What is the ability of the cell membrane to allow materials to pass through it called?

What is the ability of the cell membrane to allow materials to pass through it called?
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Answer :

permeability
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What is is the ability of a cell membrane to allow materials to pass through it called?

Description : What is is the ability of a cell membrane to allow materials to pass through it called?

Last Answer : permeability

What are the special in cell membrane that allow materials such as water and sugar to pass through made of?

Description : What are the special in cell membrane that allow materials such as water and sugar to pass through made of?

Last Answer : proteins

06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules

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Last Answer : a) Low ability to penetrate through the cell membrane lipids

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a

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Last Answer : Which one of the following pairs of hormones are the examples of those that can easily pass ... C. Cortisol, testosterone D. Insulin, glucagon

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?(a) Insulin, glucagon (b) Thyroxine, insulin (c) Somatostatin, oxytocin (d) Cortisol, testosterone

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Last Answer : (d) Cortisol, testosterone

81. Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus) (1) Cortisol, testosterone (2) Insulin, glucagon (3) Thyroxin, Insulin (4) Somatostatin, oxytocin

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Last Answer : Cortisol, testosterone

In passive transport materials move from an area of higher concentration to an area of lower concentration through a cell membrane.?

Description : In passive transport materials move from an area of higher concentration to an area of lower concentration through a cell membrane.?

Last Answer : yes

The ability of the cell membrane to act as a selective barrier depends upon (A) The lipid composition of the membrane (B) The pores which allows small molecules (C) The special mediated transport systems (D) All of these

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Last Answer : D

A _____ is a protein receptor on the surface of macrophages, dendritic cells, and endothelial cells that allow them to recognize foreign cell markers. a. Toll-like receptor (TLR) b. pathogen-associated c. Membrane attack complex (MAC) d. Natural killer cells (NK)

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Substances which allow light to pass through them are called?

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Last Answer : Transparent substances eg: glass

The capacity of rock to allow water to pass through is called?

Description : The capacity of rock to allow water to pass through is called?

Last Answer : Permeability

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Last Answer : (A) Perviousness 

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Last Answer : Bandpass.

In human flesh, the three light elements which predominate, and allow greater amount of incident X-rays to pass through them are a) oxygen, nitrogen , hydrogen b) oxygen, hydrogen, helium c) oxygen, hydrogen, carbon d) carbon, nitrogen, oxygen

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Last Answer : c) oxygen, hydrogen, carbon

$ Both the solute and solvent can pass through a semipermeable membrane. ! A semipermeable membrane is always living.

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Steroid hormones easily pass through plasma membrane by simple diffusions because by

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What transport process uses kinetic energy to pass substances through the plasma membrane?

Description : What transport process uses kinetic energy to pass substances through the plasma membrane?

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What characteristic of the plasma membrane allows selective molecules to pass through it?

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Last Answer : It is semi-permeable.

Are materials that electric current can easily pass through?

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A major breakthrough in the studies of cells came with the development of electron microscope. This is because (a) the electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons (b) the resolving power of the electron microscope is much higher than that of the light microscope (c) the resolving power of the electron microscope is 200 - 350 nm as compared to 0.1 - 0.2 nm for the light microscope (d) electron beam can pass through thick materials, whereas light microscopy requires thin sections.

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A primary objective of dual exchange rates is to allow a country the ability to insulate its balance of payments from net: A. Current account transactions B. Unilateral transfers C. Merchandise trade transactions D. Capital account transactions

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When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction of all wall is similar for best retention B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge D. Yes, all undercuts are uniformly removed so that the steel crown can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

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Which of the following statement(s) concerning the gut microflora is/are correct? a. Gut microflora evolves constantly throughout development b. The gut microflora can contribute to the physical and chemical barriers at the mucus membrane level c. Most of the microorganisms found in the oropharynx eventually pass into the intestine d. In the colon, anaerobic organisms outnumber aerobic organisms in a ratio in excess of 100:1

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Description : What are Materials that allow electricity to flow are called?

