Question 321 ptsIn the operation of the sodium-potassium ATPase transporterthis transporter (or pump) is electrically neutral (does not lead to a change in themembrane potential)the pump transports one potassium ion for every sodium ion (a 1:1 ratio)the transport of Na+ out of the cell can occur even in the absence of energyphosphorylation and dephosphorylation are respectively associated with the sodiumand potassium transport steps

Answered: Question 32 1 pts In the operation of…

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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QUESTION 12 When a drop of dye is placed in water, the dye particles move from the area where the drop of dye is placed, where the concentration of pafticle is to other areas where the concentration of dye particle is particles is called v. In contrast, lower is higher selectively permeable fully permeable across a membrane from an area where the amount of v to where the amount of water is area osmosis diffusion
Which of these is a function of Ribulose-1,5-bisphosphate carboxylase/oxygenase (aka, RuBisCO)? Pumps protons against a concentration gradient to make ATP. Adds carboxyl and oxygen molecules to DNA during replication. Breaks glucose into two pyruvate during glycolysis. Fixes carbon dioxide during photosynthesis.
QUESTION 21 Which one gives the cellular location and the cellular function of the cystic fibrosis transmembrane conductance regulator (CFTR)? OA location: suspended in mucus in extracellular space function: maintains a slippery consistency to mucus OB. location: suspended in the aqueous cytosol function: chloride ion transporter OC location: embedded in cellular plasma membranes function: a growth factor receptor O D. location: suspended in the aqueous cytosol function: a growth factor receptor OE. location: embedded in cellular plasma membranes function: chloride ion transporter
Question 16 This picture represents O the work of a carrier O facilitated diffusion O an unsaturable process O a saturable process Previous F3 F4 F5 F6 F7 F8 F9 F10 23 & 团 %24
QUESTION 3 Pumps (select all that apply) O Couple transport against electrochemical gradient to ATP hydrolysis O p-class O z-class O v-class O F-class O XYZ Superfamily O ABC Superfamily O May be used to establish/maintain ionic gradients O May be used to establish/maintain lipid gradients
Question 15 Which one of the following statements is FALSE? Oa ADP is often one of the products ofa reaction catalyzed by a protein kinase O Protein phosphatases usually release a phosphoryl group as inorganic phosphate Oc Protein kinases usually add a phosphoryl group from ATP to a Val, Leu, or lle Od An enzyme could be activated or inactivated by a protein kinase AMoving toanother question will save this response.
Digestive Tube Lumen Transport protein Y Digestive Tube Cell Transport protein X Blood Transport protein Z
Question 17 of 25 What are the functions of proteins in the cell membrane? Select the correct response(s): ✓ They serve as binding site for ligands that affect the fluidity of the cell. ✓ They serve to transport hydrophilic substances across the cell mebrane. They serve as binding site for ligands that affect the mobility of the cell. They serve to transport amphipilic substances across the cell mebrane They serve as binding site for ligands that affect the physiologic activity of the cell. They serve to transport hygroscopic substances across the cell mebrane. They serve to transport hydrophobic substances across the cell mebrane. They serve as binding site for ligands that affect the physiologic pH of the cell. 17
QUESTION 10 The Vm labeled A could be produced by +40 +20 Membrane potential difference (Vm) at rest -20 Vm -40 Vm -60 В -80 A -100 -120 Time (msec) Membrane potential (mV)
QUESTION 1 The Wnt signaling pathway component, Dsh, effects the action of B catenin by: O A. inhibiting the function of axin in the destruction complex O B. blocking GSK-3B from joining the destruction complex O C. stimulating ubiquitination of B catenin O D. causing its release into the cytosol from the plasma membrane complex O E. causing an increase in phophorylation of B catenin QUESTION 2 PCR can be used to identify the breakage points of mtDNA that are joined to form a mitochondrial genome with a deletion. This techni que uses: O A. two primers outside the deleted region; a long PCR extension segment. O B. one primer within the deleted region and one primer outside the deleted region; a long PCR extension segment O C. one primer within the deleted region and one primer outside the deleted region; a short PCR extension segment O D. two primers outside the deleted region; a short PCR extension segment O E. two primers within the deleted region; a short PCR extension segment
QUESTION 10 Which of the following statements is false concerning the motor protein families of kinesins and dyneins? Kinesins and dyneins A OG OD. have tails that bind to the actin filaments move along microtubules, actin filaments, and intermediate filaments derive their energy strictly from GTP hydrolysis All of the above
Question 9 Cartilage-matrix proteoglycan has all of the following properties EXCEPT: contains both N-linked and O-linked oligosaccharides has a hyaluronic acid binding domain has reversible hydration-dehydration properties. O is an integral transmembrane protein.

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