Biology Chpt 8 Flashcards

(24 cards)

0
Q

Process by which autotrophs use sunlight, water and carbon dioxide to produce carbohydrates and oxygen is called __________________.

A

Photosynthesis

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1
Q

Describe the role of ATP (Adenosine triphosphate) in cellular activities

A

ATP is a compound that cells use to store and release energy

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2
Q

What is an autotroph?

What is a heterotroph?

A

Living thing that gets food by making it. ( i.e. Plants)

Living thing that gets food by consuming other living things.

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3
Q

Explain where plants get the energy they need to produce food

A

From the sun through photosynthesis

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4
Q

How is a partially charged battery like ATP?

A

both have potential to store and release energy

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5
Q

Why do cells contain only a small amount of ATP?

A- ATP cannot store large amounts of energy for a long time
B- ATP releases energy too quickly
C- ATP cannot carry out active transport
D- ATP has only two phosphate groups

A

???

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6
Q

An organism that directly uses sunlight for energy is called an autotroph or heterotroph?

A

Autotroph

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7
Q

An organism that consumes other living things to get energy is called an autotroph or a heterotroph?

A

Heterotroph

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8
Q

Which is capable of photosynthesis an autotroph or a heterotroph?

A

Autotroph

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9
Q

The primary difference between structures of ATP and ADP is that ATP has ___________ phosphate groups and ADP has ________ phosphate groups.

A
  1. 2.
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10
Q

When ATP is changed to ADP it releases ____________.

A

Energy

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11
Q

Describe the role of light and pigments in photosynthesis

A

????

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12
Q

Explain the role of electron carrier molecules in photosynthesis

A

????

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13
Q

State the overall equation for photosynthesis

A

Water and carbon dioxide taken into plant. Acted upon by light.

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14
Q

In plants, photosynthesis takes place in the chloroplasts. T/F

A

true

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15
Q

Where do light independent reactions occur?

Thylakoids. Or. Stroma

16
Q

Where do the light-dependent reactions occur?

thylakoids. Or. Stroma

17
Q
The function of chlorophyll is 
A- protect a plant from losing water
B- help plant absorb oxygen
C- protect the plant cell
D- capture energy from the sun
A

D- capture energy from the sun

18
Q

Which reactions change the energy of sunlight to energy rich carriers?

Light dependent reactions. Or. Light independent reactions

A

Light dependent reactions.

19
Q

Which two reactants are needed for light dependent reactions?

Carbon dioxide. Light. Oxygen. Water

A

Carbon dioxide and water. (Acted upon by the light)

20
Q

Which two reactants are needed for light independent reactions?

Carbon dioxide. Energy-rich compounds. Oxygen. Stroma

21
Q

Describe what happens during light dependent reactions

A

Carbon dioxide and water taken in and acted upon by light to ________________________.

22
Q

Explain what happens during light independent reactions

23
Q

Identify factors that affect the rate at which photosynthesis occurs?