Enzymes Flashcards

1
Q

How many tiems can an enzyme repat the smae reaction

A

several

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2
Q

What is a substrate

A

a reactant

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3
Q

What do enzymes do to activation energy? How are they able to do this?

A

Lower activation energy by the loss in heat, aka exothermic

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4
Q

What can cause denaturation

A

high temp.

Diff. pH

Change in Heavy metal and salt consumption

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5
Q

Enzymes work like a ___ and___.

A

Enzymes work like a LOCK and KEY

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6
Q

Whats the function and location of DNA Polymerase

A

Location: Cells w/ a nucleus

Function: MAKE RNA strands

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7
Q

what happens when things go wrong

A

denaturation

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8
Q

most enzymes suffixes end in…

A

-ase

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9
Q

define denaturation

A

change in the shape of a protein.

if an enzyme’s shape changes/becomes denatured it can no longer function the way it’s supposed to

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10
Q

What are enzymes

A

Proteins made of amino acid monomers

Known as catalysts

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11
Q

what is activation energy

A

Min. amount of energy needed to get a reaction started

(Least amount of energy used to have a reaction)

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12
Q

what do enzymes do to the rate of chemical reactions

A

speed up rate of chemical reaction w/o being changed in the reaction

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13
Q

WHat is the fuction and location of Pepsin

A

Location: Stomach

Function: BREAK down protein

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14
Q

define Catalyst

A

Something that speed up the rate of a reaction w/o being chenged by the reation or used up

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15
Q

Why are enzymes important

A

Regulate Chemical Pathways- Ensure that certain chemical reactions happen

Make Material for the Cell: Synthesis & decomposition reactions

Release Energy- Help w/ cellular respiration

Transfer Info.- Help make new cells

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16
Q

what happens to catecholase when it becomes denatured

A

cant react to oxygeb to make polyphenol

17
Q

Enzymes are not consumed or charged in ______ ______.

A

Enzymes are not consumed or charged in chemical reactions

18
Q

What is the function and location of lactase

A

Location: Pancreas/digestive juices

Function: BREAK down lactose

19
Q

How do you get the brown stuff off of fruit?

A

Add lemon juice or salt

20
Q

Catecholase

A

An enzyme present in most fruits and vegetables, reacts w/ oxygen and cretes polypheonol

21
Q

What is an active site

A

area on an enzyme where a substance bonds

22
Q

How many reactions can 1 specific enzyme do

A

Can keep having the same reaction over and over again