Description : Fatty acids can be transported into and out of cell membrane by (A) Active transport (B) Facilitated transport (C) Diffusion (D) Osmosis
Last Answer : B
Description : Carnitine is required for the transport of (A) Triglycerides out of liver (B) Triglycerides into mitochondria (C) Short chain fatty acids into mitochondria (D) Long chain fatty acids into mitochondria
Last Answer : Answer : D
Description : All the following statements about carnitine are true except (A) It can be synthesised in the human body (B) It can be synthesized from methionine and lysine (C) It is required for transport of short chain fatty acids into mitochondria (D) Its deficiency can occur due to haemodialysis
Last Answer : Answer : C
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
Description : Fructose is absorbed into the blood through mucosa cells of intestine by the process called (a) active transport (b) facilitated transport (c) simple diffusion (d) co-transport mechanism.
Last Answer : (b) facilitated transport
Description : Free fatty acids released from adipose tissue are transported in blood by (A) Albumin (B) VLDL (C) LDL (D) HDL
Last Answer : Answer : A
Description : Free fatty acids are transported in the blood (A) Combined with albumin (B) Combined with fatty acid binding protein (C) Combined with β -lipoprotein (D) In unbound free salts
Description : In the blood, fatty acids are transported as what form?
Last Answer : Albumin is the carrier of free fatty acid.
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
Description : The movement of glucose into a cell occurs by a. Facilitated diffusion. b. Active transport. c. Simple diffusion. d. Phospholipid exchange.
Last Answer : b. Active transport.
Description : The major site for elongation of medium chain fatty acids is (A) Mitochondria (B) Cytosol (C) Microsomes (D) All of these
Description : The main pathway for denovo synthesis of fatty acids occur in (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nucleus
Description : What is the sub cellular site for the βoxidation of fatty acids? (A) Nucleus (B) Mitochondria (C) Lysosome (D) Cytosol
Last Answer : Answer : B
Description : De novo synthesis and oxidation of fatty acids differ in the following respect: (A) Synthesis occurs in cytosol and oxidation in mitochondria (B) Synthesis is decreased and oxidation increased by ... synthesis and FAD in oxidation (D) Malonyl CoA is formed during oxidation but not during synthesis
Description : Oxidation of fatty acids occurs (A) In the cytosol (B) In the matrix of mitochondria (C) On inner mitochondrial membrane (D) On the microsomes
Description : De hovo synthesis of fatty acids occurs in (A) Cytosol (B) Mitochondria (C) Microsomes (D) All of these
Description : Long chain fatty acids are first activated to acetyl-CoA in (A) Cytosol (B) Microsomes (C) Nucleus (D) Mitochondria
Description : Assertion `:-` Fats are transported into the lacteals in the villi. Reason `:-` Fatty acids are insoluble in water.
Last Answer : Assertion `:-` Fats are transported into the lacteals in the villi. Reason `:-` Fatty acids are ... False. D. If both Assertion & Reason are false.
Description : What do the processes of active transport and facilitated process have in common?
Last Answer : answer:Billy. Did you mean to tag this with “cell phones” or are you asking about cells? Also, is there another term for “facilitated process”? Might you be referring to “facilitated diffusion”?
Description : How is facilitated diffusion similar to active transport How is it different?
Last Answer : Need answer
Description : What do facilitated diffusion and active transport have in common ?
Last Answer : What are the differences between them? Facilitated diffusion can be confused with active transport because in both processes there is participation of membrane proteins. In active transport however the ... it does not require energy. Cell Membrane Review - Image Diversity: active transport
Description : The primary force moving water molecules from the blood plasma to the interstitial fluid is a. active transport b. cotransport with H+ c. facilitated diffusion d. cotransport with Na+ e. filtration
Last Answer : filtration
Description : Sugars depend on which mechanism to enter the cell a. facilitated diffusion b. active transport c. both d. none of them
Last Answer : facilitated diffusion
Description : Which transmembrane movement involves carriers? a. facilitated diffusion b. active transport c. both d. none of them
Last Answer : both
Description : Majority of drugs cross biological membranes primarily by: A. Passive diffusion B. Facilitated diffusion C. Active transport D. Pinocytosis
Last Answer : A. Passive diffusion
Last Answer : C. Is affected by extent of ionization of drug molecules
Description : Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.
