Unit 1 Test Flashcards

Biochem

1
Q

Cohesive bonds

A

Between same molecules

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2
Q

Adhesive attraction

A

Between different substances

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3
Q

Hydroxyl Group

A

OH, Alchols

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4
Q

Carbonyl Group

A

C double bond O

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5
Q

Carboxyl Group

A

Acidic, makes up on end of an amino acid. C double bond O and C single bond OH

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6
Q

Amino Group

A

Acts as a bse, can pick up H+ from surroundings. (N single bond H) ×2

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7
Q

Sulfhydryl Group

A

Covalent bond, stabilize protein, cause curly hair. -SH

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8
Q

Phosphate Group

A

Contributes negative charges to molecules
O
||
O- – P – O-
|
O -

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9
Q

Methyl Group

A

Added to DNA, affects expression of genes, only non polar functional group

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10
Q

Molecules of Life

A

Macromolecules

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11
Q

4 major classes of macromolecules

A

Carbohydrates, Lypids, Nucleic Acids, Proteins

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12
Q

Lipids

A

Don’t form polymers, hydrophobic, most important of them are fats

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13
Q

Primary Structure

A

Chain of amino acids, one - by - one - by - one, alpha helix fold

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14
Q

Secondary Structure

A

Start to fold, beta fold

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15
Q

Tertiary structure

A

3 dimensional folding

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16
Q

Quaternary structure

A

several protein chains into a closely packed arrangement

17
Q

Central Dogma of Biology

A

(DNA) > RNA > Protein

18
Q

C 30%

19
Q

G 30%

20
Q

T 20%

21
Q

A 20%

22
Q

Deoxyribose sugar

23
Q

Ribose Sugar

24
Q

Self Replicate

25
Cannot Self Replicate
RNA
26
2nd H Base
DNA
27
2nd OH Base
RNA
28
Hexagon or pentagon shape
Carbohydrates
29
Polar Phosphate head with fatty acid tails
Lipids
30
Central carbon with in amino acids
Proteins
31
Peptide bond
Proteins
32
1 phosphate, sugar, nitrogenous base
Nucleic Acids
33
Change in DNA can cause...
A change in protein folding/improper protein folding
34
DNA is Anti Parallel, so if one end is OH then the other strand end is...
a phosphate
35
DNA is Anti Parallel, so if one end is a Phosphate then the other strand end is...
an OH group
36
Saturated Fats
have the maximum amount of carbon hydrogen bonds