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Chem 2730 > Chapter 3 - Amino Acids > Flashcards

Chapter 3 - Amino Acids Flashcards

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1
Q

What are hormones?

A

-Chemical messengers secreted into blood stream by one cell that affect the metabolism of another cell

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2
Q

A protein is a ________ composed of a _________ of a-AA

A

Biopolymer,linear chain

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3
Q

A peptide is a _________, of up to __AA

A

short protein,20

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4
Q

what does leucine/Leu look like?

A
  • A letter Y with a CH2 and a CH leading up
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5
Q

what does an isoleucine/Ile look like?

A

looks like a checkmark with only CH leading up

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6
Q

What does a valine/Val look like?

A
  • Also a letter Y but smaller than leucine with only CH leading up
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7
Q

What does Proline/Pro look like ?

A
  • looks like a Thor hammer and its a cyclic a-imino acid.
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8
Q

What does Alanine/Ala look like ?

A

-standard structure with CH3 leading up only

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9
Q

What does Glycine/Gly look like?

A

-standard structure with H leading up only

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10
Q

Which side chains are Aliphatic, non-polar, hydrophobic?

A

-Leucine/leu
-Isoluecine/Ile
-Valine/val
-Proline/pro
-Alanine/Ala
-Glycine/gly

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11
Q

What structure do the Aromatic Amino Acids have and what do they absorb?

A

-They all have ring structure and they all absorb ultra violet light.

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12
Q

What does Phenylalanine/Phe look like?

A
  • standard structure with CH2 leading up and has a ring structure at the top
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13
Q

What does tryptophan/Trp look like?

A

-standard structure with CH2 leading up and has two ring structure going up

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14
Q

What does Tyrosine/Tyr look like?

A

-standard structure with CH2 leading up and ring structure in the middle and OH on top

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15
Q

Which Amino acids contain sulphur?

A

-Methionine/Met-Hydrophobic
-Cystine

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16
Q

what does Methionine/Met look like?

A
  • Standard structure with CH2 leading up followed by H2C and S and CH3 at the top
17
Q

What does Cysteine/Cys look like?

A

-standard structure with CH2 leading up with SH at the top

18
Q

What Amino Acids contain Hydroxyl and are polar?

A

-Threonine/Thr
-Serine/Ser

19
Q

What does Threonine/Thr look like?

A

-standard structure with a cross as the side chain with Carbon leading up and CH3 at the top

20
Q

What does Serine/Ser look like?

A

-standard structure with CH2 leading up and OH right above it

21
Q

What are Amide-containing side chains?

A

-Glutamine/Gln
-Asparagine/Asn
** These do not ionize**

22
Q

What does Glutamine/Gln look like?

A

-Standard structure with Y shaped structure for the side chain, Has two CH2 leading up then a Carbon single bonded with NH2 and a double bond to oxygen

23
Q

What does Asparagine/Asn look like?

A

-standard structure with a Y shaped structure with CH2 leading up then Carbon single bonded to NH2 and double bond to an oxygen

24
Q

What does Asparagine/Asn look like?

A

-standard structure with a Y shaped structure with CH2 leading up then Carbon single bonded to NH2 and double bond to an oxygen

25
Q

What are the Acidic Amino Acids?

A

-Glutamic Acid/Glu
-Aspartic Acid/Asp

26
Q

What does Glutamic Acid/Glu look like?

A

-Standard structure then a Y shaped ,with two CH2 leading up then a carbon double bond to an oxygen and a single bond to a negative oxygen

27
Q

What does Aspartic Acid/Asp look like?

A

-Standard structure with one CH2 leading up then carbon double bonded to oxygen and single bonded to a negtive oxygen

28
Q

What are the Basic Amino Acids?

A

-Lysine/Lys
-Arginine/Arg
-Histidine/His

29
Q

What does Lysine/Lys look like?

A

-Standard structure with a straight line side chain, 4 CH2 leading up then a positive NH3

30
Q

What does Arginine/Arg look like?

A

-Standard structure with 3 CH2 leading up followed by a NH then a carbon double bonded to a positive NH2 and single bonded to a NH2

31
Q

What does Histidine/His look like?

A

-Standard structure with CH2 leading up and it has a imidazole ring with N and HN

32
Q

how many amino acids can humans make ?

A

11

33
Q

stopped at slide 20

A

Chem 2730 (31 decks)

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