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1

C--C and C--H bonds are best described as which of the following?

Nonpolar

2

A general (all-inclusive) term for organic molecules that have the same molecular formula, but that differ in their structure or in the spatial arrangement of their atoms, is

isomer

3

4 main groups of biological macromolecules.

Lipids Nucleic acids Proteins Carbohydrates

4

Glucose and fructose can be described as

structural isomers

5

Carbon-oxygen and carbon-nitrogen bonds are described as

Formed by an unequal sharing of electrons polar covalent

6

When a carbohydrate is formed by linking two monosaccharides by a condensation reaction, we get water plus which of the following?

A disaccharide

7

Organic molecules with the same molecular formula may exist in different forms called which of the following?

isomers

8

The 4 main groups of biological macromolecules are

nucleic acids carbohydrates proteins lipids

9

Glucose and galactose can be described as which of the following?

Stereoisomers

10

Long polymers made of monosaccharides that have been linked through dehydration reactions are called

polysaccharides

11

How are disaccharides formed?

Two monosaccharides are linked together through dehydration synthesis.

12

The two classes of nucleic acids are

DNA RNA

13

A general (all-inclusive) term for organic molecules that have the same molecular formula, but that differ in their structure or in the spatial arrangement of their atoms, is

isomer

14

The building blocks of nucleic acids are monomers called

nucleotides

15

Examples of polysaccharides.

Chitin Starch Cellulose Glycogen

16

Organic molecules with the same molecular formula may exist in different forms called which of the following?

Isomers

17

What type of molecule is shown in these two diagrams?

Monosaccharide

18

How is information stored in a molecule of DNA?

By varying the sequence of the four types of nucleotides that make up each strand.

19

Identify functions of ATP.

To power the movement of cells

To power transport across cell membranes

To drive energetically unfavorable reactions

20

Functions of proteins?

They transport ions and molecules across cell membranes.

They play a key role in the contraction of muscles.

They catalyze chemical reactions.

They provide structural support for many animal tissues.

21

_____ Is often referred to as the "energy currency of the cell." Please do not spell the entire name of the molecule, use its acronym.

ATP

22

In general, where are nonpolar and polar amino acids found in a folded protein?

Non-polar - interior; polar - exterior

23

What determines the function of a protein molecule?

Its shape

24

The structure of _____ is usually discussed in terms of a hierarchy of 4 levels.

proteins

25

What are the functions of protien?

They provide structural support for many animal tissues.

They transport ions and molecules across cell membranes.

They catalyze chemical reactions.

They play a key role in the contraction of muscles.

26

Select amino acids that are most likely to be found in the interior of a protein.

Leucine

Valine

Phenylalanine

27

What are the building blocks of proteins?

Amino Acids

28

You are studying a protein and notice that it contains two regions made of beta-sheets connected by an alpha-helix. This type of recurring structure that can be found in proteins with very different functions is called a

Motif

29

Diseases caused by the improper folding of proteins may be due to deficiencies in ____ proteins

chaperone

30

What is the function of chaperone proteins?

They help other proteins fold correctly.