What are okazaki fragments a sections of rna prior to

116) What are Okazaki fragments?
A) sections of RNA prior to splicing
B) termination codons
C) initiation factors
D) sections of DNA formed during replication
E) proteins that target other cell proteins for degradation
Answer: D
Diff: 6 Page Ref: 50
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117) During what phase of the cell cycle is the cell carrying out its normal activity and NOT
involved directly in cell division?
A
Diff: 4 Page Ref: 51
118) During what phase of the cell cycle does cellular replication of DNA occur?
D
Diff: 4 Page Ref: 51
119) During what phase of the cell cycle does rapid protein synthesis occur as the cell grows to
double its size.
C
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120) Which of the following is NOT a phase of mitosis?
A) meiosis
B) prophase
C) metaphase
D) telophase
E) anaphase
Answer: A
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121) During what phase of cell division do chromosomes align along the midline?
E
Diff: 3 Page Ref: 51
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122) During what phase of cell division do two new nuclear envelopes begin to redevelop?
C
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123) What links sister chromatids together?
C
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2.2 True/False Questions
1) Sucrose is a disaccharide composed of a glucose and a lactose molecule.
Diff: 4 Page Ref: 20
2) Disulfide bridges contribute to the tertiary structure of proteins by covalent bonds between the
sulfhydryl groups on two cysteine amino acids.
Diff: 4 Page Ref: 24
3) Cholesterol is the precursor molecule for all steroids in the body.
Diff: 4 Page Ref: 23
4) Glycoproteins have a glycogen molecule covalently bound to a protein.
Diff: 4 Page Ref: 30
5) Cyclic nucleotides form ring structures due to the covalent bonding between an oxygen of the
phosphate group and a carbon of the carbohydrate.
Diff: 7 Page Ref: 26
6) Thymine is a pyrimidine.
Diff: 3 Page Ref: 26
7) Guanine and cytosine are held together by two hydrogen bonds.
Diff: 4 Page Ref: 26
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8) Inclusions are intracellular stores of glycogen or triglycerides.
Diff: 4 Page Ref: 32
9) The innermost compartment of a mitochondrion is called the matrix.
Diff: 3 Page Ref: 35
10) Vaults direct the development of the mitotic spindle during cell division.
Diff: 3 Page Ref: 36
11) The cytoskeleton suspends the organelles within the cytoplasm.
Diff: 3 Page Ref: 37
12) Movement between cells in an epithelium is called transepithelial transport.
Diff: 5 Page Ref: 39
13) Anabolism describes the breakdown of large molecules to smaller molecules.