How do the reactant molecules of photosynthesis reach the chloroplasts in leaves?

Answer 1

Stomata and xylem

So the reactants of photosynthesis are water, carbon dioxide and light energy.

The water reaches the leaves via the xylem, which is found in the vascular bundle which is made of 2 main parts, the xylem (which carries water from the roots up the plant) and the phloem (which carries sugar from the leaves to the rest of the plant). Basically the roots absorb the water and transports it up the xylem, which gets it to the leaves.

Carbon dioxide reaches the chloroplasts in the leaves via a stomata. It basically is a microscopic mouth found on the underside of leaves that is responsible for releasing water (transpiration) in the form of dew, and gas exchange. It takes in carbon dioxide and releases oxygen once the photosynthesis reaction is complete.

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Answer 2

The two reactant molecules of photosynthesis, carbon dioxide and water, are transported from the roots to the leaves by specialized vascular tissues called xylem, and once inside the leaf, both molecules are transported to the chloroplasts, where photosynthesis occurs. The leaves have small pores called stomata on their surface through which carbon dioxide diffuses into the leaf and water is transported from the roots to the leaves.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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