Answer:
Enzymes are specific because of their shape and catalyse only certain reaction
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Cover the myosin binding site present on actin and prevent extra contraction of muscles
Receptors detect changes in the environment. For a stimulus to elicit a response, certain cells must have an appropriate receptor. Stimulation of the receptor initiates a specific signal pathway.
<span>For the answer to the question above, flowers of corn are pollinated by the wind. They are small and lightweight to allow easy pollination by the wind. They do not need to attract animals or insects and are therefore colorless and odorless.</span>
Answer:
<u>The ocean absorbs nitrogen gas from the atmosphere. In open-ocean areas with low concentrations of nutrients (“oligotrophic” regions), some of this nitrogen is taken up by microbes and transformed into various chemical compounds</u>