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nln Flashcards

1
Q

what is the name for any substance that stimulates the production of antibodies ?

-collagen
-hemoglobin
-lymph
-antigen

A

antigen

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2
Q

which of the following terms is NOT related to cell division in sexual reproduction ?

-mitosis
-telophase
-fission
-prophase

A

fission

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3
Q

if a cell is placed in a hypertonic solution, what will happen to the cell ?

-it will swell
-it will shrink
-it will stay the same
-it does not affect the cell

A

It will shrink

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4
Q

which group of major parts and organ make up the immune system ?

-lymphatic system, spleen, tonsils, thymus, and bone marrow
-brain, spinal cord, and nerve cells
-heart, veins, arteries, and capillaries
-nose, trachea, bronchial tubes, lungs, alveolus, and diaphragm

A

lymphatic system, spleen, tonsils, thymus, and bone marrow

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5
Q

the rate of a chemical reaction depends on all of the following EXCEPT

-temperature
-surface area
-presence of catalysts
-amount of mass lost

A

amount of mass lost

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6
Q

which of the following statements correctly compares prokaryotic and eukaryotic cells?

-prokaryotic cells have a true nucleus, eukaryotic cells do not
-both prokaryotic and eukaryotic cells have a membrane
-prokaryotic cells do not contain membrane-bound organelles, eukaryotic cells do
-prokaryotic cells are more complex than eukaryotic cells

A

prokaryotic cells do not contain membrane-bound organelles, eukaryotic cells do

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7
Q

what is the role of the ribosomes ?

-make proteins
-waste removal
-transport
-storage

A

make proteins

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8
Q

if an organism is AaBb, which of the following combinations in the gametes is NOT possible?

-AB
-aa
-aB
-Ab

A

aa

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9
Q

what is the oxidation of hydrogen in CaH2?

-+1
–1
-0
-+2

A

-1

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10
Q

which hormone stimulates milk production in the breasts during location ?

-norepinephrine
-antidiuretic hormone
-prolactin
-oxytocin

A

prolactin

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11
Q

what is the typical result of mitosis in humans?

-two diploid cells
-two haploid cells
-four diploid cells
-four haploid cells

A

two diploid cells

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12
Q

which of the following is not true of a reaction catalyst’s potential?

-it can speed up a reaction
-it can cause a reaction
-it is never destroyed
-it is always found on the right side of an equation

A

it is always found on the right side of an equation

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13
Q

which of the following structures has the lowest blood pressure?

-artery
-arteriole
-venule
-vein

A

vein

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14
Q

which element will most likely form a covalently bonded compound when it bonds with sulfur ?

-argon (Ar)
-iron (Fe)
-lithium (Li)
-oxygen (O)

A

oxygen (O)

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15
Q

what is another name for aqueous HI?

-hydroiodate acid
-hydrogen monoiodide
-hydrogen iodide
-hydriodic acid

A

hydriodic acid

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16
Q

which of the heart chambers is the largest?

-left atrium
-right atrium
-left ventricle
-right ventricle

A

left ventricle

17
Q

which of the following is NOT a product of the Krebs cycle?

-carbon dioxide
-oxygen
-adenosine triphosphate (ATP)
- energy carriers

A

oxygen

18
Q

which of the following best describes how the water inside an organism affects its temperature?

-water increases temperature
-water keeps temperature stable
-water decreases temperature
-water does not affect temperature

A

water keeps temperature stable

19
Q

what is the mass (in grams) of 7.35 mol water?

-10.7g
-18g
-132g
-180.6g

A

132g

19
Q
A
20
Q

which of the following proteins is produced by cartilage?

-actin
-estrogen
-collagen
-myosin

A

collagen

21
Q

which component of the nervous system is responsible for lowering the heart rate ?

-central nervous system
-sympathetic nervous system
-parasympathetic nervous system
-distal nervous system

A

parasympathetic nervous system

22
Q

a population of pea plants has 25% dwarf plants and 75% tall plants. the tall allele, T is dominant to the dwarf allele, t. what is the frequency of the T allele?

-0.75
-0.67
-0.5
-0.25

A

0.5

23
Q

what is the name of the binary molecular compound NO5?

-nitro pentoxide
-ammonium pentoxide
-nitrogen pentoxide
-pentnitrogen oxide

A

nitrogen pentoxide

24
Q

in which of the following muscle types are the filaments arranged in a disorderly manner?

-cardiac
-smooth
-skeletal
-rough

A

smooth

25
Q

which hormone is produced by the pineal gland?

-insulin
-testosterone
-melatonin
-epinephrine

A

melatonin

26
Q

which of the following is not true for all cells?

-cells are the basic structures of any organism
-cells can only reproduce from existing cells
-cells are the smallest unit of any life form that carries the information needed for all life processes
-all cells are also called eukaryotes

A

all cells are also called eukaryotes

27
Q

what are the two types of cellular transport?

-passive and diffusion
-diffusion and active
-active and passive
-kinetic and active

A

active and passive

28
Q

a chemistry experiment is performed to determine the effect of a nonvolatile solute on the boiling point of water. Three trials are performed in which 10mg, 20mg, and 30mg of salt are added to 500 mL of distilled water. Each solution is heated on a hot plate, and the elevated boiling points are recorded. Which of the following correctly identifies the independent and dependent variables?

-the independent variable is the amount of salt, and the dependent variable is the temperature at which the water boils
-the independent variable is the amount of water, and the dependent variable is the temperature at which the water boils
-the independent variable is the temperature at which the water boils, and the dependent variable is the amount of salt
-the independent variable is he amount of salt, and the dependent variable is the amount of water

A

the independent variable is the amount of salt, and the dependent variable is the temperature at which the water boils

29
Q

the right lung has ____ lobes and the left lung has ____ lobes

-2,3
-3,2
-4,2
-2,4

A

3,2

30
Q

plant A undergoes C4 photosynthesis. What type of environment would the plant most likely live in?

-plant A lives in a very moist environment
-plant A lives in a very arid environment
-plant A lives in a marine environment
-plant A lives in a dark environment that lacks solar energy

A

plant A lives in a very arid environment

31
Q
A

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