Question 1For import into the nucleus, proteins require:Ran-GTPactive transportPex5an NESQuestion 2The nuclear envelope contains nuclear pore complexes (NPCs) that allow small molecules to pass but excludes macromoleculeslarger than 40 kDaTrueFalse

The nucleus is the compartment that is generally found in the centre of a eukaryotic cell and houses…

Answered: Question 1 For import into the nucleus,…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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QUESTION 31 Which molecule is displaced when a vesicle and its target membrane fuse? OA. Water OB. Phospholipids OC. SNARES OD. DNA O E. Cholesterol QUESTION 32 Which of the following is a possible explanation as to why a transcription factor that you expressed in the cytoplasm using a plasmid stayed in the cytoplasm and did not move into the nucleus? OA. The transcription factor is lacking a nuclear localization signal. OB. The protein lacks a proteasome-targeting sequence. OC. The transcription factor is lacking a signal sequence to direct it to the ER. OD. The transcription factor is lacking a KDEL retention signal. QUESTION 33 A newly formed COPII-coated vesicle has all of the following except OA. Sar 1 OB. Clathrin OC.Sec 13/31 OD. Sec 23/24 OE. V-SNARE
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Question 1 Listen If you are given a sample with 1,000,000 pfu/mL of bacteriophage (Tube A) and plate 1mL of the sample on a TSA plate, what will you observe after 24 hours incubation? (How many plaques?) 100,000 because it is a 1:10 dilution. Zero because bacteriophage need a host to grow. More than 300 because it will be TNTC. 1,000,000 plaques because there are 1,000,000 phage in 1mL.
QUESTION 22 Which compartments are topologically equivalent with the nucleus? OA. ER and mitochondria B. Cytoplasm, ER and lysosomes C. Cytoplasm only Golgi and ER Extracellular space and cytoplasm E. QUESTION 23 Which of the following protein are found on the outer coat of vesicles budding from the ER? OA. COPII proteins OB. +SNARES OC. Sar1 OD. Sec61 OE. Clathrin QUESTION 24 If you were studying protein secretion in yeast and identified a mutant in which secretory vesicles appeared to attach to the cytoplasmic face of the plasma membrane but never fused with the plasma membrane, which of the following proteins would you hypothesize is defective? O A. Rab OB. Sar1 OC. Sec 23 OD-t-SNARE QUESTION 25
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QUESTION 17 If a cell needs to rapidly acquire small dissolved substances (non-specific), which process will likely be accelerated? a. Osmosis O b. Receptor-mediated endocytosis O c. Pinocytosis O d. Phagocytosis
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Question 4 An N-linked glycoprotein contains a glycan covalently linked to which specific amino acid in a protein? Serine ● Asparagine Glutamine Threonine Question 5 Membrane-bound ribosomes synthesize proteins that are destined to the following organelles, EXCEPT lysosomes endosomes secretory vesicles mitochondria Question 6 Which molecular chaperone associates with ribosomes to prevent improper folding of polypeptide as they are being synthesized? O Chaperonins Hsp 40 O Hsp 90 Trigger factor
Question 6. List the five steps in cell migration in order:
izzing/user/attempt/quiz_start_frame_auto.d21?ou=D3269550&isprv3&drc%3D1&qi=1995726&cfql=0&dnb3D0&fror 12 Time Left:0:04:09 Angelina Tran: Attempt 1 O anabolism Question 50 (2 points) Listen Which of the following is NOT part of the endomembrane system? O chloroplast plasma membrane vesicles endoplasmic reticulum Previous Page Next Page Page 10 of 10 Submit Quiz 45 of 50 questions saved MacBook PrO

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Question 1 For import into the nucleus, proteins require: Ran-GTP active transport Pex5 an NES Question 2 The nuclear envelope contains nuclear pore complexes (NPCs) that allow small molecules to pass but excludes macromolecules larger than 40 kDa True False