Chapter 5

The ending -ase is used for the names of (a) enzymes (c) proteins (b) disaccharides (d) catalysts

In living cells, the elements present in the greatest amounts are oxygen, hydrogen, nitrogen, and ..1..

Glucose and fructose are examples of (a) double sugars (c) single sugars (b) disaccharides (d) polyssacharides

Amino acids are correctly associated with the compounds known as (a) polysaccharides (c) lipids (b) proteins (d) carbohydrates

Polypeptides are correctly associated with the compounds known as (a) polysaccharides (c) lipids (b) proteins (d) disaccharides

When two amino acids are joined together, the compound formed is a (a) polypeptide (c) polysaccharide (b) disaccharide (d) dipeptide

Substances that block the action of enzymes are known as (a) protein blocks (c) poisons (b) coenzymes (d) polypeptides

In solutions, \(\mathrm{pH}\) is a measure of the (a) acidity (c) strength (b) longevity (d) activity

Maltose is best classified as a double sugar.

A base or alkali releases ions of (a) \(\mathrm{Na}\) (c) \(\mathrm{Cl}\) (b) \(\mathrm{H}\) (d) \(\mathrm{OH}\)

Carbohydrates contain the elements carbon, hydrogen, and ..8..

On the \(\mathrm{pH}\) scale the neutral reading is (a) 1 (c) 5 (b) 3 (d) 7

Maltase is best classified as a (an) (a) single sugar (c) enzyme (b) acid (d) dipeptide

The most abundant organic compounds in the body are (a) carbohydrates (c) organic acids (b) proteins (d) lipids

Carbohydrates are used by cells as sources of (a) energy (c) protons (b) water (d) elements

Glycerol and fatty acids join to form (a) solutions (c) carbohydrates (b) proteins (d) lipids

All of the processes by which cells produce usable energy are known collectively as (a) dehydration synthesis (c) respiration (b) active transport (d) oxidative phosphorylation

ATP molecules are best associated with the (a) "lock and key" theory (c) enzyme-substrate complex (b) storage of energy (d) \(\mathrm{pH}\) scale

On the \(\mathrm{pH}\) scale, sour milk would have a reading between 4 and 6 .

Anacrobic respiration takes place in the (a) nasal passages (c) cell membranes (b) cytoplasm of cells (d) mitochondria

Aerobic respiration takes place in the (a) cell sap (c) cell membranes (b) cytoplasm of cells (d) mitochondria

As the result of anaerobic respiration, glucose is converted into (a) pyruvic acid (c) amino acid (b) fatty acid (d) hydrochloric acid

During oxidative phosphorylation, hydrogen ions join with oxygen to form (a) hydrogen peroxide (c) ATP (b) water (d) amino acid

The function of ATP molecules is the storage of (a) water (c) energy (b) phosphate (d) coenzymes

Another term for glycolysis is (a) glucose synthesis (c) aerobic respiration (b) protein synthesis (d) anaerobic respiration

The compounds specialized for passing hereditary information from one generation to the next are the ..21.. acids.

The initials DNA stand for. \(.22\)..

The carboxyl group is best associated with molecules of (a) amino acid (c) fatty acid (b) hydrochloric acid (d) nucleic acid

A formula that shows the bonding and location of elements in a molecule is known as a (an) (a) empirical formula (c) molecular formula (b) structural formula (d) basic formula

Organic catalysts are (a) hormones (c) nucleic acids (b) substrates (d) enzymes