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SAAT 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
Egg then nymph then molting then adult insect, this metamorphosis is for
Grasshopper
26
The cell wall of prokaryotic eubacteria contains:
Peptidoglycan
27
When does a pregnant mother feel the movement of the embryo:
. Second trimester
28
Penicillin is extracted from
Fungi
29
The tissue that supports plants at the beginning of growth
Collenchyma
30
The nervous system that controlled by hypothalamus in the brain is
Autonomic
31
When contraceptive pills (birth control pills) are consumed they lead to
Increase in Progesterone
32
What does nucleosome consist of
. DNA connected by histone
33
If you walk barefoot on contaminated soil, which worm is likely to infect you
. Hookworm
34
Giardia lambia is considered
Protests
35
How many chromosomes are in a cell that undergoes prophase I of meiosis if it had 12 chromosomes during interphase
12
36
A stage in insects when it is inside a pupa and does not feed
Pupa
37
A fossil of an unknown organism was found, it had tube feet, it should be classified as
Echinoderm
38
Which of the following cells according to their sizes can obtain food more easily
1μm3
39
Feeding of sponges
Filter feeders
40
A crow breaks an egg to feed this behavior is considered:
Foraging
41
Which blood type doesn’t have an antigen
O
42
The function of mantle in mollusks
Respiration and support
43
Which worm takes mosquitos as hosts
Filarial worms
44
Scientists discovered that they can decrease the height of plants by varying a certain type of hormone which is
Gibberellins
45
What is the main reason of constipation
Little amount of water in the chime
46
organisms doesn’t have any way to move except by gliding?
Plasmodium
47
After sperm is produced in testes it is stored in
Epididymis
48
Which animals lack a urinary bladder
Birds
49
A density-dependent factor that can affect population growth
. Parasites
50
Bats belong to a group of mammals called
Placental
51
Which of the following depends on the individual’s sex
. baldness
52
The type of mutation of GGGC that became GGAC
Substitution
53
Which of the following systems is responsible for the production of red blood cells
Skeletal
54
Which of the following molecules stores energy
ATP
55
The type of bacteria in sewage water
Methanogen
56
A person with osteoporosis has deficiency in
Calcium
57
Responsible for producing energy in a cell:
Mitochondria
58
What is crossing over?
Exchange of chromosomal segments between homologous chromosome
59
The benefit of the fungus )الت ات )that grows on potatoes
Water absorption
59
Genetic disorder resulting from the body being unable to digest galactose
Galactosemia
59
Caecilians are different from frogs in that they are
. legless
60
In humans Huntington’s disease affect which system
Nervous
61
What is the function of the cytoskeleton
Maintaining the shape of the cell
62
In the first 3 months (first trimester) of pregnancy what happens to the embryo
. Fingerprints start to appear and organs begin to develop
63
What is shared between calcium and vitamin P and D
Health of bones and teeth
64
What happens if the number of ribosomes is reduced?
. Decrease in the production of proteins
64
Anemone Coronaries is from
Coelenterata
64
When many organisms use the same resources at the same time this is called
Competition
65
A symbiotic relationship between two organisms in which both of them benefit each other:
Mutualism
66
In the red sea some toxic organic waste was spread which of the following animals is damaged the most
Birds
66
What is the chromosomal formula for down syndrome
45+XY
67
A desert plant that has no leaves and get water by absorbing it from its stem this method help in
Decrease in the transpiration of water
68
. The trait that appears in the first generation is…
Dominant
69
Increasing the sets of chromosomes (Polyploidy) in a wheat plant result in
Strength and hardness
70
total amount of living tissues within a given trophic level is
biomass
71
a model of complex feeding interactions among organismis in a community from producers to consumers is called
food web
72
what is the term for each step in the transfer if energy and matter withinn a food web
trophic level
73
a word that means the same thung as consumer
heterotroph
74
nitrogen fixations is carried out primarlly by
bactcteria
75
primary succsion most likely occurs after
a lava flow
76
difference between primary and secondary succseion
secondary begins on soil and primary begins on newly exposed areas
77
biome that is characterized by very low temp, little preciption and permafrost
tundra
78
not freshwater ecosystem
estuary
79
the photic zone
extends to 200 m depth
80
ddt is used to
kill nsects
81
human impact on the bisosphere is called
ecological footprint
82
who used a compound microscope to see chambers wuthing a cork and named them cells `
robert hooke
83
which organelle breaks down oragneels that are no longer usefull
lysosomes
84
what are the three parts of ATP molecule
adenine, ribose and three phospate groups
85
energy released from ATP when
phospate group is removed
86
plants gather energy with light absorbing moslecules called
pigments
87
a granum is a
stack of thykloids
88
the stroma is in the region outside the
thykloids
89
where is the chloloplast in chlorophyll found
thykloid membrane
90
what happens when cholorphyll is struck by sunlight
electrons in the cholorphyll molecule become energized
91
what is the role of NADP+ in photosyntheis
electrin carrier
92
light dependent reactions take place in
thylakoid membran
93
products of LDR
ATP NADPH oxygen gas
94
calvin cyle is
LIDR
95
calvin cyle takes place in
stroma
96
product of calvin cycle
high energy sugars
97
correct sequence for cellular respirtation
glycolysis ---> krebs cycle --> electron tranport
98
where does glycolysis take place
cytoplasm of cell
99
glycoloysis provides a cell with a net gain of
2 atp molecules
100
electron carrier that plays a role in cellualr respiration
NAD+
101
starting molecules for krebs cycle is
pyruc=vic acid
102
krebs cycle produces
co2
103
in eukaryotes electrin transport occurs in
inner mitchondrial membrane
104

Biology (1 decks)

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