plants part 2 Flashcards

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1
Q

 Water and ______ minerals move from

___ into ___ tissues (epidermis, cortex)

A

dissolved soil root

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2
Q

Water and minerals move upward, from

____xylem to___ xylem to ___ xylem

A

root stem leaf

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3
Q

 Water entering leaf exits ___ ___ and

passes into _______

A

leaf veins atmosphere

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4
Q

Tension Cohesion in Transpiration causes evaporative ___ that causes ____ at top of plant, a result of water _____ ______

A

pull, tension ,potential gradient

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5
Q

Tension–Cohesion Column of water pulled up through the
plant remains ______ due______ and ______ properties of
water

A

unbroken, cohesive and adhesive

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6
Q

According to the tension–cohesion model,_________

pulls water up through the ____ as water evaporates from leaves by ________

A

transpiration, stem, transpiration

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7
Q

What Explains rise of water in smaller plants

particularly when soil is wet

A

Root Pressure

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8
Q

_____ ______Pushes water up through ____ water moves from soil into roots due to _____ ______ of mineral ions from soil

A

RootPressure,xylem,active absorption

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9
Q

Sugar Translocation

A

 Dissolved sugar is translocated upward or downward in phloem

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10
Q

Sugar Translocation is from area of ___ to a ___

A

excess sugar (usually a leaf ,to a sink (area of storage or sugar use: roots,a pical meristems, fruits, seeds)

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11
Q

_____ predominant sugar

translocated in phloem

A

 Sucrose

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12
Q

Taproot System
Has _ ____ root
from which many lateral _____ _____

A

one main, roots extend

dicot*

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13
Q

Fibrous Root System

 Has many adventitious roots of ____ size

A

same

monocot *

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14
Q

Root cap are/do (3)

A

protective layer that covers the root tip
 covers delicate root apical meristem
 may orient root so that it grows downward

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15
Q

Root hairs are/ do

A

short-lived extensions of epidermal cells

 help absorb water and dissolved minerals

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16
Q

 The _______ absorbs mineral ions

from the soil solution by an active process requiring _____

A

endodermis, energy

17
Q

Mycorrhizae

A

Mutually beneficial associations between

roots and soil fungi

18
Q

Root Nodules House rhizobia which

A

(nitrogen-fixing bacteria)

19
Q

Which type of organism likely

existed first on planet Earth?

A

Chemoheterotrophs

20
Q

Chloroplasts

 Enclosed by a

A

double membrane

21
Q

Photosynthetic Pigments In thylakoid membranes are

A

chlorophyll a
 chlorophyll b
 Carotenoids

22
Q

_____ excite photosynthetic pigments and move to ______ ______ compounds

A

Photons,electron acceptor

23
Q

basic process  Light-dependent reactions

A

light energizes electrons that generate ATP

and NADPH

24
Q

basic process Carbon fixation reactions

A

use energy of ATP and NADPH to form

carbohydrate

25
Q

Noncyclic Electron Transport in light ______ form ____ ____

A

-dependent reactions

 form ATP and NADPH

26
Q

Carbon fixation (Calvin Cycle) reactions incorporate

A

CO2

into organic molecules