1 This subcellular compartment is responsible from aiding peptide bond formation

Question

1 This subcellular compartment is responsible from aiding peptide bond formation between amino acids and creating the polypeptide chain. A) Peroxisomes B) Smooth endoplasmic reticulum C) Rough endoplasmic reticulum D) Ribosomes 2 The Rough ER has been named as such because of the presence of, A) Free ribosomes B) Attached ribosomes C) Nucleus in close proximity D) Smooth ER 3 The resemblance of mitochondria and chloroplasts gave Scientists the idea of A) Endosymbiosis B) Sun being the ultimate source of energy C) Parasitism D) Mutualism 4 Chloroplasts have a membrane system in the interior called A) chloroplast membrane B) chlorophy C) thylakoid D) double membrane

Explanation / Answer

1. d. ribosomes

2. b. attached ribosomes

ribosomes atttached to the endoplasmic reticulum gives it a rough appearance.

3. a. endosymbiosis

4. c. thylakoid

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