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SAAT Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

. When an individual enters the population

A

Immigration

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2
Q

the resistance of the body to a
change in motion?

A

Inertia

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3
Q

an example of flatworms

A

Planarians

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4
Q

Waxes are considered to be

A

Lipids

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5
Q

fish is considered a part of the
order jawless fishes

A

. Lampreys

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6
Q

chromosome shows a female
diagnosed with turner’s syndrome

A

XO

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7
Q

How do drugs affect neurotransmitters in the nervous
system

A

A. Increase their secretions

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8
Q

reasons lead to the extinction of
some birds species

A

Habitat alteration

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9
Q

Which of the following is considered a disaccharide

A

Sucrose

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10
Q

What is the most complex level of organization

A

Ecosystem

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11
Q

Certain animal individuals are living in a colony
together and each is doing a function that is helping the
other members on the cost of their lives, this behavior is
called?

A

Altruistic

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12
Q

People diagnosed with the influenza virus can actually
feel that they are infected because?

A

Deficiency in producing
ATP

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13
Q

There is a difference in the distribution of oxygen and
food in pond water layers, since in the spring seasons
there is more distribution than in winter seasons explain
why?

A

The wind movement

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14
Q

AIDS is dangerous because

A

It attacks the Helper T
Cell

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15
Q

Where can we find lysosomes

A

animal cell

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16
Q

Which of the secretions has no enzymes

A

Bile

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17
Q

Which of the following mammals are in the subgroup
Monotremes

A

. duck-billed platypus

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18
Q

It is used as an insect repeller

A

Microsporidia

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19
Q

Which type of chlorophyll absorbs a greater portion of
light?

A

a

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20
Q

Which of the following organs in the human body
works when there is stress and emergency?

A

The sympathetic nervous
system

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21
Q

What is the behavior that cares about finding and eating
food

A

Foraging behavior

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22
Q

What is the condition that increases fluidity of
phospholipid bilayer

A

Increasing the cholesterol
molecules

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23
Q

If seawater was polluted by oil what is the organism that
can be added to clean the water

A

Microorganisms bacteria or fungi

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24
Q

Helps in detecting motion in water and in maintaining
balance:

A

. Lateral Line system

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25
Q

Egg then nymph then molting then adult insect, this
metamorphosis is for

A

Grasshopper

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26
Q

The cell wall of prokaryotic eubacteria contains:

A

Peptidoglycan

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27
Q

When does a pregnant mother feel the movement of the
embryo:

A

. Second trimester

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28
Q

Penicillin is extracted from

A

Fungi

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29
Q

The tissue that supports plants at the beginning of growth

A

Collenchyma

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30
Q

The nervous system that controlled by hypothalamus in the
brain is

A

Autonomic

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31
Q

When contraceptive pills (birth control pills) are consumed
they lead to

A

Increase in Progesterone

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32
Q

What does nucleosome consist of

A

. DNA connected by
histone

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33
Q

If you walk barefoot on contaminated soil, which worm is
likely to infect you

A

. Hookworm

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34
Q

Giardia lambia is considered

A

Protests

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35
Q

How many chromosomes are in a cell that undergoes
prophase I of meiosis if it had 12 chromosomes during
interphase

A

12

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36
Q

A stage in insects when it is inside a pupa and does not
feed

A

Pupa

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37
Q

A fossil of an unknown organism was found, it had tube
feet, it should be classified as

A

Echinoderm

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38
Q

Which of the following cells according to their sizes can
obtain food more easily

A

1μm3

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39
Q

Feeding of sponges

A

Filter feeders

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40
Q

A crow breaks an egg to feed this behavior is considered:

A

Foraging

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41
Q

Which blood type doesn’t have an antigen

A

O

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42
Q

The function of mantle in mollusks

A

Respiration and support

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43
Q

Which worm takes mosquitos as hosts

A

Filarial worms

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44
Q

Scientists discovered that they can decrease the height of plants
by varying a certain type of hormone which is

A

Gibberellins

45
Q

What is the main reason of constipation

A

Little amount of water in
the chime

46
Q

organisms doesn’t have any way to move
except by gliding?

A

Plasmodium

47
Q

After sperm is produced in testes it is stored in

A

Epididymis

48
Q

Which animals lack a urinary bladder

A

Birds

49
Q

A density-dependent factor that can affect population growth

A

. Parasites

50
Q

Bats belong to a group of mammals called

A

Placental

51
Q

Which of the following depends on the individual’s sex

A

. baldness

52
Q

The type of mutation of GGGC that became GGAC

A

Substitution

53
Q

Which of the following systems is responsible for the production
of red blood cells

A

Skeletal

54
Q

Which of the following molecules stores energy

A

ATP

55
Q

The type of bacteria in sewage water

A

Methanogen

56
Q

A person with osteoporosis has deficiency in

A

Calcium

57
Q

Responsible for producing energy in a cell:

A

Mitochondria

58
Q

What is crossing over?

