Lecture 2 Flashcards

0
Q

What does the phloem transport?

A

Solutes

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1
Q

What does the xylem transport?

A

Water

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2
Q

What are the three types of transport in plants?

A

Enviroment to cell
Cell to cell
Areas of the plant

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3
Q

What are the two main components of the leaf?

A

Pentiole and lamina

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4
Q

What is the function of the waxy cuticle?

A

Prevent water loss and gas exchange

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5
Q

What are trichomes?

A

Hairs that cover the underside of leaves which catch warer, reduce airflow and produce wax

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6
Q

What is symplastic movement?

A

Movement of water and solutes through the plasmodesmata

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7
Q

What is Apoplastic movement?

A

Movement of water and solutes through the cell walls and the intercellular spaces

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8
Q

What is an aquaporin?

A

A small pore forming integral membrane proteins which facilitate the transport of small molecules such as water and gases

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9
Q

Whare are the vascular bundles located in the stem?

A

Around the edge

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10
Q

Where are the vascular bundles located in the root?

A

The centre

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11
Q

What is the casparian strip?

A

It is located in the endodermis of roots and controls movement of water and solutes into the conducting tissues in the root by forming a diffusion barrier

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12
Q

What are the only cells in the lower epidermis of a leaf, which have chloroplast?

A

Guard cells of the stomata

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13
Q

What type of stomata is common in dicots?

A

Elliptical stoma

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14
Q

What shape is graminaceous stomata?

A

Dumbell shaped

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