116) What are Okazaki fragments? A) sections of RNA prior to splicingB) termination codonsC) initiation factorsD) sections of DNA formed during replicationE) proteins that target other cell proteins for degradationAnswer: DDiff: 6 Page Ref: 5025
117) During what phase of the cell cycle is the cell carrying out its normal activity and NOT involved directly in cell division? ADiff: 4 Page Ref: 51 118) During what phase of the cell cycle does cellular replication of DNA occur? DDiff: 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. CDiff: 4 Page Ref: 51 120) Which of the following is NOT a phase of mitosis? A) meiosisB) prophaseC) metaphaseD) telophaseE) anaphaseAnswer: ADiff: 3 Page Ref: 51 121) During what phase of cell division do chromosomes align along the midline? E Diff: 3 Page Ref: 51 26
122) During what phase of cell division do two new nuclear envelopes begin to redevelop? CDiff: 3 Page Ref: 51 123) What links sister chromatids together? CDiff: 4 Page Ref: 512.2 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 thesulfhydryl 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 27
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.
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