?
Select one:
a. Sister chromatids separate
b. Nuclear envelope breaks down
c. Chromosomes become very condensed
d. Cytoplasm is divided into two
Give this one a try later!
a. Sister chromatids separate
Wild-type alleles are:
Select one:
a. Wild-type
b. Recessive
c. Dominant
d. Depends on the gene
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a. Wild-type
,How big is the average protein in humans?
Select one:
a. 500 basepairs
b. 500 nucleotides
c. 500 amino acids
d. 500 monosaccharides
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c. 500 amino acids
This is the sequence of one strand of a DNA molecule: 5'-AGGTTCA-3'. Which of these
is the correct strand of DNA that would pair perfectly with it?
Select one:
a. 5'-TCCAAGT-3'
b. 5'-UCCAAGU-3'
c. 5'-TGAACCT-3'
d. 5'-AGGTTCA-3'
e. none of these would be a perfect match
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c. 5'-TGAACCT-3'
In which kind of molecule do you expect to find a phosphodiester bond?
Select one:
a. sugar
b. protein
c. carbohydrate
d. DNA
, e. phospholipid
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d. DNA
Which is a critical protein that makes new nucleic acid during transcription?
Select one:
a. RNA polymerase
b. DNA helicase
c. Primase
d. DNA polymerase
e. 3' to 5' exonuclease
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a. RNA polymerase
What is the name given to the region between the start and stop codon of a protein-
coding gene?
Select one:
a. The TATA box
b. The open reading frame
c. The poly-A tail
d. The promoter
e. The splice sites
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