Last Answer : ANSWER: D -- FACILITATED DIFFUSION.
Description : All the following statements about acetyl CoA carboxylase are true except (A) It is required for de novo synthesis of fatty acids (B) It is required for mitochondrial elongation of fatty acids ( ... for microsomal elongation of fatty acids (D) Insulin converts its inactive form into its active form
Description : In germinating seeds, fatty acids are degraded exclusively in the (a) peroxisomes (b) mitochondria (c) proplastids (d) glyoxysomes.
Last Answer : (d) glyoxysomes.
Description : Q. Can you give an example of facilitated transport?
Last Answer : A. Glucose transporters
Description : The third active process for amino acids transport involves (A) Acidic amino acids (B) Basic amino acids (C) Neutral amino acids (D) Sulphur containing amino acids
Description : The transport of amino acids regulated by active processes of different numbers: (A) 1 (B) 2 (C) 3 (D) 4
Description : Thyroid gland takes up circulating iodine (A) By simple diffusion (B) By facilitated diffusion (C) By active uptake (D) In exchange for chloride
Description : Intestinal absorption of calcium occurs by (A) Active takeup (B) Simple diffusion (C) Facilitated diffusion (D) Endocytosis
Description : Long chain fatty acyl CoA esters are transported across the mitochondrial membrane by (A) cAMP (B) Prostaglandin (C) Carnitine (D) Choline
Description : In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production
Description : The number of ml of N/10 KOH required to neutralize the fatty acids in the distillate from 5 gm of fat is called (A) Reichert-Meissel number (B) Polenske number (C) Acetyl number (D) Non volatile fatty acid number
Description : Unsaturated fatty acids is known as (A) Non-essential fatty acids (B) Essential fatty acids (C) Cerebrosides (D) Phospholipids
Description : Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, ... , glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption
Last Answer : (c) Glycine, glucose Small intestine, active absorption
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na
Description : Which of the following statements about phloem transport is correct? (1) phloem transport occurs unidirectionally (2) gravity influences phloem transport (3) Ca+ is the most abundantcation in phloem sap (4) sugar is transported in phloem as non-reducing sugar
Last Answer : sugar is transported in phloem as non-reducing sugar
Description : Acyl carrier protein is involved in the synthesis of (A) protein (B) glycogen (C) fatty acid outside the mitochondria (D) fatty acid in the mitochondria
Description : Acetyl CoA from mitochondria is transferred to cytoplasm for the de novo synthesis of fatty acid, by which enzyme?
Last Answer : ATP citrate lyase.
Description : What is facilitated transport? -Biology
Last Answer : answer:
Description : Without saturation of transport proteins and under same concentration gradient how can the speed of simple diffusion be compared to the speed of facilitated diffusion ?
Last Answer : The action of facilitator proteins in facilitated diffusion makes this type of diffusion faster than simple diffusion under equal concentration gradients of the moved substance.
Description : Match the items given in column I with those in column II and choose the correct option. Column I Column II A. Rennin (i) Vitamin B12 B. Enterokinase (ii) Facilitated transport C. Oxyntic cells (iii)Milk proteins D. Fructose (iv) ... ii (c) A-iv, B-iii, C-ii, D-i (d) A-iii, B-iv, C-i, D-ii
Last Answer : (d) A-iii, B-iv, C-i, D-ii
Description : Which of the following criteria does not pertain to facilitated transport? (a) Transport saturation (b) Uphill transport (c) Requirement of special membrane proteins (d) High selectivity
Last Answer : (b) Uphill transport
Description : Fatty acids can not be converted into carbohydrates in the body, as the following reaction is not possible: (A) Conversion of glucose-6-phosphate into glucose (B) Fructose 1, 6 diphosphate to ... phosphate (C) Transformation of acetyl CoA to pyruvate (D) Formation of acetyl CoA from fatty acids
Description : Propionyl CoA formed oxidation of fatty acids having an odd number of carbon atoms is converted into (A) Acetyl CoA (B) Acetoacetyl CoA (C) D-Methylmalonyl CoA (D) Butyryl CoA
Description : Salivary lipase converts dietary triglycerides into (A) Diglycerides and fatty acids (B) Monoglycerides and fatty acids (C) Glycerol and fatty acids (D) All of these