Indicate the answer choice that best completes the statement or answers the question.

Poweredby Cognero Page 1 Chapter 01: The Cell: A Microcosm of Life Indicate the answer choice that best completes the statement or answers the question.

1.Membrane lipid bilayers consist primarily of ____.

• phospholipids
• cholesterol
• proteins
• saturated fatty acids
• enzymes

2.Which of the following is a common function of membrane proteins?

• receptors
• detoxifiers
• purifier
• neutron transporter
• storage proteins

3.What is the role of cholesterol in plasma membrane structure?

• to produce bile
• to regulate fluidity and permeability
• to reduce stability
• to produce hormones
• to catalyze chemical reactions

4.Which of the following is not a usual function of the cytoskeleton?

• locomotion
• generation of ATP
• structural support
• positioning of organelles
• transfer of DNA and RNA

5.Which cellular component enables signal transmission to various parts of the cell due to interconnections within the cytosol?

• glycoproteins
• microfilaments
• glycolipids
• integral proteins
• nucleic acids

6.How are the carbohydrate moieties of the plasma membrane glycoproteins and glycolipids oriented?

• outwardly, away from the cytoplasmic matrix
• inwardly, toward the lumen
• equally inwardly and outwardly to maintain symmetry

Advanced Nutrition and Human Metabolism 8e Sareen Gropper, Jack Smith, Timothy Carr (Test Bank All Chapters, 100% Original Verified, A+ Grade) Answers At The End Of Each Chapter 1 / 4

Name:

Class:

Date:

Chapter 01: The Cell: A Microcosm of Life

Powered by Cognero Page 2

• between the bilayers of the membranes
• interlinked with each on both sides of the membrane

• Which of the following describes proteins attached to the membrane through hydrophobic interactions and

embedded in the membrane?

• peripheral proteins
• rough endoplasmic reticula
• integral proteins
• Golgi apparatus
• apoproteins

• Which structure in the cell provides support and controls the movement of cell organelles?
• endoplasmic reticulum
• mitochondrion
• cytoskeleton
• cytosolic matrix
• nucleus

• Cytochalasin is a fungal toxin that prevents the polymerization of actin. Which cellular structure is the target?
• nucleus
• cytoskeleton
• lysosomes
• mitochondria
• plasma membrane

• Which of the following is not normally found in the cytoplasmic matrix of a typical cell?
• amino acids
• glucose-6-phosphate
• carbon dioxide
• urea
• lipids

• Enzymes of which metabolic pathway can be found in the cytoplasmic matrix?
• beta-oxidation
• glycolysis
• ketone production
• the Kreb’s cycle
• cholesterol synthesis

• Which organelle is responsible for the production of most of the metabolic energy (ATP)?
• Golgi apparatus
• endoplasmic reticulum 2 / 4

Name:

Class:

Date:

Chapter 01: The Cell: A Microcosm of Life

Powered by Cognero Page 3

• nucleus
• mitochondrion
• lysosome

• Which of the following can freely diffuse across the inner mitochondrial membrane?
• glucose
• oxygen and carbon dioxide
• fatty acids
• NADH
• protons

• Where are the majority of the components of the electron transport chain embedded?
• mitochondrial inner membrane
• mitochondrial outer membrane
• mitochondrial matrix
• cytoplasmic matrix
• plasma membrane

• In which organelle do the TCA cycle and fatty acid oxidation occur?
• Golgi apparatus
• nucleus
• microsomes
• mitochondrion
• endoplasmic reticulum

• What is the major route for ATP production in the cell?
• oxidative phosphorylation
• hydrolysis
• peroxidation
• transformation
• substrate-level phosphorylation

• Which organelle is capable of performing both fission and fusion?
• Golgi apparatus
• mitochondria
• rough endoplasmic reticulum
• nucleus
• lysosome

• What do the genes contained in the mitochondrial DNA code for?
• all proteins functioning within the mitochondrial matrix
• nonfunctional ancient proteins considered remnants of evolution 3 / 4

Name:

Class:

Date:

Chapter 01: The Cell: A Microcosm of Life

Powered by Cognero Page 4

• proteins vital to the production of ATP
• antioxidant proteins
• immune proteins

• Which cell organelle is responsible for the initiation and regulation of most cellular activity?
• peroxisome
• nucleus
• mitochondrion
• Golgi body
• endoplasmic reticulum

• In addition to the mitochondria, which organelle possesses an inner and outer membrane?
• lysosome
• peroxisome
• Golgi apparatus
• nucleus
• endoplasmic reticulum

• Microtubule organization centers (MTOCs) on the outer nuclear membrane are associated with which cellular

process?

• oxidative phosphorylation
• electron transport
• mitosis
• protein synthesis
• lipid synthesis

• What information does the DNA in the nucleus contain?
• the entire genome for that organism
• the genes coding for proteins needed only by that particular cell
• chromatin
• all components of the cytoskeleton
• components of the electron transport chain

• What is the DNA in the nucleus found wrapped around?
• proteins called histones
• the nucleolus
• the nuclear envelope
• ribosomal RNA
• the inner membrane

• What is the best description of transcription?
• the genetic information in a single strand of DNA is copied onto a specific sequence of bases in a messenger
• / 4