19. Which of the following molecules is unsaturated? H H-C-OH H HO Н H H-C-OH H-C-OH H-C-OH C. O, H H OH H но OH H OH B. H C-H HO Н H H H H D. 20. What four atoms are most often found in organic molecules? A. carbon, nitrogen, hydrogen, and oxygen C. carbon, nitrogen, oxygen, and phosphorus B. oxygen, carbon, nitrogen, and chlorine D. oxygen, phosphorus, nitrogen, and sulfur 21. A chemical that has a pH of 2.2 is considered to be A. neutral C. a base B. an acid D. a salt 22. Two water molecules are produced by the union of glucose molecules during condensation synthesis. What is the new molecule that is formed? A. a dipeptide C. a polysaccharide 23. Which class of organic molecule forms most enzymes? A. lipids C. nucleic acids 24. Which of the following is not a component of a nucleotide? A. sugar C. phosphate group 25. Which of the following molecules is used in the synthesis of lipids? B. a disaccharide D. a monosaccharide B. carbohydrates D. proteins B. phospholipids D. nitrogenous base HHO H-N-C-C R OH A. H H-C-OH H O H H OH H HO OH H OH C. 26. How do saturated fats differ from unsaturated fats? A. Their hydrogen to carbon ratio is larger C. They form straight chains H H-C-OH H-C-OH H-C-OH B. H D. B. They contain cholesterol D. They are water-soluble
19. Which of the following molecules is unsaturated? H H-C-OH H HO Н H H-C-OH H-C-OH H-C-OH C. O, H H OH H но OH H OH B. H C-H HO Н H H H H D. 20. What four atoms are most often found in organic molecules? A. carbon, nitrogen, hydrogen, and oxygen C. carbon, nitrogen, oxygen, and phosphorus B. oxygen, carbon, nitrogen, and chlorine D. oxygen, phosphorus, nitrogen, and sulfur 21. A chemical that has a pH of 2.2 is considered to be A. neutral C. a base B. an acid D. a salt 22. Two water molecules are produced by the union of glucose molecules during condensation synthesis. What is the new molecule that is formed? A. a dipeptide C. a polysaccharide 23. Which class of organic molecule forms most enzymes? A. lipids C. nucleic acids 24. Which of the following is not a component of a nucleotide? A. sugar C. phosphate group 25. Which of the following molecules is used in the synthesis of lipids? B. a disaccharide D. a monosaccharide B. carbohydrates D. proteins B. phospholipids D. nitrogenous base HHO H-N-C-C R OH A. H H-C-OH H O H H OH H HO OH H OH C. 26. How do saturated fats differ from unsaturated fats? A. Their hydrogen to carbon ratio is larger C. They form straight chains H H-C-OH H-C-OH H-C-OH B. H D. B. They contain cholesterol D. They are water-soluble
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The following questions are grade 12 biology questions. Answer the multiple choice questions shown in the photo. Make sure the answer is correct and matches its corresponding letter.
Transcribed Image Text:19. Which of the following molecules is unsaturated?
H
H-C-OH
H
HO
Н
H
H-C-OH
H-C-OH
H-C-OH
C.
O, H
H
OH
H
но
OH
H
OH
B.
H
C-H
HO
Н
H H
H H
D.
20. What four atoms are most often found in organic molecules?
A. carbon, nitrogen, hydrogen, and oxygen
C. carbon, nitrogen, oxygen, and phosphorus
B. oxygen, carbon, nitrogen, and chlorine
D. oxygen, phosphorus, nitrogen, and sulfur
21. A chemical that has a pH of 2.2 is considered to be
A. neutral
C. a base
B. an acid
D. a salt
22. Two water molecules are produced by the union of glucose molecules during condensation synthesis. What is the new molecule
that is formed?
A. a dipeptide
C. a polysaccharide
23. Which class of organic molecule forms most enzymes?
A. lipids
C. nucleic acids
24. Which of the following is not a component of a nucleotide?
A. sugar
C. phosphate group
25. Which of the following molecules is used in the synthesis of lipids?
B. a disaccharide
D. a monosaccharide
B. carbohydrates
D. proteins
B. phospholipids
D. nitrogenous base
HHO
H-N-C-C
R OH
A.
H
H-C-OH
H
O H
H
OH
H
HO
OH
H
OH
C.
26. How do saturated fats differ from unsaturated fats?
A. Their hydrogen to carbon ratio is larger
C. They form straight chains
H
H-C-OH
H-C-OH
H-C-OH
B.
H
D.
B. They contain cholesterol
D. They are water-soluble
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