If the ph outside the cell decreases, would you expect the amount of amino acids transported into the cell to increase or decrease?

Q: Why is the intermembrane space acidic?

A: The mitochondria are the organelle present in the cytoplasm but not in the nucleus. It is mainly…

Q: If a percent difference is a negative number, what does this tell us about the change in weight of…

A: The fundamental feature of matter is "mass". It is self-contained and independent of all other…

Q: What TWO factors keep integral trans-membrane proteins embedded firmly within the lipid bilayer?

A: Membrane proteins carry out several important functions of membranes. They impart characteristic…

Q: how can osmosis be applied to the physiological principle of a controlled exchange of materials…

A: Osmosis is the transfer of water through a semipermeable layer as indicated by the concentration of…

Q: Which of the following would require a protein for movement into and out of the cell?     Glucose…

A: Cell  membranes serve as barriers to most molecules but not all. A major step in cell evolution was…

Q: What is mass transportation across the cell membrane?

A: Cell movements

Q: Molecules that can diffuse directly through the cell membrane without the aid of channels or…

A: The cell membrane also known as the plasma membrane is a double layer of lipids and proteins that…

Q: If cyanide poisoning occurs, would you expect the pH of the intermembrane space to increase or…

A: Electron Transport Chain (ETC) is happening in the inner mitochondrial membrane (IMM) where the…

Q: Proteins may be bound to the exoplasmic or cytosolic face of the plasma membrane by way of…

A: Plasma membrane is the membrane which is present outside thd cell and it act as a barrier between…

Q: Assume a molecule must cross the plasma membrane into a cell. The molecule is very large. How will…

A: The cell is the basic structural and functional unit of our body. It carries out many functions in…

Q: Which mode of transport would enable the passage of sugar molecules across the plasma membrane and…

A: Small non polar molecules can easily cross the plasma membrane where as large polar molecules…

Q: What is a mediated protein transporter?

A: Mediated transport refers to transport interceded by a transport protein embedded in the membrane.…

Q: Why does presence of cholesterol enhance the membrane fluidity?

A: Introduction - There is multiple factors that result in membrane Fluidity. First, the mosaic…

Q: Explain how a protein ends up free in the cytosol, embedded in the plasma membrane,or secreted from…

A: Translation of all proteins in eukaryotes begins in the cytosol and as soon as it is made it is…

Q: What does the term intracellular fluid refer to?

A: Intracellular fluid is the cytosol found in the cell. Extracellular fluid Is present around the…

Q: Why does osmosis occur?

A: The cells are the primary unit of life. The cell membrane is an integral component of the cell. Cell…

Q: Describe the pathway for the synthesis of secretory and membrane proteins.

A: All cells of mammals continuously secrete certain proteins like in ECM. Certain kind of cells is…

Q: What is the Direction of net flux Through Lipid Bilayer?

A: The direction of flux will depend on the concentration gradient.

Q: Why do cell and organelles membranes need to have its components be amphipathic?

A: The plasma membrane is the border of the cell and the organelles also have their own membranes that…

Q: What is the pathway used by cells to place carbohydrates on plasma membrane proteins?

A: Post translational modification refers to the covalent and usually enzymatic modification of…

Q: Describe what happens to the proteins that are synthesized at the cytoplasm and the endoplasmic…

A: Introduction: The endoplasmic reticulum (is in charge of lipid synthesis and protein modification.…

Q: Why is Sodium-Potassium ATPase the only protein to move both sodium and potassium ions into and out…

A: Sodium potassium ATPase is the only protein to move both Na+ and K+ in and out of the cell because…

Q: Liver cells are packed with glucose. If the concentration of glucose in a liver cell is higher than…

A: The liver is an organ just found in vertebrates which detoxifies different metabolites, incorporates…

Q: As a cell grows, its plasma membrane expands. Does this membrane expansion involve endocytosis or…

A: Endocytosis – it is form of vesicular transport in which ATP is used for energy. The plasma membrane…

