In experiment 1, you will test multiple food sources to find the one that causes the most weight gain (the "winner"). In experiment 2, you will test the "winner" three times. Why do you have to repeat the experiment three times? Choose ALL that apply.

What will be an ideal response?


to look for repeatability and consistency

to confirm the results

to ensure the experiment is properly controlled

Biology & Microbiology

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Gymnosperms that produce resin, form male and female cones, and consist of tracheidbased xylem are classified as:

A. conifers. B. ginkgos. C. cycads. D. gnetophytes.

Biology & Microbiology

The interior of a ____________________ is saltier than its freshwater habitat, so water tends to diffuse into the cell. It uses contractile vacuoles to remove excess water

Fill in the blank(s) with correct word

Biology & Microbiology

During the Krebs cycle,

a. substrate-level phosphorylation occurs. b. oxaloacetate is regenerated. c. electrons and H+ are transferred to coenzymes NAD+ and FAD. d. molecules of carbon dioxide are formed. e. all of these occur

Biology & Microbiology

If one strand of a DNA double helix has the sequence ATCCGA, what is the sequence of the other strand?

A) ATCCGA B) TAGGCT C) AGCCTA D) UAGGCU

Biology & Microbiology