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Escherichia cell is plated on nutrient agar plates that each contain a different type of antibiotic. The shaded area represents growth of the bacteria. Which of the following plates contains bacteria that were most resistant to the antibiotic

A. A

B. B

C. C

D. D

Answer Explanation:

This is the plate with the most growth despite the presence of antibiotic cover.

Therefore, the Correct Answer is C.

Q #1: Which of the following endocrine organs in the diagram below is involved in regulating milk production following childbirth?

A. Pituitary gland

B. Thyroid gland

C. Adrenal glands

D. Ovaries

Answer Explanation

The pituitary gland produces prolactin, which regulates milk production
Q #2: The component of an atom that possesses relatively little mass, thus being negligible in calculating the atomic mass number, is the:

A. Electron

B. Quark

C. Neutron

D. Proton

Answer Explanation

Rationale

Electrons are subatomic particles that have relatively little mass and are negligible when calculating atomic mass. The atomic number is usually the sum of protons and neutrons in the nucleus of the atom.
Q #3: Which of the following is classified as a noninfectious disease?

A. Psoriasis

B. Brucellosis

C. Olkunginys

D. Dengue

Answer Explanation

Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It is not contagious, and it is not caused by any microorganism. It is believed to be an autoimmune disorder where the immune system attacks healthy skin cells.

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