Q: Which process requires energy—passive or active transport? Why is energy sometimes required to move…

A: Passive Transport: Movement of a substance across a cell membrane with out the use of energy, from a…

Q: Write two examples of glycosaminoglycans, and explain the roles that are not dependent on anchorage…

A: Glycosaminoglycans  are the polysaccharides in which the repeating unit is a disaccharide not a…

Q: What is the importance of acids and bases in our daily activities? State examples. What is the pH of…

A: Acids are the substances that donates H+ ions and have pH range between 1-6 Bases are those which…

Q: Extracellular space Protein channel Cell membrane Carrier proteins Intracellular space

A: The movement of molecules or ions of any substance from a region of their higher concentration to…

Q: Does sodium chloride dissociate before going through the membrane? I am wondering because in…

A:

Q: Glucose is often present in very low concentrations in environments populated by microorganisms. To…

A: Glucose is a six-carbon sugar that provides the energy needed by cells. Since glucose is a large…

Q: a) Which of the two molecules that are the same size will passively diffuse across a cell membrane…

A: Diffusion is the movement of particles from an area of high concentration to an area of low…

Q: Some antimicrobial drugs used to treat bacterial infections disrupt the process of protein…

A: Antibiotics are the compound which is produced by the other organism which inhibit or kill the other…

Q: Why do cells lack membrane transport proteins that are specific for the movement of Oxygen?

A: Membrane transport proteins can transport molecules across the cell’s semi-permeable membrane…

Q: How does the sodium potassium pump make the interior of the cell negatively charged?

A: The sodium-potassium pump is integral in maintaining the acid-base balance as well as in healthy…

Q: Why must cholesterol, although lipid-soluble, cross most membranes by means of receptor-mediated…

A: The dietary cholesterol is up taken by the cells in form of lipoproteins. The enterocytes present in…

Q: Which protein is responsible for inhibiting endosome acidification? O A.E О В.А OC.P P O D.N

A: When a cell recognizes a viral genome in its cell body, endosomes are used to encapsulate and…

Q: Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small…

A: Question -  Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the…

Q: In eukaryotic cells, metabolic pathways occur in specific locations, such as the mitochondrion or…

A: Mitochondria are commonly known as the powerhouses of the cell as they synthesize adenosine…

Q: Which type of endocytosis involves the binding of specific substancesin the extracellular fluid to…

A: The cells move the excess of the materials from the external environment to the cell’s cytoplasm  by…

Q: The movement of molecules from an area of low concentration outside of the cell membrane to an area…

A: Given: The movement of molecules from an area of low concentration outside of the cell membrane to…

Q: Why is ketosis frequently accompanied by acidosis?

A: Ketosis has adverse effects on an individual such as, weaknesses and exhaustion and acidosis can…

Q: The movement of water and electrolytes between fluid compartments is regulated primarily by _______…

A: The cells in our body are compartments which are filled with water, fluids and electrolytes…

Q: How do temperature and lipid composition affect the fluidity of the cell membrane?

A: Membrane fluidity refers to the viscosity of the lipid bilayer of the cell membrane. Viscosity can…

Q: Why glucose does not cross the cell membrane through open channels?

A: As we know glucose is a polar molecule composed of carbon connected with H and OH groups which makes…

Q: Which type(s) of vesicular transport is for nonspecific engulfment of fluid and materials from…

A: Receptor-mediated endocytosis: It is a process through which a cell absorbs metabolites,…

Q: If the potato is allowed to dehydrate by sitting in open air, would the potato cells be more likely…

A: Potatoes are the tubers that grow on the plant Solanum tuberosum. It is typically composed of 2%…

Q: If a concentration gradient exists, solutes will move from high concentration to concentration?

A: Concentration gradient refers to difference in concentration of a substance in two regions.

Q: Which portion of the phosphatidylinositol molecule contributes to (a) fluidity of the bilayer and…

A: Phosphatidylinositol is a type of glycerophospholipid that contains a glycerol backbone, two…