Enzymes Flashcards

1
Q

What is Phenylketonuria?

A

Congenital disability caused by the build up of phenylalanine (amino acid).

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2
Q

PKU test is taking…

A

blood from heel or bending arm ( on babies )

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3
Q

How do you treat PKU?

A

Strict diet with reduced proteins.

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4
Q

What is an Enzyme?

A

a substance that increases a the rate of a reaction

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5
Q

Enzyme examples are …

A

Protein and Catalysis

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6
Q

A enzyme substrate must fit like a …

A

charging cable to a phone

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7
Q

Enzymes cannot be…

A

destroyed but are reused

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8
Q

Proteins are made up of …

A

amino acids

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9
Q

Amino Acids are joined by what to make proteins?

A

peptide bonds

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10
Q

Several peptide bonds =

A

polypeptide

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11
Q

Amino acids are the building blocks for …

A

Enzymes

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12
Q

Amino acids are a simple …

A

molecular structure

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13
Q

Peptide bonds are formed between two molecules when …

A

carboxyl group (COOH) reacts with the amine group
(NH2)

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14
Q

The only difference between amino groups is …

A

the R group

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15
Q

What is a monomer ?

A

one amino acid

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16
Q

Amino acids bind by a …

A

condensation reaction

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17
Q

A condensation reaction is the …

A

chemical reaction that joins two
molecules together by removing water.

18
Q

Protein shape determines …

A

the function

19
Q

What are the four level of protein structure?

A

Primary, Secondary, Tertiary, and Quaternary

20
Q

Primary structure is specific …

A

sequence of amino acids in a polypeptide

21
Q

Most common type of Secondary structure is alpha …

A

helices and beta-
pleated sheets.

22
Q

A Tertiary Structure is a three dimensional shape with …

A

a single polypeptide chain backbone and more protein secondary structures

23
Q

Quaternary Structure consist of several protein chains that are …

A

closely packed

24
Q

Each subunit of Quaternary structure consist of …

A

primary, secondary, and tertiary structure held together by hydrogen bonds

25
Enzymes break down a sugar called ...
sucrose
26
Each Enzyme does how many jobs?
1
27
Most common digestive Enzymes are ...
Carbohydrase, Lipase, and Protease.
28
Carbohydrase breaks down ...
carbohydrates into sugars
29
Lipase breaks down ...
fats into fatty acids
30
Protease breaks down ...
protein into amino acids
31
A lot of Enzymes end with ...
-ase
32
Enzymes require a specific ...
pH, temperature, and concentration
33
Pepsin is an Enzyme that break down ..
proteins in the stomach and functions best at pH 2.
34
Trypsin helps digest ...
proteins in the small intestine and functions best at pH 8.
35
Denaturation is when ...
protein loses its natural design and stops working because the substrate is unable to bind the active site.
36
Amylase is in the saliva and helps ...
change starches into sugars
37
Maltase is also in saliva and breaks ...
the sugar, maltose, into glucose
38
Trypsin break proteins down into ...
amino acids in the small intestines
39
Impotrant properties of Enzymes are ...
Catalytic properties, specificity, reversibility, and sensitiveness to heat . temp, and pH.
40
Neuraminidase inhibitors zanamivir and oseltamivir interfere with
the release of progeny influenza virus from infected host cells
41
Competitive Inhibition is when ...
similar shape act as typical enzymes