Test bank for Advanced nutrition and human metabolism 7th edition Sareen Gropper Jack Smith Timothy Carr All Chapters 1-14 Complete And Updated!!!!

Test bank
for Advanced nutrition and human metabolism 7th edition
Sareen Gropper Jack Smith Timothy Carr All Chapters 1-14
Complete

, Test Bank for Advanced Nutrition and Human Metabolism, 7e Sareen Gropper,
x x x x x x x x x xx



Jack Smith, Timothy Carr x x x x x




Answers At The End Of Each Chapter x x x x x x


Chapter_01_The_Cell A_Microcosm_of_Life

Indicate whether the statement is true or false.
x x x x x x x




1. Most of the metabolic energy produced in cells is made in the mitochondria.
x x x x x x x x x x x x


a. True
b. False

2. An increase in the concentration of a substrate will increase the rate of the enzyme-catalyzed reaction.
x x x x x x x x x x x x x x x


a. True
b. False

3. Polysomes function to transcribe mRNA into proteins.
x x x x x x


a. True
b. False

4. If two enzymes (e.g., pyruvate dehydrogenase and pyruvate carboxylase) compete for the same substrate (pyruvate), the
x x x x x x x x x x x x x x x


one with the higher Km has less affinity and will be more active when pyruvate concentrations are high.
x x x x x x x x x x x x x x x x x x


a. True
b. False

5. Transcription of DNA cannot be altered. x x x x x


a. True
b. False

6. The nuclear envelope is a single membrane structure that helps to isolate the nucleus from the rest of the cell.
x x x x x x x x x x x x x x x x x x x


a. True
b. False

7. The lipid bilayer determines the function of the plasma membrane, while the proteins are primarily responsible for the
x x x x x x x x x x x x x x x x x


structure of the membrane.
x x x x


a. True
b. False

8. When discussing enzyme kinetics, Km refers to the substrate concentration at which the enzyme is saturated and
x x x x x x x x x x x x x x x x


functioning at maximal velocity.
x x x x


a. True
b. False

9. Peripheral proteins are involved in cell-cell recognition, whereas integral proteins function primarily as
x x x x x x x x x x x x


receptors/transporters.
x


a. True
b. False

10. The various components within a cell (e.g., mitochondria) are not ―free-floating‖ in the cytosol, but rather, are held in
x x x x x x x x x x x x x x x x x x


place by the cytoskeleton.
x x x x


a. True
b. False

,Name: Class: Date:

Chapter_01_The_Cell A_Microcosm_of_Life


11. Different cells express different proteins because they contain different sequences of DNA in the nucleus.
x x x x x x x x x x x x x x


a. True
b. False

12. Oncosis results from cell injury and is associated with cellular swelling and swelling of the mitochondrial nucleus.
x x x x x x x x x x x x x x x x


a. True
b. False

13. Allosteric regulation of enzymes is carried out by modulators, other proteins that bind to the enzyme to inhibit its
x x x x x x x x x x x x x x x x x x


activity.
x


a. True
b. False

14. Most cellular reactions are irreversible because the same enzyme that catalyzes the conversion cannot catalyze the
x x x x x x x x x x x x x x x


reverse reaction.
x x


a. True
b. False

15. The plasma membrane is a sheet-like structure composed solely of lipids.
x x x x x x x x x x


a. True
b. False

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




16. Most receptor proteins are most likely which type?
x x x x x x x


a. peripheral proteins x



b. internal proteins x


c. integral proteins x


d. glycoproteins

17. MicroRNAs are small noncoding RNAs that x . x x x x x


a. enhance gene expression by activating mRNA expression
x x x x x x


b. silence gene expression by binding to mRNA to inhibit translation
x x x x x x x x x


c. modify gene expression by replacing specific nucleotides in mRNA
x x x x x x x x


d. mediate DNA production in a reverse direction
x x x x x x




18. All components of the electron transport chain are embedded in the
x x x x x x x x x x x .
a. mitochondrial inner membrane x x


b. mitochondrial outer membrane x x


c. mitochondrial matrix x


d. cytoplasmic matrix x




19. The smooth endoplasmic reticulum (SER) is associated with
x x x x x x x x .
a. lipid synthesis
x

, Name: Class: Date:

Chapter_01_The_Cell A_Microcosm_of_Life
b. protein synthesis x


c. the calcium ion pump necessary for the contractile process
x x x x x x x x


d. ribosomes and cytochrome P450 enzymes x x x x




20. In the cell structure, the
x x x x x provides support and controls the movement of cell organelles.
x x x x x x x x


a. endoplasmic reticulum x


b. mitochondrion
c. cytoskeleton
d. matrix space x




21. What is released when nutrient molecules are oxidized?
x x x x x x x


a. oxygen
b. potential (or free) energy x x x


c. kinetic energy x


d. hydrogen

22. The cell organelle responsible for the initiation and regulation of most cellular activity is the
x x x x x x x x x x x x x x x .
a. cytoplast
b. nucleus
c. mitochondrion
d. nucleolus

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


a. to produce bile
x x


b. to regulate fluidity and permeability
x x x x


c. to reduce stability
x x


d. to produce hormones
x x




24. Which organelle is composed of an extensive network of membranous channels that connects the nuclear membrane,
x x x x x x x x x x x x x x x


the Golgi apparatus, and the plasma membrane?
x x x x x x x


a. the lysosome x



b. the nucleolus x


c. the centrioles x


d. the endoplasmic reticulum
x x




25. Which are highly specialized membrane proteins that modify the cell's response to its environment?
x x x x x x x x x x x x x


a. transport proteins x


b. enzymes
c. receptors
d. peroxisomes

26. Elongation is the process by which .x x x x x x


a. the mRNA strand is formed
x x x x


b. peptide bonds are formed between aligned amino acids after the amino acids are positioned
x x x x x x x x x x x x x