A

Exchange of
chromosomal segments
between homologous
chromosome

59
Q

The benefit of the fungus )الت ات )that grows on potatoes

A

Water absorption

59
Q

Genetic disorder resulting from the body being unable to
digest galactose

A

Galactosemia

59
Q

Caecilians are different from frogs in that they are

A

. legless

60
Q

In humans Huntington’s disease affect which system

A

Nervous

61
Q

What is the function of the cytoskeleton

A

Maintaining the shape of the cell

62
Q

In the first 3 months (first trimester) of pregnancy what
happens to the embryo

A

. Fingerprints start to
appear and organs begin to develop

63
Q

What is shared between calcium and vitamin P and D

A

Health of bones and teeth

64
Q

What happens if the number of ribosomes is reduced?

A

. Decrease in the
production of proteins

64
Q

Anemone Coronaries is from

A

Coelenterata

64
Q

When many organisms use the same resources at the same
time this is called

A

Competition

65
Q

A symbiotic relationship between two organisms in which
both of them benefit each other:

A

Mutualism

66
Q

In the red sea some toxic organic waste was spread which of
the following animals is damaged the most

A

Birds

66
Q

What is the chromosomal formula for down syndrome

A

45+XY

67
Q

A desert plant that has no leaves and get water by absorbing
it from its stem this method help in

A

Decrease in the
transpiration of water

68
Q

. The trait that appears in the first generation is…

A

Dominant

69
Q

Increasing the sets of chromosomes (Polyploidy) in a wheat
plant result in

A

Strength and hardness

70
Q

total amount of living tissues within a given trophic level is

A

biomass

71
Q

a model of complex feeding interactions among organismis in a community from producers to consumers is called

A

food web

72
Q

what is the term for each step in the transfer if energy and matter withinn a food web

A

trophic level

73
Q

a word that means the same thung as consumer

A

heterotroph

74
Q

nitrogen fixations is carried out primarlly by

A

bactcteria

75
Q

primary succsion most likely occurs after

A

a lava flow

76
Q

difference between primary and secondary succseion

A

secondary begins on soil and primary begins on newly exposed areas

77
Q

biome that is characterized by very low temp, little preciption and permafrost

A

tundra

78
Q

not freshwater ecosystem

A

estuary

79
Q

the photic zone

A

extends to 200 m depth

80
Q

ddt is used to

A

kill nsects

81
Q

human impact on the bisosphere is called

A

ecological footprint

82
Q

who used a compound microscope to see chambers wuthing a cork and named them cells `

A

robert hooke

83
Q

which organelle breaks down oragneels that are no longer usefull

A

lysosomes

84
Q

what are the three parts of ATP molecule

A

adenine, ribose and three phospate groups

85
Q

energy released from ATP when

A

phospate group is removed

86
Q

plants gather energy with light absorbing moslecules called

A

pigments

87
Q

a granum is a

A

stack of thykloids

88
Q

the stroma is in the region outside the

A

thykloids

89
Q

where is the chloloplast in chlorophyll found

A

thykloid membrane

90
Q

what happens when cholorphyll is struck by sunlight

A

electrons in the cholorphyll molecule become energized

91
Q

what is the role of NADP+ in photosyntheis

A

electrin carrier

92
Q

light dependent reactions take place in

A

thylakoid membran

93
Q

products of LDR

A

ATP NADPH oxygen gas

94
Q

calvin cyle is

A

LIDR

95
Q

calvin cyle takes place in

A

stroma

96
Q

product of calvin cycle

A

high energy sugars

97
Q

correct sequence for cellular respirtation

A

glycolysis —> krebs cycle –> electron tranport

98
Q

where does glycolysis take place

A

cytoplasm of cell

99
Q

glycoloysis provides a cell with a net gain of

A

2 atp molecules

100
Q

electron carrier that plays a role in cellualr respiration

A

NAD+

101
Q

starting molecules for krebs cycle is

A

pyruc=vic acid

102
Q

krebs cycle produces

A

co2

103
Q

in eukaryotes electrin transport occurs in

A

inner mitchondrial membrane

104
Q
A

Biology (1 decks)

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