To Test the Effect of Vitamin D on Growth, Two

question 80

Multiple Choice

To test the effect of vitamin D on growth, two groups of rats were raised under identical conditions and fed the same diet. One of the groups received daily injections of vitamin D. The other group received injections of saline, which did not contain vitamin D. All the rats were weighed weekly for 2 months. In this experiment, the control was the

• A) group receiving vitamin D.
• B) 2-month period of time.
• C) average weight gain of the rats.
• D) group receiving saline.

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Definitions:

Complementary Products

Goods or services that enhance or are used together with another, increasing the overall value of the primary product.

Hot Dogs

A cooked sausage, traditionally grilled or steamed and served in a sliced bun as a fast-food.

Salad Dressing

A liquid or semi-liquid condiment added to salads to enhance flavor, ranging from simple vinaigrettes to creamy dressings.

Organic Produce

Food products that are grown without the use of synthetic pesticides, fertilizers, genetically modified organisms, or ionizing radiation.