Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing. What is the dependent variable?
A.) amount of stain
B.) ability to remove stain
C.) brand of stain remover
Ans: B.) ability to remove stain
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DNA duplication occurs during
a. interphase. b. prophase I. c. prophase II. d. interkinesis.
The second stage of aerobic respiration is ________
A) ATP production B) the citric acid cycle C) lactic acid fermentation D) glycolysis
Which of the following is a similarity between plant and animal development?
A. Both plants and animals have numerous somatic cells that are totipotent. B. The developmental patterns of both plants and animals rely on transcription factors. C. Cell migration occurs during both plant and animal development. D. Both plant and animal development use a group of homeotic genes called MADS box genes. E. Both plant and animal development rely on morphogens deposited in the oocyte.
The fluorescent in situ hybridization (FISH) probes are applied to intact cells and observed microscopically for the presence and location of
A. recombinant DNA. B. specific genetic marker sequence on genes. C. DNA. D. RNA. E. proteins.