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:

Personality Style

an individual's typical mode of thinking, feeling, and acting that characterizes their personal interactions and approach to life.

Social Clock

The societal timelines and expectations regarding the timing of life events, such as education, employment, marriage, and parenthood.

Off-time

Refers to life events or transitions occurring at ages different from those culturally or socially expected.

Middle-class

A social class typically described as having moderate income and educational attainment, positioned between the lower and upper classes.