Description : Why do cells need small molecules such as simple sugars and amino acids in order to diffuse into the cell?
Last Answer : Need answer
Description : What types of molecules ccan diffuse through the ceel membrane without using a channel protein?
Description : Where molecules diffuse in?
Description : Why can oxygen diffuse across a cell membrane but a protein?
Last Answer : Its too large
Description : Can small lipids diffuse into cell membrane through diffusion?
Last Answer : Feel Free to Answer
Description : Consider the following statements: 1. Even when a nerve cell is not conducting an impulse, it is actively transporting K+ and Na+ ions in and out respectively against their concentration gradients at the expense of energy 2. As a ... is/are untrue? (a) 1 only (b) 1, 2, 4 (c) 2, 4 (d) 4 only
Last Answer : Ans:(d)
Description : According to widely accepted fluid mosaic model cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several ... domains of the membrane. (d) Many proteins remain completely embedded within the lipid bilayer.
Last Answer : (b) Proteins can also undergo flip-flop movements in the lipid bilayer.
Description : Omeprazole exerts practically no other action except inhibition of gastric acid secretion because: A. It transforms into the active cationic forms only in the acidic pH of the gastric juice B. Its ... forms are unable to diffuse out from the gastric parietal cell canaliculi D. All of the above
Last Answer : D. All of the above
Description : What's the best way to diffuse noise from neighbors?
Last Answer : answer:Offer to change apartments with them. Perhaps the landlord would install carpet upstairs. Review your lease. Usually there is a provision stating something to the effect of: Tenant shall expect to receive “reasonably quiet enjoyment”.
Description : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` transport chloride ions diffuse from plasma into t
Last Answer : Assertion `:-` The blood transports carbondioxide comparatively easily. Reason `:-` During `CO_(2)` ... D. If both Assertion & Reason are false.
Description : Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit differnece in partial pressure is much higher compared
Last Answer : Assertion `:-` The amount of `CO_(20` that can diffuse through the diffusion membrane per unit ... . D. If both Assertion & Reason are false.
Description : Diffuse porous woods are characterstic of plants growing in
Last Answer : Diffuse porous woods are characterstic of plants growing in A. Alpine region B. Cold winter regions C. Temperate regions D. Tropical regions
Description : At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__
Last Answer : At the tissue site where partial pressure of `CO_(2)` is (a)____ due to (b)____, `CO_(2)` diffuse into blood and form (c)_____ and (d)__
Description : What is able to diffuse through the stomata?
Description : Why do gases diffuse quicker than other gases?
Last Answer : because of the chemicals inside it.Edit: This answer is incorrect. Smaller, lighter weight gasesdiffuse faster than larger, heavier gases.
Description : Can starch diffuse into the human blood stream without being digested?
Last Answer : What is the answer ?
Description : Why sharp peak and diffuse peak are observed in powder XRD?
Description : What cannot be produced by a diffuse reflection but is possible with a specular reflection?
Last Answer : I don’t understand the question
Description : Acetyl-CoA is the principal building block of fatty acids. It is produced within the mitochondria and does not diffuse readily into cytosol. The availability of acetyl CoA involves (A) Carnitine acyl transferase (B) Pyruvate dehydrogenase (C) Citrate lyase (D) Thiolase
Last Answer : Answer : C
Description : Which of the following features is predicted by the Nicolson–Singer fluid mosaic model of biological membranes? (A) Membrane lipids do not diffuse laterally (B) Membrane lipid is primarily in a monolayer form (C) Membrane lipids freely flip-flop (D) Membrane proteins may diffuse laterally
Last Answer : Answer : D
Description : Why liquids diffuse slowly as compared to gases?
Last Answer : Ans.In liquid the intermolecular forces (vander waal’s forces) are greater than in gas.
Description : What is meant by predicting the value of a state variable from the past? a) Specular reflection b) Diffuse reflection c) Gaussian filter d) Smoothing
Last Answer : d) Smoothing
Description : Pick out the wrong statement: (A) With change in temperature, the radiant energy emitted by a black body remains unchanged (B) Absorptivity of a body approaches unity in case of diffuse reflection (C) Absorptivity of ... unity (D) Value of Stefan-Boltzmann constant is 4.876 10 -8 KCal/m2 .hr.°K4
Last Answer : (A) With change in temperature, the radiant energy emitted by a black body remains unchanged
Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.
Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.
