Select the correct answer.

Which term defines a well-tested, scientifically supported statement that explains how something works?

A.

hypothesis

B. law

OC. observation

D. theory

Why does the moon have phases

When a cell is placed in this solution water will enter the cell by osmosis causing it to swell?

What do prokaryotes have in common with eukaryotes? A. They both have a Golgi apparatus. B. They both have mitochondria. C. They both have a nuclear membrane. D. They both have a liquid cytoplasm.

Describe two functions of a catalyst in terms of cause & effect

Atoms of what element from the backbone of large complex molecules such as sugars and fat?

What is the definition of "Mass"?

Which of the following is a correct statement? Select one: a. If you want to make a cDNA library, it doesn't matter which tissue you isolate the mRNA from. b.

In fruit flies long wings (W) are dominant to short wings. What is the phenotype of the known parent

Bromothymol blue is placed into water and a student blows bubbles into it to change the color to yellow. A plant is placed in each test tube. One is placed in the light and one is placed in the dark.

A scientist is conducting an experiment to test a hypothesis. If the data from the experiment does not support the hypothesis, the research is not a waste of time because - A no additional research needs to be conducted B the question was answered