Description : In the mammalian body, this element plays many important roles. Try to identify this element with the fewest number of clues. This element is required to insure the integrity and permeability of ... involved in blood coagulation and is the most important element of bone salt. Name this element.
Last Answer : ANSWER: Calcium
Description : One of the following statements about muscular responses is not true. Choose that one (a) A muscle fibre contracts in all-or-none fashion (b) There is a slight latent period that occurs between when ... contraction (d) When a person is fully at rest, none of the muscles are contracting in the body
Last Answer : Ans:(d)
Description : Christmas factor is involved in – (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration
Last Answer : (1) Blood Coagulation Explanation: Factor IX, also known as Christmas factor, is one of the serine proteases of the coagulation system; it belongs to peptidase family Sl. Deficiency of this ... young boy named Stephen Christmas was found to be lacking this exact factor, leading to haemophilia.
Description : Christmas factor is involved in : (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration
Last Answer : Blood Coagulation
Description : Select the answer with correct matching of the structure, its location and function. Structure Location Function (a) Eustachian Anterior Equalizes air tube part of pressure on internal ear either sides ... the place Rods and cones where optic are present but nerve leaves inactive here the eye
Last Answer : (c) Hypothal Forebrain Controls body -amus temperature, urge for eating and drinking
Description : The muscular contraction in the alimentry canal is known as
Last Answer : The muscular contraction in the alimentry canal is known as A. Systole B. Diastole C. Peristalsis D. Metachronal
Description : What is a rhythmic muscular contraction?
Last Answer : A rhythmic muscular contraction in the body is calledPeristalsis.
Description : Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH ... produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.
Last Answer : B) When the blood becomes dilute, ADH is no longer released from the hypothalamus
Description : Consider the following statements: 1. When a nerve fibre is stimulated, a profound change is produced in the electrical properties of surface membrane and in steady potential. 2. Upon excitation, the resting potentialis suddenly changed. 3. It is due ... 1, 2, 3 (b) 2, 3 (c) 1, 2, 3, 4 (d) 1, 2, 4
Description : Which of the following correctly matches an organelle with its function? (A) Mitochondrion . . . photosynthesis (B) Nucleus . . . cellular respiration (C) Ribosome . . . manufacture of lipids (D) Central vacuole . . . storage
Last Answer : (D) Central vacuole . . . storage
Description : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide
Last Answer : (2) Lactic acid Explanation: Anaerobic reactions break down glucose into pyruvic acid, which then reacts to produce lactic acid. As muscle metabolism shifts from aerobic to anaerobic ATP production, ... begins to accumulate in muscles and to appear in the bloodstream. This leads to muscle fatigue.
Description : Respiration in the absence of air is called - (1) Aerobic respiration (2) Anaerobic respiration (3) Muscular respiration (4) Molecular respiration
Last Answer : (2) Anaerobic respiration Explanation: Respiration in the absence of air is called Anaerobic respiration while respiration in the presence of air (oxygen) is called aerobic respiration.
Description : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide
Last Answer : Lactic acid
Description : How does blood doping affect cellular respiration? -Biology
Last Answer : answer:
Description : Why is cellular respiration an aerobic process? -Biology
Description : What During the process of cellular respiration energy is released from?
Last Answer : Chemical bonds
Description : Are mitochondria used in the process of cellular respiration?
Last Answer : Yes, they are the powerhouses of eukaryotic Cells. {Pardon me as I look 'aside' to Ask if mitochondria are also in Prokaryotes}{Help please}
Description : Answer: a, b, c, d Free oxygen radicals are chemical species that are intermediates in the normal process of cellular respiration. Oxidants that are free radicals have been implicated as initiators of ... a. C-reactive protein b. Serum amyloid c. a -Proteinase inhibitor d. Fibrinogen e. Albumin
Last Answer : Answer: a, b, c, d The acute-phase response is a series of homeostatic responses of the organism to tissue injury in infection and inflammation. After an inflammatory stimulus occurs, a number ... 30% to 50% of the level before injury. The reason for the decrease in production is poorly understood
Description : Considering the chemical equation of the aerobic cellular respiration which molecules does the cell need and which molecules does it liberate in the process?
