enzymes I think Flashcards

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1
Q

enzyme

A

acts as a catalyst in living organisms, regulating the rate at which chemical reactions without being altered

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2
Q

what is the suffix for enzyme

A

ase

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3
Q

2 positive feedback systems

A

childbirth and producing milk after labor

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4
Q

what hormones are involved in positive feedback

A

oxytosin

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5
Q

metabolism

A

combination of all the chemical reactions that are happening within the organism

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6
Q

enzymes are made of

A

proteins

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7
Q

where are the instructions to makes proteins

A

DNA nucleus rough endoplasmic reticulum

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8
Q

homeostasis

A

maintaining the internal environment of the body as equilibrium

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9
Q

active site

A

the portion of the enzyme that binds with he substrate

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10
Q

allosteric site

A

being a change in the shape and activity of a protein that results from combination with another substance at a point other than the chemically active site.

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11
Q

what 3 things cause a protein to denature

A

heat pH heavy metals

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12
Q

exocrine

A

glands secrete hormones into ducts

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13
Q

thyroxin

A

the main hormone secreted into the bloodstream by the thyroid gland.

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14
Q

metabolic rate

A

The amount of energy expended over a specific period of time

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15
Q

enzymes work on ____ substrate

A

1

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16
Q

components of the body which detect temperature changes

A

thermorecpetors

17
Q

inhibitor function

A

occurs when the increase in the product of an enzyme catalyzed reaction cause it to slow by inhibiting th associated enzyme

18
Q

diseases occurs if you don’t get enough

A

?

19
Q

thyroxin function

A

which stimulates the metabolic rate. It controls the speed at which oxygen and food products react

20
Q

if things are kept stead what kind of feedback is that

A

negative

21
Q

what gland makes thyroxin

A

thyroid

22
Q

what is attached to make more or less thyroxin

A

hypothalamus -> petuary gland

23
Q

rxn that puts things together

A

dehydration synthesis

24
Q

rxn that pulls apart

A

hydrolisis

25
Q

induced fit

A

states that the binding of a substrate to an enzyme causes a change in the shape of the enzyme

26
Q

hypothalamus

A

where thermo receptors are

27
Q

lock and key

A

the model that considers the substrate and active site to be a perfect fir for each other

28
Q

endocrine

A

glands secrete hormones directly into the blood

29
Q

hyperthyroid

A

thyroid works over time causing loss of weight

30
Q

hypo thyroid

A

doesn’t work enough gain weight

31
Q

peptide

A

joins with receptor

32
Q

period hormones

A

goes straight in

33
Q

poisons

A

bind and reverse effects with receptors