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?

A

Iron

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?

A

Heating

22
Q

What results in oblique sun rays?

A

Cooling

23
Q

How long is the lunar cycle?

A

28 days

24
Q

Tides are caused by what?

A

The moon

25
Q

Tides happen about every…

A

12.5 hours

26
Q

Phase changes are the…

A

Changing portion of luminated surface as moon revolves

27
Q

One side of the moon will forever…

A

Face the earth

28
Q

Photoperiodism is…

A

A response of an organism to seasonal changes in day length

29
Q

Why do leaves change colors?

A

Plants stop producing chlorophyll because of lack of sunlight

30
Q

Why don’t trees keep their leaves?

A

Leaves would freeze, trees would weigh the tree down, and trees could die from lack of water

31
Q

Most people dying of HIV and Aids were because of…

A

Blood transfusions

32
Q

What problem do hemophiliacs have?

A

Their blood can’t clot

33
Q

HIV can lead to…

A

Aids

34
Q

What cells does HIV attack?

A

T-cells

35
Q

What cells replicate the HIV virus?

A

T-cells