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Enzymes > ENZYMES > Flashcards

ENZYMES Flashcards

1
Q

what is an enzyme made up of?

A

1) Protein: apoenzyme

2) non-protein: cofactor

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2
Q

what breaks down hydrogen peroxide?

A

Catalase

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3
Q

what is necessary to make thyroxin?

A

Iodine

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4
Q

what does an enzyme do?

A

Makes rxn rate faster

Lowers a rxns activity energy

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5
Q

detects temp. changes in the body

A

thermoreceptors

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6
Q

detects light

A

photoreceptors

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7
Q

What secretes horomones into ducts

A

exocrin glands

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8
Q

what secretes horomones directly into the blood

A

endocrin glands

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9
Q

detects changes in blood pressure

A

pressoreceptors

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10
Q

lipid based horomones are composed of…

A

Steroids

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11
Q

part of the brain that regulates body temp.

A

hypothalmus

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12
Q

type of feedback that is very rare in humans but are present in birth

A

positive feedback

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13
Q

a sequence of enzyme-catalyzed chemical rxns which are all linked together

A

metobolic pathway

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14
Q

what does penicillin do?

A

inhibits enzymes needed for bacteria to build its cell wall during growth and cell division

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15
Q

name of complete enzyme when its binded to a substrate

A

enzyme-substrte complex

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16
Q

where and what makes up an enzyme?

A

An enzyme is a protien

Ribosomes, nuleus, golgi ap., ruff er

17
Q

what denatures an enzyme?

A

High temp, pH, heavy metals

18
Q

what shape is an enzyme?

A

tertiary

19
Q

what horomone is present in childbirth?

A

oxytocin horomone

20
Q

what does cyanide do?

A

prevents the cells of the body from using oxygen

21
Q

what pH does the stomach have?

A

LOW pH

22
Q

what maintains blood glucose levels?

A

Hormones insulin and glucagon

23
Q

what maintains blood pH?

A

a buffer which absorbs excess acid or excess base

24
Q

what maintains blood pressure?

A

osmoreceptors located in the carotid arteries and aorta

Enzymes (1 decks)

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