Macromolecules test

studied byStudied by 46 people
5.0(3)
get a hint
hint

What are monomers?

1 / 100

Tags and Description

For Bio for HS

101 Terms

1

What are monomers?

Small particles that can be bonded together which forms the basic unit of polymers, which are essential in making biomolecules. They form together with covalent bonds.

New cards
2

What are polymers?

Multiple monomers that are joined together. A long chain that contains monomers to make biomolecules. Happens when monomers bond together.

New cards
3

What 3-letter suffix do most carbohydrates end in?

-ose

New cards
4

What is the chemical formula that all carbohydrates have?

(CH₂O)n

New cards
5

What elements are in carbohydrates?

Carbon, oxygen, hydrogen

New cards
6

What is the formula for glucose?

C6H12O6

New cards
7

What are Monosaccharides?

The monomers of carbohydrates. They are also known as simple sugars. They contain one monomer.

New cards
8

What are disaccharides?

A combination of two monosaccharides.

New cards
9

What is glucose?

The monosaccharide with a ring-like structure that living things use to produce energy.

New cards
10

What is a polysaccharide?

A combination of multiple monosaccharides.

New cards
11

What is starch's purpose for plants?

A method to store energy.

New cards
12

What does cellulose do for plants?

The molecule that plants use to give stems strength.

New cards
13

Where is glycogen found in? What is its purpose?

Found in animals and its main purpose is to store energy.

New cards
14

What is the major use for carbohydrates?

The major use is energy production. During the process of cellular respiration, cells use glucose molecules to produce energy.

New cards
15

What is Chitin used for?

Used to make the exoskeletons in many animals.

New cards
16

What is carbohydrates important role in plants and animals?

It has a very important role in the structure of many organisms.

New cards
17

What are carbohydrates helpful for?

Helpful for digestion. Fibrous (insert word here) pass through the digestive system of animals.

New cards
18

What are proteins made of?

Made of amino acids linked together in a "string".

New cards
19

What elements are proteins made of?

Carbon, hydrogen, oxygen, and nitrogen. Also sulfur and selenium.

New cards
20

What are proteins?

Polymers that are produced by putting amino acid molecules together. Compounds that are amino acids connected by peptide bonds.

New cards
21

What are proteins(part 2)?

Macromolecules that regulate the body's organs & tissue health.

New cards
22

What do proteins do?

Regulate the digestive system, nucleotide expression, & muscle health. It allows metabolic reactions to occur, provides the body with structural framework, helps repair and build body tissue, and helps maintain proper pH(buffer).

New cards
23

What are enzymes and what do they do?

Protein catalysts that speed up the rate for biological reactions. It limits activation energy to prevent the person from dying from having too much energy and it breaks down and builds different fats, proteins, and carbohydrates by breaking polymers apart.

New cards
24

What is a reactant?

Elements or compounds that enter into a chemical reaction.

New cards
25

What is a substrate?

A reactant of a enzyme-catalyzed reaction.

New cards
26

How do enzymes work?

The enzyme (activation site) and substrate link and bonds in the substrate weaken polymers into two different monomers. It can also make polymers.

New cards
27

How do you calculate caloric value?

Carbohydrate amount x 4. Protein amount x 4. Lipid(fats) amount x 9.

New cards
28

What is a product?

Elements or compounds produced by a chemical reaction.

New cards
29

What is activation energy?

Energy needed to get a reaction started.

New cards
30

What is a chemical reaction?

A process that changes, or transforms, one set of chemicals into another set of chemicals.

New cards
31

What is a catalyst?

A substance that speeds up the rate of a chemical reaction.

New cards
32

What is hemoglobin?

A blood protein inside red blood cells. It carries oxygen from the lungs to other parts of the body. It also brings carbon dioxide back from the body tissues and to the lungs.

New cards
33

What 3-letter suffix do all enzymes end in?

-ase

New cards
34

What bonds connect amino acids?

Peptide bonds. This is why proteins are known as polypeptides.

New cards
35

How many groups are there in amino acids?

The Amino group, Carboxyl group, the Hydrogen group, and the R group

New cards
36

What is an amino group?

A nitrogen bonded to two hydrogen atoms.

