Description : A characteristic feature of a muscle fibre is the presence of large number of parallel arranged filaments in the sarcoplasm called_____
Last Answer : A characteristic feature of a muscle fibre is the presence of large number of parallel arranged filaments in the sarcoplasm called_____
Description : In biological studies which of the following is used to refer to the oxygen-binding, iron-containing, conjugated protein complex present in the sarcoplasm of muscle cells? a) myelin b) myosin c) myoglobin d) none of these
Last Answer : ANSWER: C -- MYOGLOBIN
Description : Ribosomes similar to those of bacteria found in (A) Plant nuclei (B) Cardiac muscle cytoplasm (C) Liver endoplasmic reticulum (D) Neuronal cytoplasm
Last Answer : Answer : A
Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.
Last Answer : Ans:(d)
Description : Giardia trophozoites contains B A. One nucleus B. Two nuclei C. Three nuclei D. Four nuclei
Last Answer : Two nuclei
Description : The inner surface of the membrance surrounding a muscle fibre is :-
Last Answer : The inner surface of the membrance surrounding a muscle fibre is :- A. Negatively charged B. Positively charged C ... D. A storage depot of `Ca^(++)`
Description : During contraction and relaxation of striated muscle fibre the length of A band usually :-
Last Answer : During contraction and relaxation of striated muscle fibre the length of A band usually :- A. ... . Increases C. Decreases D. Decreases too much
Description : Store house of `Ca^(+2)` in muscle fibre is____
Last Answer : Store house of `Ca^(+2)` in muscle fibre is____
Description : The H-zone in the skeletal muscle fibre is due to
Last Answer : The H-zone in the skeletal muscle fibre is due to A. the absence of myofibrils in the central ... filaments in the central portion of the A-band.
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
Description : The H-disk in the skeletal muscle fibre is due to (a) the absence of myofibrils in the central portion of Aband (b) the central gap between myosin filaments in the Aband Questions (c) the ... myosin filaments in the A-band (d) birefringence of myosin filaments in the central portion of A-band
Last Answer : Ans:(c)
Description : The H-zone in the skeletal muscle fibre is due to (a) the central gap between actin filaments extending through myosin filaments in the A-band (b) extension of myosin filaments in the central portion ... the central portion of A-band (d) the central gap between myosin filaments in the A-band.
Last Answer : (a) the central gap between actin filaments extending through myosin filaments in the A-band
Description : Stimulation of a muscle fibre by a motor neuron occurs at (a) the neuro-muscular junction (b) the transverse tubules (c) the myofibril (d) the sacroplasmic reticulum.
Last Answer : (a) the neuro-muscular junction
Description : (CBSE 2011): Aditi observed following observations while looking into a permanent slide. (i) Cells are long and cylindrical (ii) Light and dark bands are present. It could be a slide of : (a) striated muscle fibre (b) smooth muscle fibre (c) neuron (d) parenchyma cells
Last Answer : (a) striated muscle fibre
Description : Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre
Last Answer : D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre
Description : The site of action of d-tubocurarine is: A. Spinal internuncial neurone B. Motor nerve ending C. Muscle end-plate D. Sodium channels in the muscle fibre
Last Answer : C. Muscle end-plate
Description : Fibre of cotton contains
Last Answer : Ans.Cellulose
Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution
Last Answer : (3) optical fibre Explanation: An endoscope can consist of a rigid or flexible tube and a light delivery system to illuminate the organ or object under inspection. The light source is normally outside the ... in the case of rigid endoscopes or a bundle of fiber optics in the case of a fiberscope.
Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor
Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor
Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution
Last Answer : optical fibre
Description : During muscle contraction (a)____ energy is converted into (b)____ energy
Last Answer : During muscle contraction (a)____ energy is converted into (b)____ energy
Description : Each organised skeletal muscle in our body is made of a number of ____ held together by a common collagenous connective tissue layer called_____
Last Answer : Each organised skeletal muscle in our body is made of a number of ____ held together by a common collagenous connective tissue layer called_____
Description : Fiber is important in ____ function. a. bowel c. muscle b. stomach d. skeletal
Last Answer : a. bowel
Description : HOW many muscle layers does the stomached contains?
Last Answer : 3
Description : Cardiac muscle contains which of the following CK osoenzyme? (A) BB only (B) MM and BB only (C) MM, BB and MB (D) MM and MB only ENZYMES 169
Last Answer : Answer : D
Description : Human heart muscle contains (A) D-Arabinose (B) D-Ribose (C) D-Xylose (D) L-Xylose
Last Answer : C
Description : Answer: b, c The body contains fuel reserves which it can mobilize and utilize during times of starvation or stress. By far the greatest energy component is fat, which is calorically dense since it ... liver and free glucose have a trivial caloric value of less than 1000 kcal for a 70 kg male
Last Answer : Which of the following statement(s) is/are true concerning the indications and administration of nutritional support to cancer patients? a. Preoperative nutritional support should be provided to all ... total parenteral nutrition solutions maintain integrity of the small bowel e. None of the above
Description : In the skeletal muscle: a. myosin is found in the thick filament b. the thin filament contains actin and troponin c. during stimulus excitation calcium ions are derived from the serum d. tropomyosin masks the myosin-combining sites on the actin
Last Answer : tropomyosin masks the myosin-combining sites on the actin
Description : Which one of the following contains the largest quantity of extracellular material? (a) Striated muscle (b) Areolar tissue (c) Stratified epithelium (d) Myelinated nerve fibres
Last Answer : (b) Areolar tissue
Description : A generator that contains afactor of ____ can detectall odd-numberederrors. A) x B) x + 1 C) 1 D) none of the above
Last Answer : x
Description : The ____ level contains constituents at the third level which are knowledge based system, heuristic search, automatic theorem proving, multi-agent system. A. Cognition level B. Gross level C. Functional level D. All of above
Last Answer : B. Gross level
Description : The word ____ on a label, means that a product contains no amount of, or only trivial or “physiologically inconsequential” amounts of, one or more of these components: fat, saturated fat, cholesterol, sodium, sugars, and calories. a. Low c. Lean b. Free d. Reduced
Last Answer : b. Free
Description : Each gram of fat contains ____ kcal. a. 8 c. 7 b. 9 d. 6
Last Answer : b. 9
Description : The ____ is the large central portion of the kernel and contains most of the starch. a. aleurone c. endosperm b. bran d. germ
Last Answer : c. endosperm
Description : A whole egg, including the albumen, contains about ____ calories. a. 15 c. 40 b. 75 d. 120
Last Answer : b. 75
Description : One spear of raw broccoli contains ____ milligrams of phosphorus. a. 93 c. 100 b. 85 d. 79
Last Answer : c. 100
Description : What type of urban model (multiple nuclei, concentric zone, etc) does Antananarivo, Madagascar follow? How?
Last Answer : Could you Google a map of the city and see if by looking at it you can determine the pattern?
Description : Why is there a tedency for electrons to settle around a nuclei in up to eight layers?
Last Answer : Quantized energy levels result from the relation between a particle's energy and its wavelength. For a confined particle such as an electron in an atom, the wave function has the form of ... next possible orbit has a distance twice the electron's wavelength. There can be nothing in between.
Description : What is the difference between basal and hypothalamaic nuclei? -Biology
Last Answer : answer:
Description : What happens to polar nuclei after fertilization? -Biology
Description : How many polar nuclei are in the ovule of the angiosperm? -Biology
Description : Polar nuclei and double fertilization -Biology
Description : Polar nuclei develop into. -Biology