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BIO 1345 FINAL EXAM | 194 QUESTIONS | WITH COMPLETE ANSWERS GRADED A+
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BIO 1345 FINAL EXAM | 194 QUESTIONS | WITH COMPLETE ANSWERS GRADED A+
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BIO 1345 FINAL EXAM| 194 QUESTIONS |
WITH COMPLETE
ANSWERS GRADED A+
BIO 1345
Evatee 8/4/24 BIO 1345
,BIO 1345 FINAL EXAM | 194 QUESTIONS |
WITH COMPLETE ANSWERS GRADED A+
Which of the following statements is/are true about dehydration synthesis?
A) one monomer loses a hydrogen atom, and the other loses a hydroxyl group
B) electrons are shared between atoms of the joined monomers
C) H2O is formed as the monomers are joined
D) covalent bonds are formed between the monomers
E) all of the choices are correct Answer - E
The results of dehydration synthesis can be reversed by
A) condensation
B) hydrolysis
C) polymerization
D) the addition of an amino group
E) the addition of a phosphate group Answer - B
A disaccharide forms when
A) two monosaccharides join by dehydration synthesis
B) two starches join by dehydration synthesis
C) two monosaccharides join by hydrolysis
,D) two starches join by hydrolysis
E) a starch and a monosaccharide join by dehydration synthesis Answer - A
Which one of the following lists contains only polysaccharides?
A) sucrose, starch, and cellulose
B) starch, amino acids, and glycogen
C) cellulose, starch, and glycogen
D) nucleotides, glycogen, and cellulose
E) fructose, cellulose, and glucose Answer - C
Cellulose differs from starch in that
A) the monomers of cellulose are held together by covalent bonds, whereas
the monomers of starch are held together by hydrogen bonds
B) glycogen is formed by plants and cellulose by animals
C) most animals cannot break down cellulose, whereas starch is easily digested
D) starch is made of glucose monomers, whereas cellulose is made of fructose
monomers
E) all of the choices are correct Answer - C
In salad dressings, oil quickly separates from vinegar because oils are
A) heavier than water
B) polar
C) nonpolar
D) hydrophilic
, E) amphiphilic Answer - C
Fatty acids with double bonds between some of their carbons are said to be
A) unsaturated
B) saturated
C) completely hydrogenated
D) triglycerides
E) monoglycerides Answer - A
A phospholipid is composed of
A) one glycerol molecule linked to three fatty acids
B) one fatty acid molecule linked to three glycerol molecules
C) one glycerol molecule linked to three phosphate groups
D) one fatty acid molecule linked to one glycerol molecule and two phosphate
groups
E) one glycerol molecule linked to one phosphate group and two fatty acids
Answer - E
Which one of the following substances is not a lipid?
A) wax
B) cholesterol
C) cellulose
D) steroids
E) fat Answer - C
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