The shrubs and trees in windbreaks protect soil from erosion by rain water.

Name the tripeptide above using the three letter amino acid abbreviations separated by a hyphen (for example: gly-ala-phe).

What are three scientific discoveries that have made health care what it is today?

The ___ are thin-walled blood vessels that exchange materials through their walls. A. Arteries B. Arterioles C. Capilleries D. Venules

Trace the energy transformation from a radio signal to the music you hear.

Describe how a measurement can be accurate but not precise?

How far is the sun from the earth?

An Average human muscle contains more than 1,000 mitochondria. Explain why

A unique species of snail has been discovered in the Negev Desert. At night, these snails use a toothlike rasping organ in their head to scrape up porous limestone; they then digest the algae that lived in the rock pores. This scraping organ is the:

When double stranded dna is "cleaved" or cut. there are two ways that the cut might be repaired what are the two ways?

Companies have been collecting data on an organism in a habitat surrounding a local tidal power plant. They compare data with a habitat that is not near a local tidal power plant.