Nucleic acids are composed of:

A. A phosphate group, a pentose sugar, a carboxylic acid

B. A nitrogen base, an amino group, a carboxylic acid

C. A pentose sugar, a nitrogen base, an R group

D. A phosphate group, a pentose sugar, a nitrogen base

Select the statement which indicates a good ergonomic practice A. Gina sits in the same position for long periods of time B. Sam uses a power screwdriver to avoid repetitive motions C. Therese squints to see the information on her computer monitor

During which process is water produced? alcohol fermentation acetyl CoA formation electron transport chain citric acid cycle

Due to the fact that we possess enzymes that break down the alpha linkages in starch, the glucose molecules that make up amylose and amylopectin are available for humans to absorb.

Australopithecines have been found mainly in two african regions. these areas exhibit unique geological conditions that have allowed fossils to be preserved for millions of years.

Which of the following best explains why ecosystems need a continual influx of new energy? a. Photosynthesis feeds herbivores, carnivores, and decomposers. b. As energy is recycled, a small amount is lost as heat. c.

What will a hypothesis become if it is supported by repeated experimentation

During energy transformations, sometimes energy is destroyed. is that true or false

Your patient has been diagnosed with right ventricular failure. Which of the following abnormalities is not a direct result of this problem Your patient has been diagnosed with right ventricular failure.

Which of the following is an example of sensors working during homeostasis? a blood volume decreasing from lack of water b the pancreas failing to release insulin c acidic blood pH disrupting cell metabolism d energy demands triggering a release of

If two organisms evolve in response to each other which evolutionary pattern is demonstrated