How would this protein be arranged in the ER membrane? Red is signal sequence/start. Yellow is stop transfer. Blue is protein sequence N-term Select one or more: a. N-term cytosol b. N-term ER C. C-term cytosol d. C-term ER C-term

How would this protein be arranged in the ER membrane? Red is signal sequence/start. Yellow is stop transfer. Blue is protein sequence N-term Select one or more: a. N-term cytosol b. N-term ER C. C-term cytosol d. C-term ER C-term

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The CFTR membrane protein has an alpha helix that spans the membrane. The amino acid sequence of the central portion of this alpha helix, which is embedded within the membrane, is which one of the sequences below? Sequences are provided in the single letter code. a. VVVEVVVVEVVEEEVE b. VVVLVVVVLVVLLLVL c. VVVLVVVVREERRRER d. EEEREEEEREERRRER
Which of the following is FALSE about spliceosomes? a. In eukaryotic cells are present in the nucleus. b. Are about the size of a ribosomal subunit. c. In bacteria, are present in the cytoplasm. d. Contain RNA and protein.
Where in the cell is an N-linked glycan added onto a protein? A.In the nucleus. B.In the cytoplasm.C.The the lumen of the ER.D.In the lumen of the cis-Golgi.E.On the extracellular side of the plasma membrane.
Integral membrane proteins can exist as all of the following, except: a. A single helix b. A beta barrel A single beta strand d. A group of seven helices C.
what is the first event to take place in translation in eukaryotic cell? a. An clongation of the polypeptide chain by the addition of amino acids b. Binding of the larger ribosomal subunits to the smaller ribosomal subunits c. Base pairing of activated methionine-tRNA to AUG of messenger RNA d. The small subunits of ribosome recognizing and attaching to 5' cap of mRNA
1) Ribosomes Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a are ribozymes b are composed of RNA and proteins both a and b d none of the above
Which of the following proteins would you expect to be translated by a ribosome associated with the rough endoplasmic reticulum? A. A potassium channel that localizes to the plasma membrane B. Pyruvate kinase (a protein involved in glycolysis) C. A component of RNA polymerase II (a.k.a. RNA Polymerase 2) D. A component of DNA polymerase
Synthesis of new molecules of deoxyribonucleic acid is the process of A. replication B. translation C. transcription D. ossification E. cytokinesis
Which of the following is NOT true about mitochondria and chloroplast proteins? A. Proteins of both organelles are unfolded as they are transported. B. The proteins have N-terminal signal peptides C. The proteins need a proteins translocator D. The proteins remain unfolded once they cross the membranes E. Most of the proteins are encoded by nuclear genome
What is a signal peptide? A. A sequence of amino acids in endomembrane system proteins that directs them to the endoplasmic reticulum B. The sequence of amino acids in every protein that determines its location in the cell C. A protein that directs other proteins where to go in the cell D. A sequence of amino acids that gets added to proteins that are free-floating in the cytoplasm