Anatomy and Physiology Honors Ch 2 Test

Which of the following groups of chemicals include ONLY monosaccharides A) glucose, fructose, galactose B). glucose, fructose, maltose C) fructose, maltose, sucrose D) fructose, maltose, lactose E) maltose, sucrose, lactose

A) glucose, fructose, galactose

The sugar found in ATP A) ribose B) sucrose C) deoxyribose D) lactose E) starch

A) ribose

Monomers are joined together to form more complex molecules through A) synthesis reaction B) exchange reactions C) neutralization reactions D) hydrolysis reactions E) decomposition reactions

A) synthesis reaction

In order to break a disaccaharide down into simple sugar units A) water molecules must be added to each bond B) water molecules must be removed from each bond C) carbon atoms must be added to each bond D) carbon atoms must be removed from each bond E) water molecules and carbon atoms must be removed from each bond

A) water molecules must be added to each bond

________ are simple sugars containing between 3 and 7 carbon atoms A) proteins B) monosaccharides C) polysaccharides D) saturated fats E) steroids

B) monosaccharides

Which of the following DNA base pairs is complementary A) A - G B) G - U C) T - G D) C -A E) A - T

E) A - T

Which of the following is the weakest acid: A) A solution with a pH of 2.4 B) A solution with a pH of 5.2 C) A solution with a pH of 8.6 D) A solution with a pH of 10.1 E) A solution with a pH of 6.4

E) A solution with a pH of 6.4

Which of the following substances below is matched with its correct group A) monosaccharides - nucleic acids B) DNA - lipids C) steroids - carbs D) glycerol - protein E) enzymes - proteins

E) enzymes - proteins

Two or more polypeptides combine to form a complex structure called A) primary structure B) beta-pleated sheet C) secondary structure D) tertiary structure E) quaternary structure

E) quaternary structure

Nucleotides contain three components

a phosphate group, a 5 carbon sugar, a nitrogen-containing base

Monosaccharides join to become a polysaccharide through a chemical reaction called

dehydration synthesis

The organic compounds that function in building tissues and acting as enzymes are the: a. nucleic acids b. carbohydrates c. salts d. lipids e. proteins

e. proteins

carbon is found in all inorganic compounds (T or F)

false

glucose and fructose are classified as disaccharides (T or F)

false

on the pH scale, zero is considered to be neutral because hydrogen ions and hydroxyl ions are equal (T or F)

false

phospholipids are composed of three fatty acid chains attached to one glycerol head (T or F)

false

Enzymes fall into the category of _____ proteins

globular

Triglycerides, steroids, and fat soluble vitamins are types of these organic compounds

lipids

DNA, RNA, and ATP are types of these organic compounds

nucleic acids

Compounds that contain carbon-hydrogen bonding are collectively termed _____ compounds

organic

Glycogen and starch are examples of a specific category of carbs called

polysaccharides

Antibodies, some hormones, and enzymes are types of these organic compounds

proteins

Which of the following statements about RNA is true A) RNA is single stranded B) RNA is composed of cytosine, guanine, adenine, and thymine C) RNA is found only in the muscle of cells D) RNA contains deoxyribose E) RNA is a double helix

A) RNA is single stranded

Glucose and starch are examples of A) carbohydrates b) triglyclerides C) phospholipids D) steroids E) proteins

A) carbohydrates

Why is ATP categorized as a nuclei acid A) ATP has a polar region and a nonpolar region B) ATP contains four fused carbon rings C) ATP is a modified nucleotide with three phosphate groups, ribose, and adenine D) all nucleic acids, such as ATP, function as catalysts to increase reaction rates E) all nucleic acids have an amine and an acid functional group

C) ATP is a modified nucleotide with three phosphate groups, ribose, and adenine

Nucleotides are composed of A) three fatty acid chains and one glycerol B) peptide bonds C) a phosphate group, a five-carbon sugar, and a nitrogen-containing base D) four fused carbon rings E) amino acids with an amine group and an acid group

C) a phosphate group, a five-carbon sugar, and a nitrogen-containing base

A lipid containing three fatty acids chains and one glycerol is called A) cholesterol B) steroid C) a trigylceride D) a polysaccharide E) glycogen

C) a trigylceride

The reaction sucrose + water --> glucose + fructose is an example of A) double replacement reaction B) synthesis reaction C) decomposition reaction D) neutralization reaction E) anabolic reaction

C) decomposition reaction

The sugar found in DNA is A) ribose B) sucrose C) deoxyribose D) lactose E) starch

C) deoxyribose

Which of these substances is an enzyme A) glucose B) triglyceride C) oxidase D) nucleotide E) omega-3 fatty acid

C) oxidase

Which of the following statements about enzymes is true A) they are carbs B) they are stable at high temps C) they are biological catalysts D) they are not rescuable E) they are required in large amounts to be effective

C) they are biological catalysts

Which of the following is classified as an inorganic compound A) glucose B) triglyceride C) water D) protein E) steroid

C) water

The hydrolysis of proteins produces these building blocks

amino acids

Type of liquid composed of four interlocking rings

steroids

Disruption of the hydrogen bonds of functional proteins leads to their denaturation (T or F)

true

Water is the single most abundant inorganic compound in the human body (T or F)

true