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Muscle protein binds Ca^(2+) that is rel...

Muscle protein __binds `Ca^(2+)` that is released from the sarcoptasmic reticulum.

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troponin
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HCG released from -

[A] : Upon stimulation of a muscle cell, cal- cium ions (Ca^(++)) are released from the sar- coplasmic reticulum. [R]: In reacting with a protein complex, Ca^(++) unmasks myosin binding sites on the ac-tin filaments.

NH_(3) released from

Assertion: on stimulation, a muscle cell releases calcium ions (Ca^(2+)) from sarcoplasmic reticulum. Reason: By reacting with a protien complex, Ca^(2+) uncover active sites on the actin filaments.

The oxygen in photosynthesis is released from

Go through the following statements During muscle contraction, the width of A-band remains constant while I-band shortens. During muscle contraction, the Ca^(2+) released from the SR bind to the troponin component of thin filament The process of muscle contraction is faster in smooth muscle as they have a well developed sarcoplasmic reticulum. The red muscle fibres have abundant mitochondria, low glycogen and poorly formed sarcoplasmic reticulum.

Reception for protein hormones are located (a) in the nucleus (b) in the cytoplasm (c) on the cell surface (d) on the endoplasmic reticulum

Go through the following statements : (i) Lysosomes contain hydrolytic enzymes which are optimally active at the alkaline pH. (ii) A number of proteins synthesised by ribosomes on the endoplasmic reticulum are modified in the cisternae of the Golgi apparatus before they are released from its cis face. (iii) Typically a mitochondrion has a diameter of 0.2-1.0 mu m and length of 1.0 - 4.1 mu m (iv) Elaioplasts store oils and fats. Find out the correct statements

Name the proteins present in muscle?

Major protein in the thick filaments of skeletal muscle fibre is

SANTRA PUBLICATION-MOVEMENT AND LOCOMOTION-Fill In The Blanks
  1. A synovial cavity is found in joint.

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  2. Longest bone in the human body .

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  3. The total number of vertebrae in infant is .

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  4. muscle fibres store much O(2) in combination with .

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  5. number of bone is present in the human skull.

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  6. Anaerobic work becomes painful because of the accumulation of .

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  7. The ankle, knee and elbow joints are all joints.

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  8. The fast two pairs of ribs forming the sides of the chest cavity are c...

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  9. The total number of muscles in the body of man is .

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  10. The all-or-none law of muscle contraction refers to a maximum contract...

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  11. is an example of the articulation of femur and pelvic girdle.

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  12. In the human body the number of bones is.

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  13. During the flexion of the elbow joint, the muscle contracts and the mu...

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  14. The elastic rubber-like cap by which the ends of bones are covered is ...

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  15. The skull bones are joined at the sutures by tissues and the bodies of...

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  16. bones form the base of the skull.

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  17. Latent period is required for the to the impulse from the to muscle.

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  18. Muscle protein binds Ca^(2+) that is released from the sarcoptasmic re...

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  19. proposed the sliding filament theory of muscle contraction.

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  20. The transparent cell wall of the muscle fibre is named as.

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