Question 1

What happens to the solution viscosity after DNA has been released into it by treating nuclei with a buffered saline solution containing SDS?

Accepted Answer

A) It increases markedly. 
B) It decreases markedly. 
C) There is no change. 
D) There is an increase followed by a rapid decrease. 
E) There is a decrease followed by fluctuating increases. 
A) It increases markedly. 
B) It decreases markedly. 
C) There is no change. 
D) There is an increase followed by a rapid decrease. 
E) There is a decrease followed by fluctuating increases.

Question 2

In which method of transfection are cells treated with DNA that is bound to positively charged lipids,called cationic liposomes,that are capable of fusing with the lipid bilayer of the cell membrane and delivering the DNA to the cytoplasm?

Accepted Answer

A) transduction 
B) transfection 
C) electroporation 
D) lipofection 
E) transgenics 
A) transduction 
B) transfection 
C) electroporation 
D) lipofection 
E) transgenics

Question 3

A small,circular,double-stranded DNA molecule that is separate from the main bacterial chromosome is called a(n)___________.

Accepted Answer

A) circuloid 
B) nucleoid 
C) plasmid 
D) palmid 
E) plummet 
A) circuloid 
B) nucleoid 
C) plasmid 
D) palmid 
E) plummet

Question 4

Which of the following is most likely to elute first from a gel filtration column if each of them is essentially globular?

Accepted Answer

A) a 250 kilodalton protein 
B) a 120 kilodalton protein 
C) a chromate ion 
D) a 12 kilodalton protein 
E) an 80 kilodalton protein 
A) a 250 kilodalton protein 
B) a 120 kilodalton protein 
C) a chromate ion 
D) a 12 kilodalton protein 
E) an 80 kilodalton protein

What happens to the solution viscosity after DNA has been released into it by treating nuclei with a buffered saline solution containing SDS?

In which method of transfection are cells treated with DNA that is bound to positively charged lipids,called cationic liposomes,that are capable of fusing with the lipid bilayer of the cell membrane and delivering the DNA to the cytoplasm?

A small,circular,double-stranded DNA molecule that is separate from the main bacterial chromosome is called a(n)___________.

Which of the following is most likely to elute first from a gel filtration column if each of them is essentially globular?

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 Cytoskeleton and Cell Motility

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

Filters

Exam 18: Techniques in Cell and Molecular Biology

What happens to the solution viscosity after DNA has been released into it by treating nuclei with a buffered saline solution containing SDS?

In which method of transfection are cells treated with DNA that is bound to positively charged lipids,called cationic liposomes,that are capable of fusing with the lipid bilayer of the cell membrane and delivering the DNA to the cytoplasm?

A small,circular,double-stranded DNA molecule that is separate from the main bacterial chromosome is called a(n)___________.

Which of the following is most likely to elute first from a gel filtration column if each of them is essentially globular?

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 Cytoskeleton and Cell Motility

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

Filters