New cards
37

What is the R group?

A variable group that makes the amino acids unique because there are different atoms that can make this final connection while all other groups have all the amino acids.

New cards
38

What is the Carboxyl group?

The group is a carbon atom connected to an oxygen atom and an OH.

New cards
39

What does an amino acid start with?

A Carbon atom.

New cards
40

What do carbon atoms connect to?

One of the four covalent bonds from the central carbon atom connects to an amino group. Another covalent bond is connected to the Carboxyl group. The third covalent bond of the central carbon atom is connected to a hydrogen atom. The final covalent bond from the central carbon atom will connect to the R group.

New cards
41

When is a peptide bond formed?

Formed when the carbon in the Carboxyl group "drops" the OH and the nitrogen in the amino group "drops" one of the hydrogens. The carbon and nitrogen then connect through a covalent bond to link the amino acids.

New cards
42

What is a polypeptide?

A string of amino acids linked together by peptide bonds.

New cards
43

How many possible elements or molecules can be in the R group location?

20

New cards
44

How many amino acids are there?

20 different ones. The cells in the body need all 20 to build proteins.

New cards
45

How many amino acids can the cells in your body build?

11

New cards
46

What are the 9 essential amino acids that you obtain through diet?

Valine, Lysine, Methionine, Leucine, Isoleucine, Tryptophan, Phenylalanine, Histidine, Threonine.

New cards
47

What will a protein in tertiary structure have?

It will have strands, pleats, and helix shaped segments. This protein will fold onto itself to form the shape that is required for that specific protein.

New cards
48

Where are proteins made in?

The ribosome of the cell.

New cards
49

What are ribosomes?

Organelles that are coded to produce proteins.

New cards
50

What are mRNAs?

Nucleic acids that codes for proteins.

New cards
51

What are DNA and RNA?

Two types of nucleic acids and each have separate jobs.

New cards
52

What does DNA do and contain?

Stores information needed to create a protein. It has the nucleobase thymine. Has deoxyribose.

New cards
53

What does RNA do and contain?

Regulates the expression of information during protein synthesis. It has the nucleobase Uracil. It transfers to where chromosomes are made. Has ribose.

New cards
54

What are the 4 nucleobases for DNA?

Adenine, cytosine, guanine, and thymine

New cards
55

What are the 4 nucleobases for RNA?

Adenine, cytosine, guanine, and uracil

New cards
56

What does DNA stand for?

Deoxyribonucleic acid

New cards
57

What does RNA stand for?

Ribonucleic acid

New cards
58

What are the 3 components of a nucleotide?

A base, sugar(deoxyribose), and a phosphate group.

New cards
59

What are nucleotides?

The monomers of nucleic acids.

New cards
60

What are the major elements found in nucleic acids?

Carbon, hydrogen, oxygen, nitrogen, and phosphorus. The same elements as proteins.

New cards
61

What foods contain nucleic acids?

Meat, seafood, legumes, fish, mushrooms, and all living things.

New cards
62

What are nucleic acids?

A class of biomolecules which are found in all living organisms and are responsible for the storage of genetic information and for the process of protein synthesis.

New cards
63

What are antibodies and what do they do?

Made of white blood cells called B cells, they fight off harmful invaders called antigens. They do this by attaching themselves to antigens and destroying them. They fight bacteria, fungi, viruses, and toxins and provide protection from re-exposure to the antigen.

New cards
64

What foods contain proteins?

Red meat, poultry, seafood, and dairy.

New cards
65

What are the three major groups of lipids?

Fats, phosphoplipids, and steroids.

New cards
66

What groups are fats divided into?

Saturated fats and unsaturated fats.

New cards
67

What are fatty acids?

The building blocks of the fats in the foods we eat and our bodies. The monomers of lipids.

New cards
68

What is polymerization?

Monomers bind to other monomers to form repeating chain molecules through a cycle.

New cards
69

What are the monomers of proteins?

Amino acids

New cards
70

What does the suffix "mono-" mean? What does the suffix "-mer" mean?

"Mono" means "one" and "mer" means "part".

New cards
71

What is the greek meaning of polymers?

Many parts.

New cards
72

What are macromolecules made of?

Monomers that are joined together.