Description : Out of diffuse porous and ring porous woods, which is correct? (a) Ring porous wood carries more water for short period. (b) Diffuse porous wood carries more water. (c) Ring porous wood ... when need is higher. (d) Diffuse porous wood is less specialised but conducts water rapidly throughout.
Last Answer : (c) Ring porous wood carries more water when need is higher.
Description : Diffuse porous woods are characteristic of plants growing in (a) alpine region (b) cold winter regions (c) temperature climate (d) tropics.
Last Answer : (d) tropics.
Description : A perfectly black body: (A) Is a diffuse emitter (B) Absorbs all the radiations of every wave lengths (C) Emits power of every wave length (D) All the above
Last Answer : Answer: Option D
Description : The nurse knows that a postoperative vision-threatening complication of LASIK refractive surgery, diffuse lamellar keratitis (DLK) occurs a) in the first week after surgery. DLK is a peculiar, non-infectious, ... after surgery. d) 6 months after surgery. DLK occurs in the first week after surgery.
Last Answer : a) in the first week after surgery. DLK is a peculiar, non-infectious, inflammatory reaction in the lamellar interface after LASIK. It is characterized by a white granular, diffuse culture-negative ... no single agent appears to be solely the cause of DLK, a multifactorial etiology is likely.
Description : When the nurse observes diffuse swelling involving the deeper skin layers in the patient who has experienced an allergic reaction, the nurse records the finding as a) angioneurotic edema. ... the result of increased interstitial fluid and associated with disorders such as congestive heart failure.
Last Answer : a) angioneurotic edema. The area of skin demonstrating angioneurotic edema may appear normal but often has a reddish hue and does not pit.
Description : Reflections in many directions ∙ a. Diffuse reflection ∙ b. Diffraction ∙ c. Scattering ∙ d. Dispersion
Last Answer : a. Diffuse reflection
Description : diffuse abdominal pain , bleeding per rectum and fever 38.3 c , preceded by urinary infection 3 weeks back treated with AB , diagnosis : Ischemic colitis Amoebic colitis Pseudomembranous colitis
Last Answer : Pseudomembranous colitis
Description : The MOST common staphylococcal infections is: A. A localised purulent infection of the skin B. Diffuse purulent infection of the skin C. Staphylococcal osteomyelitis D. Impetigo
Last Answer : A. A localised purulent infection of the skin
Description : Thyroxine therapy is indicated in the following conditions except: A. Euthyroid status with raised TSH level B. Diffuse nontoxic goiter C. Nonfunctional thyroid nodule D. Benign functioning thyroid nodule
Last Answer : C. Nonfunctional thyroid nodule
Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain
Last Answer : (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla
Description : There are three commonly detectable points of zero polarization of diffuse sky radiation, neutral points, lying along the vertical circle through the sun. Which of the following is NOT one of these points? Is it the: w) Arago Point x) Babinet Point y) Brewster Point z) Longfellow Point
Last Answer : ANSWER: Z -- LONGFELLOW POINT
Description : During osmosis w) Pure solvent diffuses through a membrane but solutes do not. x) Pure solutes diffuse through a membrane but solvent does not. y) Pure solvent and a solution both diffuse at the same time through a membrane. z) Gases diffuse through a membrane into a solution and build up pressure.
Last Answer : ANSWER: W -- PURE SOLVENT DIFFUSES THROUGH A MEMBRANE BUT SOLUTES DO NOT.
Description : Consider the following statements regarding the formation of P-N junctions: 1. Holes diffuse across the junction from P-side to N-side 2. The depletion layer is wiped out. 3. There is continuous flow of current across the junction 4 ... correct? (a) 1 and 3 (b) 2 and 3 (c) 1 and 4 (d) 2 and 4
Last Answer : Ans: (c) When a pn-junction is formed, there will be diffusion of carries across the junctions followed by recombination, and the creation of a depletion layer across which a ... potential is established, which will prevent further diffusion of carries across the junction, leading to equilibrium
Description : Fiber optics cable used in communication, works on the principle of (1) regular reflection of light (2) diffuse reflection of light (3) refraction of light (4) total internal reflection of light
Last Answer : total internal reflection of light
Description : Define : i) Diffuse radiation ii) Beam radiation ii) Insolation iv) Solar constant
Last Answer : i) Diffuse radiation: It is the solar radiation which is scattered by the particles in earth's atmosphere and this radiation does not have any unique direction. ii) Beam radiation: Solar radiation ... from the sun. OR It is the average radiation received outside the earth's atmosphere