Last Answer : Considering the chemical equation of the aerobic cellular respiration it is observed that glucose and molecular oxygen are needed as reagents and carbon dioxide and water are released. The process also spends ADP and phosphate that turn into ATP.
Description : Which of the following statement(s) is/are true concerning wound contraction? a. Wound contraction accounts for similar rates of reduction of wound size regardless of their location b. The fibroblast ... d. Actin microfillaments are found in fibroblasts and may play a role in wound contracture
Last Answer : Answer: b, c, d Wound contraction is an important event which contrasts healing open wounds and closed incisions. When open wounds contract, the surrounding skin is pulled over the open wound ... number in contracting wounds and are felt to play an active role in the process of wound contraction
Description : Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : The threshold stimulus is the minimum stimulus r
Last Answer : Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : ... D. If both Assertion and Reason are false.
Description : "Sodium Pump" operates in - (1) Muscle contraction (2) Heart beat (3) Nerve impulse (4) None of the above
Last Answer : (3) Nerve impulse Explanation: Na+/K+-ATPase (also known as sodium-potassium pump) is an enzyme located in the plasma them brane of virtually every human cell and is common to all cellular ... are voltagegated, which means that they can open and close depending on the voltage across the membrane.
Description : Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia ... produces well sustained contraction D. Neostigmine does not reverse block produced by them
Last Answer : B. Ether anaesthesia intensifies block produced by them
Description : The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of ... Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above
Last Answer : D. All of the above
Description : “Sodium Pump” operates in (1) Muscle contraction (2) Heart beat (3) Nerve impulse (4) None of the above
Last Answer : Nerve impulse
Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase
Last Answer : Answer : D
Description : Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A ... platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin
Last Answer : Answer: a, c Tests of platelet function include peripheral platelet counts, bleeding times, and platelet aggregation. Usually, a platelet count of 50,000/mL or more ensures adequate hemostasis ... is not available in most laboratories, probably because of the observer-dependent nature of the test
Description : During the process of blood coagulation, vitamin K helps in
Last Answer : During the process of blood coagulation, vitamin K helps in A. Formation of thromboplastin B. ... to thrombin D. Conversion of fibrinogen to fibrin
Description : How can the blood coagulation (clotting) process be described?
Last Answer : Blood clotting encompasses a sequence of chemical reactions whose respective products are enzymes that catalyze the following reactions (that is why the clotting reactions are called cascade reactions) ... blood clot and containing the hemorrhage. Blood Questions - Image Diversity: clotting cascade
Description : Peristalsis is the process of synchronized contractions of the muscular wall of the digestive tube. Peristaltic movements may occur from the esophagus until and including the bowels. The ... and megaesophagus (enlargement of the esophagus). Digestion System - Image Diversity: peristaltic movements
Last Answer : From the lumen to the external surface what are the tissues that form the digestive tube wall?
Description : What is cellular respiration?
Last Answer : Cellular respiration is the process by which cells convert glucose into ATP, the energy currency of the cell.
Last Answer : Cellular respiration is the process by which cells break down organic molecules (such as glucose) to release energy in the form of ATP (adenosine triphosphate), using oxygen and producing carbon dioxide and water as waste products.
Last Answer : A: Cellular respiration is the process by which cells convert organic molecules into usable energy, typically involving the breakdown of glucose and the production of ATP.
Last Answer : A: Cellular respiration is the process by which cells convert organic molecules into ATP, the main source of energy for cellular processes.
Description : Respiration as cellular oxidation and reduction? -Biology
Description : What is the energy currency in cellular respiration? -Biology
Description : Define cellular respiration. -Biology
Description : General equation of cellular respiration. -Biology
Description : What are the products of cellular respiration? -Biology
Description : Where does cellular respiration occur? -Biology
Description : What are the reactants of cellular respiration? -Biology
Description : Why is cellular respiration important? -Biology
Description : Why is oxygen necessary for cellular respiration? -Biology
Description : Why are photosynthesis and cellular respiration viewed as complementary processes? -Biology