structure and functions of the leaf

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Biology

10 Terms

1

Structure of a leaf!!

It’s important for the leaf structure to adapt in order to maximize the process of photosynthesis

<p>It’s important for the leaf structure to adapt in order to maximize the process of photosynthesis</p>
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2

What is the formula of photosynthesis?

6CO2 + 6H2O + Energy(sunlight) → C6H12O6(glucose/sugar) + 6O2

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3

Cuticle

The waxy layer on a leaf that prevents water loss

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4

Upper and lower epidermis

Transparent skin that lets in light and protects the leaf

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5

Palisade parenchyma

-Contains chloroplast that preforms photosynthesis

-Makes glucose

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6

Spongey parenchyma

-Air pockets containing CO2 and O2

-Allows the interchange of gases necessary for photosynthesis

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7

Veins

-Contains the xylem and phloem

-Xylem: Transports H2O and minerals from roots → leaves

-Phloem: Transports glucose from leaves → roots(as sucrose)

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8

Stoma

-Allows gases in and out

-CO2 goes in, O2 and H2O goes out = DIFFUSION!!

-Located on the bottom of the leaf

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9

Guard cells

-Uses H2O pressure to regulate the stoma size

-Located on the bottom of the leaf

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10

Leaf, “organ”

Large, flat surface area for increases light absorption

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