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If you have the ability to take in water food molecules and other necessary materials you have what?

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Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability to be cast, rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

Description : Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability ... rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

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The ability of materials to develop a characteristic behavior under repeated loading known as ___________ a) Toughness b) Resilience c) Hardness d) Fatigue

Description : The ability of materials to develop a characteristic behavior under repeated loading known as ___________ a) Toughness b) Resilience c) Hardness d) Fatigue

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Fertility of soil is measured by its ability to (a) retain nutrients (b) hold organic materials (c) hold water (d) support life.

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Which property is not required for shaft materials? a. High shear and tensile strength b. Good mach inability c. High fatigue strength d. Good cast ability

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What sort of detailed knowledge can we accumulate that will allow a reasonably competent person to reconstruct basic technology with common materials that would be lying around a post apocolyptic world?

Description : What sort of detailed knowledge can we accumulate that will allow a reasonably competent person to reconstruct basic technology with common materials that would be lying around a post apocolyptic world?

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Across a membrane phospholipids act as carrier of (A) Organic compounds (B) Inorganic ions (C) Nucleic acids (D) Food materials

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Which of the following is NOT a porous absorber? A. Prefabricated tiles B. Plasters and spray on materials C. Acoustic blankets D. Membrane absorber

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Polymerics and ceramics membrane materials

Description : Polymerics and ceramics membrane materials

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What are materials that electrical current cannot pass though?

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What are materials that electrical current cannot pass though?

Description : What are materials that electrical current cannot pass though?

Last Answer : insulators

What is diffusion through a cell membrane? -Biology

Description : What is diffusion through a cell membrane? -Biology

Last Answer : answer:

Osmosis is the diffusion of what substance through a cell membrane? -Biology

Description : Osmosis is the diffusion of what substance through a cell membrane? -Biology

Last Answer : answer:

Can small lipids diffuse into cell membrane through diffusion?

Description : Can small lipids diffuse into cell membrane through diffusion?

Last Answer : Feel Free to Answer

The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

Description : The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

Last Answer : Answer : B

Which of the following statement(s) is/are true concerning cell membrane receptors? a. The largest family of cell surface receptors are the G-protein-linked receptors b. Activities of the G-protein involve binding and hydrolysis of ATP c. The G protein receptor generates an intracellular messenger commonly through the use adenylate cyclase d. Tyrosine kinase receptors are considered G-protein-linked receptors

Description : Which of the following statement(s) is/are true concerning cell membrane receptors? a. The largest family of cell surface receptors are the G-protein-linked receptors b. Activities of the ... through the use adenylate cyclase d. Tyrosine kinase receptors are considered G-protein-linked receptors

Last Answer : Answer: a, c All water-soluble regulatory molecules bind to the cell surface receptor proteins. Binding of the appropriate ligand evokes an intracellular signal which usually regulates ... are adenylate cyclase, which converts ATP to cAMP, and the polyphosphoinositide-specific phospholipase C

Which of the following statement(s) is/are true concerning water movement across cell membranes? a. Water moves only actively through cell membrane transport proteins b. For most cells of the body, the transmembrane hydrostatic pressure is 0 c. Water distribution is determined entirely by solute distribution d. Specialized cells such as the glomerulus of the kidney actively transport water to maintain hydrostatic pressure

Description : Which of the following statement(s) is/are true concerning water movement across cell membranes? a. Water moves only actively through cell membrane transport proteins b. For most cells of ... cells such as the glomerulus of the kidney actively transport water to maintain hydrostatic pressure

Last Answer : Answer: b, c The energetics of water transport across cell membranes is simplified by the fact that water moves only passively due to gradients of hydrostatic pressure or water ... water is distributed at equilibrium. Water distribution is determined entirely by solute to solute distribution

What process moves materials through a cell from areas low concentration to areas of high concentration?

Description : What process moves materials through a cell from areas low concentration to areas of high concentration?

Last Answer : active transport