Summers in the Southwest are hot and dry because of maritime tropical air masses.

true or false?

Discuss the biological importance of each of the following organic compounds in relation to cellular structure and function in plants and animals. a) Carbohydrates b) Proteins c) Lipids d) Nucleic acids

Where does the exchange of materials in and out of a cell take place? A. cell membrane B. nucleus C. chloroplast D. chromosome

What process describes the transfer of heat through matter by molecular activity? conduction convection radiation evaporation

Use diffusion to explain what happens when you drop a sugar cube into a mug of hot tea. Explain

MiRNAs are involved in A. transcriptional silencing B. RNA interference C. methylation D. quenching

What kind of microbe causes HIV?

Which of the following substances would NOT be found in significant amounts in the extracellular matrix of the illustrated areolar connective tissue? A. collagen B. elastin C. keratin D. proteoglycan

What could be one possible effect on human health due to an oil spill? A. Greenhouse gases being emitted into our atmosphere from the vessel can have a negative impact on our air quality. B.

What condition would an increase in bicarbonate ion lead to?

The dental formula 2-1-2-3 corresponds to what order of teeth? a. molars, premolars, canines, incisors b. incisors, canines, premolars, molars c. canines, premolars, incisors, molars d. premolars, molars, incisors, canines