Describe 3 ways in which the organs of the circulatory system and respiratory systems are protected.

Which statement is not true? A) Lipids are found in cell membranes. B) Lipids are soluble in organic solvents. C) There are many different types of lipids. D) All lipids contain fatty acids. E) Some hormones are lipids.

Jim and Lisa both have insect collections. Jim is grouping and comparing the properties of the insects. Lisa is comparing and contrasting different insects. Which one is doing a science investigation? A. Lisa only B. both Jim and Lisa C. Jim only D.

Which method is utilized by eukaryotes to control their gene expression that is not used in bacteria?

What is the principle of common decent?

In Mendel's initial experiments, an example of the F2 generation would be a. 75 round seed plants to 25 wrinkled seed plants b. 75 green seed plants to 25 yellow seed plants c. 75 white-flowered plants to 25 purple-flowered plants d. all of the above

Identify the two primary fluids found within the eye. which one of these fluids provides nutrients to the rest of the eye

How are microscopes advantageous to scientist? name two examples when a biologist (or other scientist) may use a microscope?

Some geneticists study the genes that control bone development to try to understand bone growth and find cures for diseases. How is this different from an orthopedist (a doctor who specializes in bones) ? A.

The individual whose name is associated with a natural experiment during an outbreak of cholera in london was

Anaerobic prokaryotes use to obtain energy. Archaea and eubacteria are prokaryotic in nature. One of the differentiating characteristics between them is that eubacteria have in their cell walls.