You Are Given an Unknown Organism to Identify

question 69

Multiple Choice

You are given an unknown organism to identify. It is unicellular and heterotrophic. It is motile, using many short extensions of the cytoplasm, each featuring the 9 + 2 filament pattern. It has well-developed organelles and three nuclei, one large and two small. This organism is most likely to be a member of which group?

• A)foraminiferans
• B)radiolarians
• C)ciliates
• D)kinetoplastids
• E)slime moulds

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Definitions:

Orexin Levels

The concentration of orexin peptides in the body, which are crucial in regulating wakefulness and appetite.

Hunger-Dampening Hormone

A biochemical that suppresses appetite, such as leptin, which is produced by fat cells.

Leptin

A hormone produced by fat cells that regulates body weight by signaling the brain to reduce appetite and burn fat stored in the body.

Fat Cells

Fat cells, also known as adipocytes, store energy in the form of fat and play key roles in metabolism, hormone regulation, and thermal insulation.