Answer:
Companion cell is a type of specialized parenchyma cell, which is located in the phloem of the flowering plants.
Each of the companion cell is usually associated with the sieve element. The main function of the companion cell is uncertain but it regulates the activity of sieve tube.
It plays a major role in the loading and unloading of the sugar molecules into the sieve element. As the sieve tubes do not have nucleus and ribosomes so they need companion cell to help in the transportation of sugar molecules.
Wait - do u use Schoology?
Answer:
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Explanation:
This medication is used to treat minor aches and pains of the muscles/joints (such as arthritis, backache, sprains). Menthol is known as a counterirritant. It works by causing the skin to feel cool and then warm. These feelings on the skin distract you from feeling the aches/pains deeper in your muscles and joints.
Answer:
The ultimate goal of the ETC is to produce the high-energy molecule adenosine triphosphate (ATP) to catalyze biochemical reactions. The precursors of ATP, adenosine diphosphate (ADP) and inorganic phosphate (Pi) are readily imported into the mitochondrial matrix.
Explanation:
