QuizMaster, Author at AnsweringExams.Com

Combined cellular and humoral immune deficiencies result from lack of all of the following except

July 24, 2022 by QuizMaster

Question: Combined cellular and humoral immune deficiencies result from lack of all of the following except
[A].

a thymus

[B].

class II MHC

[C].

HIV infection of CD4+ T cells

[D].

transporter of antigen peptides (TAP)

Answer: Option D

Explanation:

No answer description available for this question.

An example of an immunodeficiency disorder is

July 24, 2022 by QuizMaster

Question: An example of an immunodeficiency disorder is
[A].

thyroiditis

[B].

rheumatic fever

[C].

systemic lupus erythematosus

[D].

AIDS

Answer: Option D

Explanation:

No answer description available for this question.

An autoimmune disease is

July 24, 2022 by QuizMaster

Question: An autoimmune disease is
[A].

AIDS

[B].

Measles

[C].

Lupus

[D].

Mumps

Answer: Option C

Explanation:

No answer description available for this question.

Ion exchange chromatography is based on the

July 24, 2022 by QuizMaster

Question: Ion exchange chromatography is based on the
[A].

electrostatic attraction

[B].

electrical mobility of ionic species

[C].

adsorption chromatography

[D].

partition chromatography

Answer: Option A

Explanation:

No answer description available for this question.

A combination of paper chromatography and electrophoresis involves

July 24, 2022 by QuizMaster

Question: A combination of paper chromatography and electrophoresis involves
[A].

partition chromatography

[B].

electrical mobility of the ionic species

[C].

both (a) and (b)

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

In reverse phase chromatography, the stationary phase is made

July 24, 2022 by QuizMaster

Question: In reverse phase chromatography, the stationary phase is made
[A].

non-polar

[B].

polar

[C].

either non-polar or polar

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

In gas chromatography, the basis for separation of the components of the volatile material is the difference in

July 24, 2022 by QuizMaster

Question: In gas chromatography, the basis for separation of the components of the volatile material is the difference in
[A].

partition coefficients

[B].

conductivity

[C].

molecular weight

[D].

molarity

Answer: Option A

Explanation:

No answer description available for this question.

An organism’s first line of defense against attack by an invader such as a virus or bacterium is usually

July 24, 2022 by QuizMaster

Question: An organism’s first line of defense against attack by an invader such as a virus or bacterium is usually
[A].

to flee or hide

[B].

its body wall

[C].

a specific immune response

[D].

a nonspecific immune response

Answer: Option B

Explanation:

No answer description available for this question.

Which of the following two organelles look most alike structurally?

July 24, 2022 by QuizMaster

Question: Which of the following two organelles look most alike structurally?
[A].

Nucleus and vesicle

[B].

Golgi apparatus and smooth endoplasmic reticulum ER

[C].

Vacuole and cytoskeleton

[D].

Lysosome and chloroplast

Answer: Option B

Explanation:

No answer description available for this question.

Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?

July 24, 2022 by QuizMaster

Question: Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?
[A].

Mitochondrion

[B].

Lysosome

[C].

Golgi apparatus

[D].

Endoplasmic reticulum

Answer: Option D

Explanation:

No answer description available for this question.