1. What is the focal point of a convex lens? A. The point where the size of a sp

Question

1. What is the focal point of a convex lens?     

A. The point where the size of a specimen is enlarged.
B. The point where light traveling from a specimen hits the convex lens.
C. The point where refraction (bending of light) occurs.
D. The point where light from the lens is focused.
E. The point where light traveling from a specimen hits the objective lens.

2. Which of the following statements best describes the bacterial chromosome?

A. It is usually circular.
B. It is found in a nucleoid.
C. It is found in a nucleus.
D. It is both circular and found in a nucleoid.
E. It is both circular and found in a nucleus.

3. One of the terms below is not associated with nucleic acid structures. Which one?

A. Ribose
B. Hydrogen bonds
C. Uracil
D. Ionic bonds
E. Phosphate

4. Some infections can not be identified as coming from ONE cause because _____.

A. the patient passes away
B. the lab mice can contract more than one disease at a time
C. the lab mice died
D. they can be caused by more than one pathogen
E. microbiological techniques are better now than they were 20 years ago

5. What are the reproductive, intracellular forms of chlamydia called?

A. Elementary bodies
B. Phagosomes
C. Pseudohyphae
D. Glomerular capsules
E. Reticulate bodies

Explanation / Answer

1. D. The point where light from the lens is focused.

2. C . It is found in a nucleus.

3. D. Ionic bonds

4. D. they can be caused by more than one pathogen

5. C. Pseudohyphae

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