CHAPTER 2 Cell Structures and Cell Division 37 3. Proteins: (a) govern chemical
ID: 200683 • Letter: C
Question
CHAPTER 2 Cell Structures and Cell Division 37 3. Proteins: (a) govern chemical reactions within the cell. (b) are produced by ribosomes. (c) may reside within the cell membrane. (d) may be hydrophilic or hydrophobic, depending on how they are folded. (e) all are correct. 4. The endoplasmic reticulum: (a) is the site of oxidative metabolism. (b) increases the surface area available for chemical reactions. (c) is created by folds within the nuclear membrane. (d) is the area in which wastes are digested by the cell. (e) b and d are correct. 5. Mitochondria: (a) are frequently found on the surface of the endoplasmic reticulum. (b) are the site of oxidative metabolism. (c) contain distinct DNA structures. (d) can replicate themselves. (e) all are correct. (f) b, c, and d are correct. 6. Meiosis: (a) is carefully conducted to preserve the integrity of individual chromosomes. (b) creates four haploid cell from one precursor diploid cell (c) provides exchange of genetic material between sister chromatids. (d) occurs only in prokaryotic cells. (e) b and c are correct.Explanation / Answer
3 answer is e) all correct
4 answer is e) b and d correct
5 answer is f) b,c and d correct
6 answer is e) b and c correct