Which of the following proteins would not need localization signal? A- A nuclear protein B- A cytosolic protein C- A protein bound to the endoplasmic reticulum (ER) membrane D- A cell surface protein

Which of the following proteins would not need localization signal?
A- A nuclear protein
B- A cytosolic protein
C- A protein bound to the endoplasmic reticulum (ER) membrane
D- A cell surface protein
by

1 Answer

Answer :

A cytosolic protein
by

Related questions

Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in vesicles and secretory granules d. moved across the cell membranes by endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

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Last Answer : found in vesicles and secretory granules

The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin

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Last Answer : Answer : D

The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

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Last Answer : Answer : B

Describe how proteins that are synthesized in the endoplasmic reticulum (ER) are transported to their final destination.

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Last Answer : Proteins that are synthesized in the ER have a signal sequence that directs them to their target destination. Soluble proteins are carried inside the lumen of vesicles. Cargo-bearing vesicles ... lysosomes or plasma membrane. Vesicles that have released their cargo return via the reverse direction.

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Last Answer : (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

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Last Answer : Mitochondria; also chloroplasts

All the following statements regarding calcium are correct except (A) It diffuses as a divalent cation (B) It freely diffuses across the endoplasmic reticulum of muscle cells (C) It can exist in the blood as ionic form and also protein bound (D) It is found in high concentration in bones

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Last Answer : Answer : B

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Last Answer : (d) on ribosomes present in cytoplasm as well as in mitochondria.

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