Question 1

Which of the following does NOT describe the types of microfilament organization normally seen in cells?

Accepted Answer

A) ordered arrays 
B) highly branched networks 
C) tightly anchored bundles 
D) cylindrical conglomerations 
E) all of these choices describe types of microfilament organization 
A) ordered arrays 
B) highly branched networks 
C) tightly anchored bundles 
D) cylindrical conglomerations 
E) all of these choices describe types of microfilament organization

Question 2

The enzyme whose activity is altered when microtubule arrangements are misaligned, leading to spiral Arabidopsis growth is:

Accepted Answer

A) SPIRAL1 
B) cellulose synthetase 
C) plant specific MAP 
D) SPIRAL2 
E) microfibril synthetase 
A) SPIRAL1 
B) cellulose synthetase 
C) plant specific MAP 
D) SPIRAL2 
E) microfibril synthetase

Question 3

The _______ link is an elastic protein-based linkage that connects tubulin doublets in cilia and flagella. The resultant bridges play an important role in ciliary and flagellar movement by limiting the extent that adjacent doublets can slide over one another. The resistance to sliding provided by these bridges causes the axoneme to bend.

Accepted Answer

A) plectin 
B) filamentin 
C) nexin 
D) vimentin 
E) myosin 
A) plectin 
B) filamentin 
C) nexin 
D) vimentin 
E) myosin

Question 4

Which of the following molecular motors are known to travel in a retrograde direction along microtubules?

Accepted Answer

A) kinesins 
B) dyneins 
C) myosins 
D) kinesins and myosins 
E) kinesins and dyneins 
A) kinesins 
B) dyneins 
C) myosins 
D) kinesins and myosins 
E) kinesins and dyneins

Question 5

What is the name of the lightly staining areas at the outer edges of a sarcomere?

Accepted Answer

A) A bands 
B) H zones 
C) I bands 
D) Z lines 
E) M lines 
A) A bands 
B) H zones 
C) I bands 
D) Z lines 
E) M lines

Question 6

Which of the following molecular motors are known to travel in an anterograde direction along microtubules?

Accepted Answer

A) kinesins 
B) dyneins 
C) myosins 
D) kinesins and dyneins 
E) kinesins and myosins 
A) kinesins 
B) dyneins 
C) myosins 
D) kinesins and dyneins 
E) kinesins and myosins

Question 7

The protein _________ has been implicated in regulating the shape of some bacterial cells; it is expressed in rod-shaped and helical bacteria. It resembles __________in structure.

Accepted Answer

A) MreB, tubulin 
B) MreB, actin 
C) CreS, tubulin 
D) CreS, actin 
E) ParM, keratin 
A) MreB, tubulin 
B) MreB, actin 
C) CreS, tubulin 
D) CreS, actin 
E) ParM, keratin

Which of the following does NOT describe the types of microfilament organization normally seen in cells?

The enzyme whose activity is altered when microtubule arrangements are misaligned, leading to spiral Arabidopsis growth is:

Which of the following molecular motors are known to travel in a retrograde direction along microtubules?

What is the name of the lightly staining areas at the outer edges of a sarcomere?

Which of the following molecular motors are known to travel in an anterograde direction along microtubules?

The protein _ has been implicated in regulating the shape of some bacterial cells; it is expressed in rod-shaped and helical bacteria. It resembles __in structure.

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

Exam 9: The Cytoskeleton and Cell Motility

Which of the following does NOT describe the types of microfilament organization normally seen in cells?

The enzyme whose activity is altered when microtubule arrangements are misaligned, leading to spiral Arabidopsis growth is:

Which of the following molecular motors are known to travel in a retrograde direction along microtubules?

What is the name of the lightly staining areas at the outer edges of a sarcomere?

Which of the following molecular motors are known to travel in an anterograde direction along microtubules?

The protein _________ has been implicated in regulating the shape of some bacterial cells; it is expressed in rod-shaped and helical bacteria. It resembles __________in structure.

Introduction to the Study of Cell and Molecular Biology

The Chemical Basis of Life

Bioenergetics, Enzymes and Metabolism

The Structure and Function of the Plasma Membrane

Aerobic Respiration and the Mitochondrion

Photosynthesis and the Chloroplast

Interactions Between Cells and Their Environment

Cytoplasmic Membrane Systems: Structure, Function, and Membrane Trafficking

The Nature of the Gene and the Genome

Gene Expression: From Transcription to Translation

Control of Gene Expression

Dna Replication and Repair

Cellular Reproduction

Cell Signaling and Signal Transduction: Communication Between Cells

Cancer

The Immune Response

Techniques in Cell and Molecular Biology

Filters

The protein _ has been implicated in regulating the shape of some bacterial cells; it is expressed in rod-shaped and helical bacteria. It resembles __in structure.