Question 4An N-linked glycoprotein contains a glycan covalently linked to which specific amino acid in a protein?Serine● AsparagineGlutamineThreonineQuestion 5Membrane-bound ribosomes synthesize proteins that are destined to the following organelles, EXCEPTlysosomesendosomessecretory vesiclesmitochondriaQuestion 6Which molecular chaperone associates with ribosomes to prevent improper folding of polypeptide as they are being synthesized?O ChaperoninsHsp 40O Hsp 90Trigger factor

the proteins are constituted of twenty naturally occurring amino acids that are linked vis peptide…

Answered: Question 4 An N-linked glycoprotein…

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 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
Question 23 of 25 Among the given statements, which ones describe the lysosomes? Select the correct response(s): They bud off from the trans face of the rough endoplasmic reticulum. They bud off from the trans face of the Golgi apparatus. They contain enzymes that are activated at physiologic pH. They bud off from the cis face of the Golgi apparatus. They contain enzymes that are activated above the physiologic pH. They contain enzymes that are activated below the physiologic pH. They contain enzymes that are activated below or above the physiologic pH. They bud off from the cis face of the rough endoplasmic reticulum. 23
Question 1 Ribosomes O have two subunits subunits are named by their sedimentation velocities O are very conserved in evolution O all of the above A Moving to another question will save this response. MacBook Pro O00
QUESTION 38 What is responsible for degrading misfolded proteins in the cytoplasm? OA. Peroxisome B. Proteosome OC. Endosome O D. Lysosome QUESTION 39 What is the primary function of molecular chaperones? OA. They transport secretory proteins into secretory vesicles. OB. They bind to glycosylases to assist in proper protein glycosylation in the Golgi. OC. They bind only to misfolded proteins to help them obtain their proper tertiary structure. OD. They bind proteins only after translation is complete to help them to fold into their proper primary structure. O E. They bind to unfolded or misfolded RNAs and help them attain their proper tertiary structure. QUESTION 40 Which sequence(s) would a protein need to be translated, targeted to the ER, and retained in the ER as an ER-resident protein? A. signal peptide sequence and KDEL sequence OB. Nuclear localization signal and signal peptide sequence OC. Nuclear localization signal and KDEL sequence OD. Signal peptide
QUESTION 10 The human form of Cdk1 phosphorylates a protein called Abl, which is a kinase itself. Abl is involved in advancing the cell cycle, but it is unclear how. What problem may result if Abl is constitutively active (cannot be turned off)? QUESTION 11 What protein complex has to get loaded onto DNA during G1 but only gets activated during S phase? МСМ helicase the kinetochore The ATM DNA damage sensor O DNA polymerase QUESTION 12 are necessary for cyclin-dependent kinases to work. QUESTION 13 block cyclin-dependent kinases, turning them off. QUESTION 14 phosphorylate substrates that actually do something to move the cell cycle forward (for example, one of these phosphorylates proteins attached to the nuclear envelope and nuclear lamina to cause nuclear envelope disassembly at the start of mitosis).
Do question 12
Question 31
Question 11

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