.Linoleic acid and linoleic acid cannot be synthesized in human tissues, because of _____. * a.Human cells cannot synthesize unsaturated fatty acids. b.Human cells can synthesize only mono-unsaturated fatty acids. c.The corresponding biosynthetic pathway was lost during evolution. d.Humans are diploid organisms; only polyploidy organisms have enough genes for the synthesis of these fatty acids 2.What product could be formed from the breakdown of amylopectin and cellulose? * a.Cellulose could be broken down into chitin b.Cellulose could be broken down into sucrose c.Amylopectin could be broken down into maltose d.Amylopectin could be broken down into glucosamine 3. Which characteristics distinguishes amylopectin and glycogen? * a.Only glycogen has a coiled shape. b.They have different degrees of branching c.Only amylopectin can form hydrogen bonds d.They have different types of glycosidic bond
.Linoleic acid and linoleic acid cannot be synthesized in human tissues, because of _____. * a.Human cells cannot synthesize unsaturated fatty acids. b.Human cells can synthesize only mono-unsaturated fatty acids. c.The corresponding biosynthetic pathway was lost during evolution. d.Humans are diploid organisms; only polyploidy organisms have enough genes for the synthesis of these fatty acids 2.What product could be formed from the breakdown of amylopectin and cellulose? * a.Cellulose could be broken down into chitin b.Cellulose could be broken down into sucrose c.Amylopectin could be broken down into maltose d.Amylopectin could be broken down into glucosamine 3. Which characteristics distinguishes amylopectin and glycogen? * a.Only glycogen has a coiled shape. b.They have different degrees of branching c.Only amylopectin can form hydrogen bonds d.They have different types of glycosidic bond
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question
1.Linoleic acid and linoleic acid cannot be synthesized in human tissues, because of _____. *
a.Human cells cannot synthesize unsaturated fatty acids.
b.Human cells can synthesize only mono-unsaturated fatty acids.
c.The corresponding biosynthetic pathway was lost during evolution.
d.Humans are diploid organisms; only polyploidy organisms have enough genes for the synthesis of these fatty acids
2.What product could be formed from the breakdown of amylopectin and cellulose? *
a.Cellulose could be broken down into chitin
b.Cellulose could be broken down into sucrose
c.Amylopectin could be broken down into maltose
d.Amylopectin could be broken down into glucosamine
3. Which characteristics distinguishes amylopectin and glycogen? *
a.Only glycogen has a coiled shape.
b.They have different degrees of branching
c.Only amylopectin can form hydrogen bonds
d.They have different types of glycosidic bond
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