A Group of Biologists Studied the Nutritional Effects on Rats

question 82

Multiple Choice

A group of biologists studied the nutritional effects on rats that were fed a diet containing 10% protein.The protein was made up of yeast and corn flour.By changing the percentage P (expressed as a decimal) of yeast in the protein mix,the group estimated that the average weight gain g (in grams) of a rat over a period of time was given by g = + 200P + 20.What percentage of yeast gave an average weight gain of 70 grams?

• A) 50%
• B) 60%
• C) 65%
• D) 70%
• E) 80%

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Definitions:

Cnidarians

A phylum of aquatic invertebrate animals that includes organisms such as jellyfish, corals, and sea anemones, characterized by their cnidocytes, specialized cells used for capturing prey.

Defensive Cells

Cells within the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Reproductive Cells

Cells specialized for sexual reproduction, capable of undergoing meiosis to produce gametes or fertilized to form a new organism.

Excretory Organs

Organs involved in the process of removing waste products and excess substances from an organism's body, such as kidneys in humans.