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Which one of the following pairs of chemical substances, is co
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Which one of the following pairs of chemical substances, is correctly categorised?

A
Calcitonin and thymosin - Thyroid hormones

B
Pepsin and prolactin - Two digestive enzymes secreted in stomach

C
Troponin and myosin - Complex proteins in striated muscles

D
Secretin and rhodopsin - Polypeptide hormones

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Updated on: Dec 9, 2022

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33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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Skeletal muscle fibres occur in bundles and are normally attached to the skeleton. Each muscle fibre is an elongated cell surrounded externally by a delicate membrane, the sarcolemma. Just beneath the sarcolemma in each fibre many nuclei occur at irregular intervals. Thus, these fibres are mutlinucleated or syncytial in nature. The cytoplasm of each fibre (sarcoplasm) has a large number of myofibrils which are tightly packed. Each myofibril shows dark bands (A bands) containing myosin and light band (I bands) containing actin, alternating with each other. That is why these are named as striped muscle fibres.
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Question Text
Which one of the following pairs of chemical substances, is correctly categorised?
Updated OnDec 9, 2022
TopicChemical Coordination and Integration
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes192
Avg. Video Duration12 min