Chapter 3 General Biology Mc

Front 1

Hydrogeneration is a chemical process that

Back 1

Turns liquid oil to solid fats

Front 2

Fats are major constituents of

Back 2

Cell membranes

Front 3

Typical fat molecules have ______ chains

Back 3

3

Front 4

A single atom of carbon may form up to ____ covalent bonds with other atoms

Back 4

4

Front 5

Although carbon dioxide contains carbon, it is not considered an "organic" compound because

Back 5

The carbon atom is not bonded to at least one hydrogen atom

Front 6

A hydrolysis reaction results in

Back 6

Bond breakage of a macromolecule

Front 7

An OH- group is an _____ group.

Back 7

Hydroxyl

Front 8

What kind of reaction produces large molecules by linking small molecules?

Back 8

Condensation

Front 9

The figure illustrates a _____ reaction that produces two ____ & a _____.

Back 9

Condensation; H2O molecules; polymer

Front 10

Glycogen is a polysaccharide used for energy storage by

Back 10

Animals

Front 11

Monosaccharides may be characterized by all EXCEPT which of the following?

Back 11

The presence of glycerol & fatty acids

Front 12

Fructose & glucose are

Back 12

Monosaccharides & six-carbon sugars

Front 13

Glucose & sugars in DNA & RNA

Back 13

Are monosaccharides

Front 14

Sucrose is composed of

Back 14

A molecule of fructose & a molecule of glucose

Front 15

Triglycerides are

Back 15

Neutral fats

Front 16

Cellulose is

Back 16

Polysaccharides found in cell walls of plants

Front 17

Which of the following doss NOT describe some aspect of polysaccharides?

Back 17

Contain only carbon, hydrogen, & oxygen atoms

Front 18

Which of the following is NOT true of polysaccharides?

Back 18

Are formed by clevage reactions

Front 19

Which of the following does jot belong?

Back 19

Polysaccharides

Front 20

Which molecule is incorrectly matched with its monomer?

Back 20

Starch; ribose

Front 21

In the figure, the honeycomb is made up primarily of which of the following

Back 21

Lipids

Front 22

The dotted areas in the figure indicate where ____ reactions will occur to produce ____ & _____.

Back 22

Condensation; covalent bonds; H2O molecules

Front 23

Steroids

Back 23

Are described by all of these

Front 24

Cholesterol

Back 24

Is all of these

Front 25

_____ are long-chain fatty acids attached to long-chain alcohols

Back 25

Waxes

Front 26

Polyunsaturated fats

Back 26

Have fewer hydrogen atoms than do saturated fats

Front 27

Lipids

Back 27

Are none of these

Front 28

All steroids have

Back 28

Four rings of carbon to which other atoms are attached

Front 29

The sequence of amino acids is the _____ structure of proteins.

Back 29

Primary

Front 30

Amino acids are linked by what kind of bonds to form the primary structure of a protein?

Back 30

Peptide

Front 31

The interaction of several polypeptide chains in a hemoglobin molecule is its _______ structure

Back 31

Quaternary

Front 32

The figure illustrates one possible _____ structure of _______.

Back 32

Secondary; proteins

Front 33

The association of four peptide chains in hemoglobin is an example of ____ protein structure.

Back 33

Quaternary

Front 34

Denaturation of proteins my result in all of the following EXCEPT

Back 34

removal of R groups from amino acids

Front 35

When a hen's egg is cooked for breakfast, which of the following statements does NOT apply?

Back 35

Cooling reverses the denaturation that occurred

Front 36

Which of the following is NOT found in every nucleotide?

Back 36

Ribose

Front 37

The figure illustrates an

Back 37

Adenine nucleotide

Front 38

Nucleotides contains what kind of sugars?

Back 38

Five-carbon

Front 39

The nucleotides most closely associated with energy metabolism is

Back 39

ATP

Front 40

The figure below is composed primarily of which of the following

Back 40

Phospholipids

Front 41

Monosaccharides have a carbon to hydrogen to oxygen ratio of

Back 41

1:2:1

Front 42

What kind of bond exists between two amino acids in a protein?

Back 42

Peptide

Front 43

Which of the following represents a pair of same-sized nitrogen bases?

Back 43

A & G

Front 44

The backbone of DNA is composed of

Back 44

Phosphate, sugar

Front 45

Which of the following is found in RNA but not in DNA?

Back 45

Uracil (U)