Which of the following is incorrect about the glycerophospholipids?a. They are not amphipathicOb. Their components are glycerol, two fatty acids, a phosphate, and an alcohol groupOc. They are components of membranesOd. They can be cleaved by phospholipases at specific sites

Glycerophospholipids are glycerol-based phospholipids

Answered: Which of the following is incorrect…

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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If a liver cell with a concentration of 4% glycogen was submerged into a solution with 8% glucose, water would move: O from the liver cell to the outside solution via diffusion O from the solution to inside the liver cell via active transport O from the liver cell to the outside solution via endocytosis O from the solution to inside the liver cell via metabolism O from the liver cell to the outside environment via osmosis
The plasma membrane has a hydrophobic interior due to the two present in each phospholipid found in the phospholipid bilayer of the cell membrane. The plasma membrane allows some molecules to cross but not all. Therefore, the plasma membrane is said to be Molecules that are nonpolar and hydrophobic will cross the membrane with ease by Does this process require energy? When molecules move across the plasma membrane by passive transport, they will move down or with the_ from an area of concentration to an area of. concentration. Polar, hydrophilic molecules and charged ions will move across the plasma membrane by the process of_ This does not require energy, but it does require a A special case of diffusion is known as which is the movement of water across the plasma membrane. If a cell is placed into a solution that is hypertonic compared to the inside of the cell, the cell would If a cell is placed into a hypotonic solution compared to the inside of the cell, the cell water. would…
Which of these compounds will cross the cell membrane without the aid of a membrane transport protein, and why? H3 NH NH 2. By what transport process will the above compound be transported? What are the factors which drive movement across the membrane in this process? Does this process require input of energy?
Which of these general statements is TRUE about the lipid called phosphatidylcholine (or PC)? Group of answer choices PC is NOT an aminophospholipid. PC is zwitterionic at normal cell pH. PC resides mainly in the outer leaflet of the membrane bilayer. 3 of these 4 responses are correct PC is a type of cholesterol.
Which of the following statements is true? Select any/all answers that apply. O A. Both Mb and Hb bind 02 cooperatively. O B. Mb and Hb have similar affinities for BPG (2,3-bisphosphoglycerate). O C. Both Mb and Hb transport oxygen within the blood. O D. A single Mb molecule and a single Hb subunit have similar tertiary structures. O E. Both Mb and Hb contain multiple oxygen-binding sites.
Match each SERCA domain to its role in Ca2+ transport: Drag and drop options on the right-hand side and submit. For keyboard navigation... SHOW MORE ✓ N Domain P Domain A Domain ||| = = contains the Asp reside that can be phosphorylated Phosphatase activity Kinase Activity X X X
The cell membrane has ion channels that can exist in two states, open or closed. When they are open, they let Na+ ions through. The energy of the open state is 4*10^-20 J. higher than the state of the closed channel. a. What proportion of the ion channels are open at a temperature of 20 C? b. How high should the temperature be so that 75% of the channels are open?

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Which of the following is incorrect about the glycerophospholipids? a. They are not amphipathic Ob. Their components are glycerol, two fatty acids, a phosphate, and an alcohol group Oc. They are components of membranes Od. They can be cleaved by phospholipases at specific sites