Exam I (BIOL3101) (Fall 2018) Name I. Multiple choiees: (2 points each) 1. The m

Question

Exam I (BIOL3101) (Fall 2018) Name I. Multiple choiees: (2 points each) 1. The main function of cutin and wax in plants is to a. serve as a structural component of cellular membranes b. prevent water loss c. catalyze chemical reactions d. provide strength to cell wall e. serve as hormones 2. Cellulose a composed of subunits. a. disaccharide; a-glucose b. polysaccharide; a-glucose c. polysaccharide; -glucose d. polysaccharide; fructose 3. Which of following chemical linkages generates branches in amylopectin? a. p-1, 4 glycosidic linkage b, -1, 6 glycosidic linkage c. -1,4 glycosidic linkage d. -1, 6 glycosidic linkage e. -1, 2 glycosidic linkage 4. Cellulose molecules in the cell wall are organized into (or bundled into) a. desmotubules b. plasmodesmata c. microfibrils d. middle lamella 5. Nitrogen (N) can be found in a. proteins b. oils c. fats d. carbohydrates How do polar amino acids interact with each other? 6. a. through ionic bonds b. through hydrogen bonds c. through peptide bonds d. through hydrophobic interactions 7. Which of following consists of amino acids as monomers? a. protein b. starch c. cellulose d. oil e. fat 8. The difference between amylose and amylopectin is that a. amylose is a starch, but amylopectin is a glycogen b. amylose is linear, but amylopectin is branched

Explanation / Answer

1) The main function of cutin and wax in plants is to (b) prevent water loss.

2) Cellulose a (c) polysaccharide composed of b-glucose.

3) Which of the following chemical linkages generates branches in amylopectin? (d) alpha-1,6 glycosidic linkage

4) Cellulose molecules in the cell wall are organized into (or bundled into) (c) microfibrils.

5) Nitrogen can be found in (a) proteins

6) How do polar amino acids interact with each other? (b) through hydrogen bonds

7) Which of the following consists of amino acids as monomers? (a) protein

Related Questions

Navigate

• Browse (All)
• Browse E
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.