Chapter 5 Exam Review Flashcards
Catabolic reactions use energy to synthesize large molecules. True or False
False
Anabolic reactions involve hydrolysis to split large molecules into smaller ones. True or False
True
In newborns, ______ occurs in brown fat.
Thermogenesis
Ketone bodies results from
Excessive protein, carbohydrate and fat breakdown
The process in which an amine group is transferred from one amino acid to another is called
Transamination
Glycolysis converts glucose into ______ molecules
Pyruvic acid
Blood glucose concentrations can be maintained by hydrolysis of glycogen in the
Liver
The cori cycle converts ______ to pyruvic acid
Acetyl CoA
Beta-oxidation produces acetyl CoA molecules from fatty acids. True or False
True
The final electron acceptor in aerobic cell respiration is
Oxygen
Phosphorylation of glucose “traps” glucose within the cell. True or False
True
Anaerobic respiration metabolism regenerate the ______ required for glycolysis
NAD+
Acetyl coenzymes A enables the products of glycolysis to enter the citric acid cycle. True or False
True
The critic acid cycle occurs in mitochondria. True or False
True
Importance of the citric acid cycle in energy production is the formation of significant amounts of
NADH and FADH2
The electron transport chain system is responsible for the production of the majority of cellular ATP. True or Flase
True
Energy loss during the process of aerobic cellular respiration is given off as
Metabolic heat
The final electron acceptor in the electron transport chain system is ________
Oxygen
Sweet smelling breath may be the result of elevated ________ in the blood
Acetone
The primary site of ketone body synthesis is
The liver
Lactic acid is a result of LDH (lactic acid dehydrogenase) mediated ______ of pyruvic acid with the electrons taken from NADH + H+
Reduction
In the formation of acidic acid from pyruvic acid, the oxygen and carbon dioxide comes from the oxygen gas. True or False
False
The electron transport chain system functions to create a proton gradient across the outer mitochondrial membrane. True or False.
False
The cori cycle involves formation of glucose in the liver from lactic acid produced by fermentation in the skeletal muscles. True or False
True
Beta-oxidation of an 18 carbon fatty acid will yield _______ acetyl COA molecules
9
Fatty acid metabolism
Occurs via beta-oxidation
Acetyl CoA
Both can enter the citric acid cycle and can reversibly form ketone bodies
What type of tissue is especially dependent on adequate plasma glucose levels?
Nervous
Which amino acid serves as a channel through which other amino acids can form keto-acids?
Glutamic acid
