Chapter 3 Flashcards

1
Q

Organic chemistry

A

A branch of chemistry devoted to the study of molecules that have carbon as their central element.

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

Hydrocarbon

A

A compound made of hydrogen and carbon. They are nonpolar covalent molecules and therefore are not easily dissolved in water.

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

Functional group

A

A group of atoms that confers a special property on a carbon-based molecule.

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

The element ____ is central to the molecules that make up the living world. This element comes to its special status because of the great power it has to form stable ____.

A

carbon, bonds with other elements.

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

Monomers

A

A small molecule that can be combined with other similar or identical molecules to make a larger polymer.

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

Polymer

A

A large molecule made up of many similar or identical subunits, called monomers.

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

Carbohydrates

A

Organic molecules that always contain carbon, oxygen, and hydrogen and sometimes it only contains those.

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

Monosaccharides

A

A building block, or monomer, of carbohydrates. They combine to form complex carbohydrates, or polysaccharides.

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

Polysaccharides

A

A polymer of carbohydrates, composed of many monosaccharides.

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

Simple sugars

A

The smallest and simplest form of carbohydrates, which serve as energy-yielding molecules and as the building blocks, or monomers, of complex carbohydrates. It can be monosaccharides or disaccharides.

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

Starch

A

Complex carbohydrate found in plants. Serves as the major form of carbohydrate storage in plants.

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

Glycogen

A

A complex carbohydrate that serves as the primary form of carbohydrate storage in animals. Sometimes called animal starch.

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

Cellulose

A

A structural, complex carbohydrate produced by plants and other organisms. It makes up a lot of the natural world.

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

Examples of monosaccharides

A

Fructose, glucose, deoxyribose.

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

Examples of disaccharides

A

Maltose, sucrose, lactose.

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

Kinds of molecules

A

Carbohydrates, proteins, lipids, nucleic acids.

17
Q

Examples of carbs

A

glucose, starch

18
Q

Main 4 types of complex carbohydrates

A

Starch, glycogen, cellulose, and chitin.

19
Q

This complex carbohydrate cannot be digested by humans due to how dense and rigid they are.

A

Cellulose

20
Q

Major source of insoluble fiber for humans

A

Cellulose.

21
Q

Chitin

A

A complex carbohydrate that forms the external skeleton of arthropods. It gives strength and shape to those organisms.

22
Q

Lipids

A

A member of a class of biological molecules whose defining characteristic is their relative insolubility in water.

23
Q

How to carbohydrates and lipids differ?

A

They are made up of the same elements, but lipids have much more hydrogen.

24
Q

Examples of lipids

A

fats, steroids, testosterone, estrogen.

25
Q

Characteristics of lipids

A

They are not polymers composed of monomers. They do not dissolve in water.

26
Q

Most common kind of lipid.

A

Glyceride

27
Q

Triglyceride

A

A lipid molecule formed from three fatty acids bonded to glycerol.

28
Q

Fatty acid

A

A molecule found in many lipids that is composed of a hydrocarbon chain bonded to a carboxyl group.

29
Q

Protein examples

A

Keratin, enzymes, lactase, sucrase.