New cards
73

What is hydrolysis?

The process of polymers breaking down into monomers using enzymes to break down or decompose the chemical bonds. A water molecule is consumed into the enzyme to break down the chemical bonds.

New cards
74

What is dehydration synthesis?

A chemical reaction that combines monomers to create a polymer. A water molecule is removed/released so that the monomers can chemically bond into polymers. Catalysts speed up the reaction without becoming part of it. Provides energy to the cells.

New cards
75

What are triglycerides formed from?

Dehydration synthesis.

New cards
76

How are the polymers of carbohydrates present?

Dissaccharides and polysaccharides.

New cards
77

How are polymers present in proteins?

Polypeptides are chains made of amino acids.

New cards
78

How are polymers present in nucleic acids?

DNA and RNA. Polymer chains of nucleotides

New cards
79

How are the polymers of lipids present?

Diglycerides and triglycerides. Chain of monomers made up of glycerol and fatty acids.

New cards
80

What are the two types of polymers?

Linear and branched.

New cards
81

What is a linear polymer made of?

Many monomers in a single line.

New cards
82

What is a branched polymer made of?

Made up of monomers in a branched structure.

New cards
83

What are copolymers?

Polymers that are derived from two different types of monomers.

New cards
84

Are polymers chemical resistant?

Yes, they can withstand their original properties after being exposed to a chemical property for a long time.

New cards
85

What is saturated fat?

A type of fatty acid where there are all single bonds.

New cards
86

What is monounsaturated

A type of fatty acid that has one unsaturated carbon bond (double bond)

New cards
87

What is polyunsaturated?

A type of fatty acid that has many (poly) unsaturated carbon bonds

New cards
88

Examples of saturated fats:

Animal fats, butter, cakes, cheese

New cards
89

Examples of monounsaturated fats:

Plant oils (peanut and olive oils)

New cards
90

Examples of polyunsaturated fats:

Sunflower, canola, and soybean oil

New cards
91

What is glycerol?

The head portion of a phospholipid that is the hydrophilic part of the monomer

New cards
92

What is the chemical formula for glycerol?

C3H8O3

New cards
93

What are triglycerides?

A polymer that forms when glycerol combines with three fatty acids - found in alcohol

New cards
94

What are diglycerides?

Formed when glycerol reacts with two fatty acids within its hydroxyl groups.

New cards
95

Where are diglycerides found in?

Found in processed foods - they have been linked to increased risk of heart disease and stroke

New cards
96

What are lipid major functions?

Help store long term energy for cells and the body. Once carbohydrates are used up for quick/short-term energy, they kick in for longer energy usage. Help form the hydrophobic cell membrane in cells.

New cards
97

What does a phospholipid have in its anatomy?

A hydrophilic head and a hydrophobic tail.

New cards
98

What are the four major components of a phospholipid?

Fatty acids, a glycerol component, and both a phosphate group and a polar molecule.

New cards
99

Why are lipids hydrophobic?

Due to their non-polar covalent bonds which are insolvable. Water only dissolves in polar bonds.

New cards
100

What are the major elements found in lipids?

Carbon, hydrogen, oxygen, nitrogen, sulfur, phosphorus

New cards

Explore top notes

note Note
studied byStudied by 15 people
Updated ... ago
5.0 Stars(2)
note Note
studied byStudied by 42 people
Updated ... ago
5.0 Stars(5)
note Note
studied byStudied by 4 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 43179 people
Updated ... ago
4.8 Stars(380)
note Note
studied byStudied by 18 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 5 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 19 people
Updated ... ago
5.0 Stars(2)

Explore top flashcards

flashcards Flashcard45 terms
studied byStudied by 43 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard30 terms
studied byStudied by 54 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard71 terms
studied byStudied by 16 people
Updated ... ago
5.0 Stars(4)
flashcards Flashcard51 terms
studied byStudied by 5 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard100 terms
studied byStudied by 1 person
Updated ... ago
5.0 Stars(1)
flashcards Flashcard104 terms
studied byStudied by 60 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard52 terms
studied byStudied by 10 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard579 terms
studied byStudied by 807 people
Updated ... ago
5.0 Stars(4)