Each test included a sample that was just water. Why is it important to include a water-only sample for each test?


Answer: Water is the control

Biology & Microbiology

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Which teeth type would be used to crush and grind food?

a. canines b. incisors c. molars d. canines and incisors e. incisors and molars

Biology & Microbiology

A plant embryo (young sporophyte) packaged with a food supply in a tough outer coat is a:

a. Gemmae b. Pollen grain c. Seed d. Sperm e. Fruit

Biology & Microbiology

Compare and contrast the exponential and logistic models of population growth

What will be an ideal response?

Biology & Microbiology

Mitochondria and chloroplasts are the other organelles besides the nucleus that contain

A. pores. B. channels. C. DNA. D. plasma membranes. E. pigments.

Biology & Microbiology