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Biology: WW2 > Proteins > Flashcards

Proteins Flashcards

1
Q

Monomers of Protein

A

Amino Acid

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2
Q

Types amino acid

A

20 types (9 essential, 11 non-essential)

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3
Q

o 3 COMPONENTS of amino acids

A

Amino end, carboxyl end, R-group (always changing)

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4
Q

Determines chemical properties

A

R-group

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5
Q

Contains nitrogen

A

Amino

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6
Q

produce protein

A

Ribosome

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7
Q

Amino acids are joined together by

A

peptide bonds

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8
Q

Between amino acid and amino end of the next animo acid

A

Polypeptide bond (short chain)

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9
Q

Polymer of 3-100 amino acid

A

Polypeptide (long chain)

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10
Q

A polypeptide longer than 100 amino acids that has a complex structure and function

A

Protein

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11
Q

4 LEVELS

A

Primary, Secondary, Tertiary, Quaternary

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12
Q

Amino acid sequence, basic peptide chain

A

Primary

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13
Q

alpha helix (circle) or beta pleated sheets (zigzag) stabilized by hydrogen bonds.

starting point of attraction

A

Secondary

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14
Q

3d shape
Stabilized by disulfide and hydrogen bonds
Created polar and non-polar areas in molecule

A

Tertiary

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15
Q

2 or more polypeptide chains are associated
Hemoglobin (5 chains) heme proteins and globin proteins

A

Quaternary

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16
Q

substrate fits perfectly into the active (enzyme) site

A

Lock-and-key-model

17
Q

Active site conforms to its substrate’s shape

A

Induced fit

18
Q

What affects enzyme?

A
  1. Environmental conditions
  2. High temp
  3. Ph (6-8 pH near neutral) (salting)
  4. Acidity8. Cofactors and coenzymes
  5. 3rd piece of the puzzle
  6. Vitamins (coenzymes)and minerals (cofactors)
  7. Supplements
  8. Enzyme inhibitors
  9. Inhibit - slows the enzyme
  10. Competitive inhibitor
  11. Prevents substrate
  12. Non competitive inhibitor
19
Q

optimum temperature human enzyme

A

35-40 (37 body temp)

20
Q

lower temp

A

molecules move slower

Biology: WW2 (6 decks)

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