Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biological Molecules > 1 > Flashcards

1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Organic Chemistry 101 flashcards
1
Q

What are biological molecules

A

The molecules that make up living organisms/cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the different biological molecules needed by the body

A

Carbohydrates Vitamins
Fats minerals/inorganic ions
Proteins nucleic acids(dna&rna)
Water ( micro)
(Macro nutrients)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Types of nutrition are

A

Autotrophic
Heterotrophic
Saprotrophic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cells obtain biological molecules from..

A

Nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name the macro nutrients

A

Carbohydrates
Fats/lipids
Proteins
Water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Name the micro nutrients

A

Vitamins
Nucleic Acids
Minerals(inorganic ions)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the elements in carbohydrates

A

Carbon
Hydrogen
Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Contents of a monosachharide …

A

Glucose and fructose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the monomer of carbohydrates

A

Glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Contents of dissacharides..

A

Sucrose and lactose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Contents of polysacharrides

A

Starch,cellulose,chitin,glycogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does mono mean?

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does di mean

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does poly mean

A

More than 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is nutrition?

A

Taking in of materias for energy growth and development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which are the inorganic nutritients

A

Mineral ions
Water
Vitamins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is autotrophic nutrition?

A

The type nutrition where organisms naked theor own food eg photosynthesis by plants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is heterotrophic nutrition?

A

The tyoe of nutrition where organisms depend on plants and animals for food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is saprotrophic nutrition?

A

The type of nutrition where organisms feed on dead materials and decomposers eg fungus or vulture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which are organic nutrients

A

Carbohydrates
Fats
Nucleic acids
Proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is a polysaccharide

A

3 or more chains/links of monosachharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Why do organisms needs Carbohydrates

A

Provide energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What test do you take to detect the presence of carbohydrates(starch)?

A

Iodine test(with iodine solution)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

How to you test for monosacchirides(reducing sugars)

A

Benedict solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What does Benedict solution test for

A

Glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What are the monomers of proteins

A

Amino acids

27
Q

How many types of amino acids are there)

A

20

28
Q

What are the different types of amino acids

A

Essential and Non essential

29
Q

What are essential amino acids

A

The body has to make them

30
Q

What are non essential amino acids

A

Obtained from different food substances

31
Q

Uses of protein

A

For building new cells

Making enzymes which catalyze chemical reactions

Make anti bodies >fight against disease causeing pathogens

Hormomes> for coordinating a function

32
Q

What is a polypeptide

A

3 or more amino acids with 2 peptide bonds

33
Q

What is a dipeptide

A

2 amino acids with 1 peptide bond

34
Q

What chemical is biuret A

A

KOH potassium hydroxide

35
Q

What colour will show a positive protein result

A

Purple

36
Q

What elements are fats made up of

A

Carbon
Hydrogen
Oxygen

37
Q

What are the uses of fats

A

Energy(storage)
Layers of fat can act as insulation
Synthesizes sex hormones

38
Q

How do you test for fats

A

Fats are insoluble in h20. Soluble in ethanol. Mix thoroughly. Add drops of water. If cloudy precipitate appears, fats are present

39
Q

What are the elements of protein

A

Carbon
Hydrogen
Oxygen
Nitrogen
And SOME:Phosphorus and sulphur

40
Q

How to test for protein

A

Add equal volume of biuret reagent to unknown sample. If mixture turns purple- proteins present
(Mixture remains blue if absent)

41
Q

What are thr mongers of fats

A

Fatty acids and glycerol

42
Q

What is between fatty acids and glycerol

A

A bond

43
Q

What is the pentagon shaped thing in DNA

A

Deoxyribose

44
Q

The circular shaped thing in dna

A

Phosphate

45
Q

What is another name for vitamin C

A

Ascorbic acid

46
Q

How to test for vitamin C

A

Place equal volume of DCPIP in test tubes. Add different types of fruit juices into the test tube having dcpip drop by drop. Higher vitamin C content fewer drops of dcpip needed

47
Q

What are Nucleic acids

A

Acids in the nucleus

48
Q

What is the polymer for Nucleic acids

A

DNA

49
Q

What is DNA

A

It is the genetic material of a living organism

50
Q

Where is DNA found

A

In the chromosome

51
Q

What does each chromosome have

A

A long DNA

52
Q

What does DNA stand for?

A

Deoxy ribo Nucleic Acid

53
Q

What does RNA stand for?

A

Ribonucleic acids

54
Q

What is a nucleotide made up of

A

A phosphate,deoxyribose(a sugar) and a nitrogen base

55
Q

What is a group of nitrogen bases called

A

Base pair

56
Q

What are the sides of DNA made of

A

Repeated units of sugar and phosphate

57
Q

What are the rungs(ladder steps) made up of

A

Nitrogen base

58
Q

Where idms DNA located

A

Inside the chromosome of the nucleus

59
Q

What is DNA

A

The genetic material in the nucleus

60
Q

What are the two strands of DNA heod together by?

A

Bonds that occur between nitrogen bases(HYDROGEN BONDS)

61
Q

What are the full names of ATGC

A

A- adenine
T-thymine
G-guanine
C-cytosine

62
Q

There are 2 Hydrogen bonds between

A

A and T

63
Q

There are 3 Hydrogen bonds between

A

G and C

Biological Molecules (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions