Ans.
Cell-to-cell communication allows signalling of essential substances between the plant cells, which are surrounded by cell walls. The molecules used by plants for long-distance signalling are known as hormones, such as auxin, ethylene, and gibberelin.
These hormones are secreted by one plant cell and received by another plant cell, where it exerts it affect. Thus, the correct answer to be fill in the blank is 'option A). hormones.'
Answer:
Release carbon into the atmosphere through respiration
Explanation:
During cellular respiration the molecule takes in oxygen and glucose. ... Pyruvate is transported into the mitochondria and loses carbon dioxide to form a two-carbon molecule.
Answer:
animals
Explanation:
Animals are technically not made from nature, while all the others are made from natural resources.
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