Which of the Following Statements Concerning Plasma Cells Is FALSE

question 20

Multiple Choice

Which of the following statements concerning plasma cells is FALSE?

• A) They live a long time and function as memory cells.
• B) They are activated B cells.
• C) They produce 2000 antibodies per second.
• D) They secrete antibody molecules with antigen-determining sites that act only against specific antigen determinants.
• E) The antibodies they produce can remain in circulation for years.

Describe the protective layers of the brain and their importance.

Comprehend the basic principles of cerebral blood supply.

Grasp the concepts of afferent and efferent pathways in neurological signaling.

Understand the functions and responsibilities of different brain lobes (frontal, parietal, occipital, temporal).

---

Definitions:

Sensory Bias

A phenomenon in which preferences that evolve in one context, such as foraging, incidentally shape mate preferences, influencing sexual selection.

Elephant Seals

Large marine mammals with a distinctive nose resembling an elephant's trunk, known for their deep-diving ability and sexual dimorphism.

Polygyny

A mating system in which a male mates with multiple females in the same breeding season.

Wattled Jacanas

Tropical wetland birds known for their distinctive long toes and striking facial wattles, typically found across Central and South America.