Biochemistry Study Guide Quiz

A solution with a pH of 9 is considered _______________.

• acidic

• neutral

• basic

Water molecules are polar because oxygen is more _______________ than hydrogen.

• electronegative

• positive

• neutral

Tags

NGSS.MS-PS1-1

_______________ bonds are responsible for water's high surface tension.

• Ionic

• Covalent

• Hydrogen

A buffer solution resists changes in _______________.

• temperature

• pH

• volume

_______________ molecules repel water.

• Hydrophilic

• Hydrophobic

• Polar

Alcohols contain the _______________ functional group.

• hydroxyl

• carbonyl

• amino

The carbonyl group (C=O) is found in _______________ and _______________.

• alcohols, acids

• ketones, aldehydes

• proteins, lipids

Amino acids contain both a _______________ group and a _______________ group.

• carboxyl, amino

• hydroxyl, carbonyl

• phosphate, methyl

_______________ groups are important in the formation of disulfide bridges in proteins.

• Sulfhydryl

• Phosphate

• Methyl

Carbohydrates, lipids, proteins, and nucleic acids are all examples of _______________.

• macromolecules

• ions

• elements

Tags

NGSS.HS-LS1-6