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liq [111]
3 years ago
14

before a chemical reaction can start, energy must be absorbed by the reactants. the amount that must be absorbed to start the re

action is called the blank.
Biology
1 answer:
bixtya [17]3 years ago
3 0
It is called the activation energy.
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4 years ago
Insect hormones and their receptors ________. A. act independently of each other B. are a focus in pest control research C. util
Leokris [45]

Insect hormones and their receptors are a focus in pest control and research. Hence, Option B is correct.

Some of the insect hormones such as ecdysone (molting hormone), JH (juvenile hormone) and their analogs can be used for biological  control of pests.

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Option C: Peptide hormones interact with only cell surface whereas aminoacid derivatives and thyroid hormones directly interact with nucleus. so Option C is incorrect.

option D is incorrect.

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3 0
2 years ago
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inn [45]

Answer:

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