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