17. What is the function of the rough ER? a. To synthesize membrane or secretory

Question

17. What is the function of the rough ER? a. To synthesize membrane or secretory proteins b. To receive, process, and package proteins and lipids into their functional configuration c. Intracellular digestion d. To synthesize the lipids that will eventualy end up in the cell membrane 18 What is the name of the double-membrane-bound organelle that provides protection in eukaryotic cells? a, mitochondrion 19. How do bacterial ribosomes differ from eukaryotic cytoplasmic ribosomes? b. nucleus c nucleolus d. ribosome a bacterial ribosomes produce proteins, eukaryotic ribosomes do not b eukaryotic ribosomes produce proteins, bacterial ribosomes do not c bacterial ribosomes are smaller than eukaryotic ribosomes d. bacterial ribosomes are larger than eukaryotic ribosomes 20 How does bacterial DNA differ from eukaryotic nuclear DNA? a. Bacterial DNA is circular, eukaryotic DNA is linear b. Bacterial DNA is linear, eukaryotic DNA is circular c. Bacterial DNA forms a double helix eukaryotic DNA forms a single heli d. Bacterial DNA forms a single helix,eukaryotic DNA forms a double helix 21. Which of the following is not one of the tenets of cell theory? a. All living things are made up of cells. b. The molecule is the fundamental unit of life c. New cells only arise from preexisting cells d. All cells have DNA for inheritance 22. What is the greatest limiting factor to cell size? a. Surface-area to volume ratio b. Lack of skeleton c. The need for oxygen d. The need to divide for reproduction

Explanation / Answer

Ans 17:

(a) to synthesise membrane or secretory protein.

Rough ER is the site of translation of those proteins which are destined for transport to Plasma membrane or to outside of cell.

18. (b) Nucleus

19. (C) bacterial ribosomes are smaller.

20. (a) bacterial dna is circular, Eukaryotic DNA is linear.

21. (b) molecule is fundamental unit of life is false, its cell which is fundamental unit of life.

22. (a) SA/V ratio.

Thanks!!

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

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