You place a drop of a solution on red litmus paper. No color change occurs. What do you conclude?

Is the disease most likely a bacterium or a virus? Explain your answer.

A scientist has two tanks of brine shrimp with 20 brine shrimp in each tank. He feeds algae to one group and yeast to the other but keeps all other conditions the same.

How to stop obesity?

Bacteria can survive in extreme environments. True False

Write a sentence that explains how each pair of terms are related. 1. cystic fibrosis - mutation 2. biopsy - metastasis 3. carcinogen - melanoma 4. multifactorial disorder - heart disease 5. MRI scan - CAT scan

Mendel's second law is the Law of Independent Assortment. According to that law and according to other facts that Mendel discovered, what statement or statements are true in the following list? a.

If a student wanted to separate the colored pigments from a green leaf, the student would likely consider the separation technique of: a. crystallization b. chromatography c. filtering d. distillation

Which of these is an enviromental effect of burning fossil fuels a. tempature increase b. soil erosion c. habbitat succesion d. Flooding

Which of the following is the best example of how factors within a person's environment can influence their personal health? A. eating too much sugar increasing a person's risk of diabetes B. regular exercise decreasing a person's cholesterol C.

What does a prokaryotic cell compare to (daily objects)