Pretest Flashcards

1
Q

What reproduces itself, has 2 membranes, and makes its own protein?

A

Mitochondria

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2
Q

what are photosynthetic organisms that use light energy to drive synthesis called?

A

Photoautotrophs

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3
Q

How many ATPs does 1 glucose molecule produce?

A

38 ATPs

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4
Q

What does sugar generate?

A

ATPs

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5
Q

What is electron transfer?

A

Energy

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6
Q

The 4 major classes of biological macromolecules is…

A

Lipids, protein, carbohydrates, and nucleic acid

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7
Q

Animals are…

A

Heterotrophs

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8
Q

What are heterotrophs?

A

Organisms that need food in a ready-made state and are motile

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9
Q

Inorganic compounds can be used by…

A

Plants

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10
Q

Plants are…

A

Autotrophs and sessile

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11
Q

Plant cell walls are made out of…

A

Cellulose

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12
Q

DNA contains…

A

Code for protein

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13
Q

Fungi are…

A

Decomposers

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14
Q

What determines rate of fall?

A

Air resistance

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15
Q

What is the regulatory part of the brain?

A

Hypothalamus

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16
Q

What in red blood cells make them red?

17
Q

The circumference of the earth is how long?

A

24,000 miles

18
Q

Orbits are…

A

Revolutions

19
Q

Who named the months?

A

The Romans

20
Q

What did the Africans measure the sun with?

A

Tools like domes and sundials

21
Q

What results in 90° sun rays?

22
Q

What results in oblique sun rays?

23
Q

How long is the lunar cycle?

24
Q

Tides are caused by what?

25
Tides happen about every…
12.5 hours
26
Phase changes are the…
Changing portion of luminated surface as moon revolves
27
One side of the moon will forever…
Face the earth
28
Photoperiodism is…
A response of an organism to seasonal changes in day length
29
Why do leaves change colors?
Plants stop producing chlorophyll because of lack of sunlight
30
Why don’t trees keep their leaves?
Leaves would freeze, trees would weigh the tree down, and trees could die from lack of water
31
Most people dying of HIV and Aids were because of…
Blood transfusions
32
What problem do hemophiliacs have?
Their blood can’t clot
33
HIV can lead to…
Aids
34
What cells does HIV attack?
T-cells
35
What cells replicate the HIV virus?
T-cells