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Biology > Huge Test: Carbs, Lipids, Etc. > Flashcards

Huge Test: Carbs, Lipids, Etc. Flashcards

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0
Q

How does our body use a carbohydrate

A

Primary energy source

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1
Q

What are the three macromolecules that we have studied

A

Carbs, lipids, and proteins

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2
Q

What are the three elements in a carb

A

Carbon, hydrogen, oxygen

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3
Q

How can you identify a carbohydrate

A

Take the number of oxygen and multiply it by 2, that will tell the number of hydrogens, and also tend to form a ring shape

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4
Q

What does disaccharide mean

A

Two sugars hooked together

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5
Q

What does monosaccharide mean

A

One sugar

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6
Q

What does polysaccharide mean

A

Many sugars hooked together

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7
Q

What is the chemical test for mono

A

Benedicts

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8
Q

What color does benedicts turn if it is positive

A

Orange

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9
Q

What color does benedicts turn when negative

A

Blue

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10
Q

What does a positive test for benedicts mean

A

There are monosaccharides present

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11
Q

What does it mean when benedicts is negative

A

There are no monosaccharides

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12
Q

What is the chemical test for poly

A

Iodine

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13
Q

What does iodine turn if it is positive

A

Purple

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14
Q

What color does iodine turn if negative

A

Yellow/gold

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15
Q

What does a positive iodine test mean

A

There are polys

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16
Q

What does it mean if a iodine test is negative

A

Polysaccharides are not present

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17
Q

What is a purpose of a lipid

A

Energy storage and insulation

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18
Q

What are the building blocks of lipids

A

Glycerol and 3 fatty acids

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19
Q

What elements are in a lipid

A

Carbon, hydrogen, oxygen

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20
Q

If carbs are removed from your diet what could happen

A

Low blood sugar

21
Q

Monomer

A

A single unit

22
Q

How can you identify a lipid

A

The glycerol backbone and 3 fatty acids

23
Q

What are two tests you can run for lipids

A

Brown paper bag and solubility

24
Q

What does a positive solubility look like

A

Two layers-lipids do not mix with water

25
Q

What does a negative solubility look like

A

1 layer- it mixes with other solution

26
Q

What does a positive solubility test mean

A

It has lipids

27
Q

What does a negative solubility test mean

A

There are no lipids

28
Q

What does a positive test for paper bag look like

A

A stain never dies

29
Q

What does a negative paper bag test look like

A

A spot that will dry

30
Q

What does a positive paper bag mean

A

There are lipids

31
Q

What does a negative paper bag mean

A

No lipids

32
Q

What are the five ways your body uses proteins

A

Enzymes-speed up reactions
Structure- makes up nails
Transport- transports important nutrients through your body

Defense-protects body from diseases
Hormones- sending signals

33
Q

What are the elements in a protein

A

C, O, H, N

34
Q

What are the building blocks of protein

A

Amino acids

35
Q

How can you spot an amino acid

A

If you see COOH and NH2

36
Q

If you joined 8 amino acids together how many waters were removed

A

7

37
Q

What ions are in a acid

A

H+

38
Q

what ions are in a base

A

OH-

39
Q

What is the ph range of an acid

A

0-6.9

40
Q

What is a ph of a weak acid

A

6

41
Q

What is a strong ph acid

A

1

42
Q

What is the ph range for a base

A

7.1-14

43
Q

What is a weak base

A

8

44
Q

What is a strong base

A

14

45
Q

What are the three test papers we used to determine if something was an acid or a base

A

Red and blue litmus paper and hydrion

46
Q

What does red litmus change for

A

Base

47
Q

What did blue switch for

A

Acid

48
Q

What does the hydrion paper show

A

How acidic or how basic something is

49
Q

What does the number in front of the molecules mean

A

The amount of molecules present

50
Q

What is a hydrogen bond

A

A weak bond formed between water molecules because of slight charges

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