Which Statement About Mycoplasmas Is False

question 150

Multiple Choice

Which statement about mycoplasmas is false?

• A) Their DNA codes for fewer than 500 proteins.
• B) The amount of their DNA may be close to the minimum required by a living cell.
• C) They lack a cell wall.
• D) They are a valuable source of antibiotics.
• E) They are among the smallest organisms known.

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Definitions:

Collecting Duct

A network of tubules and ducts in the kidneys that plays a role in the concentration and transportation of urine.

Nephron Loop

Also known as the loop of Henle, it's a U-shaped tube in the kidney nephron essential for concentrating urine and conserving water in the body.

Minor Calyx

A funnel-shaped structure in the kidney that collects urine from the nephrons and channels it into the major calyx.

Nephron Loop

A U-shaped part of the nephron in the kidney that plays a crucial role in concentrating urine and reabsorbing water and salts.