What statement about tobacco use is true?
a. smokeless tobacco can lead to cancer but is not addictive.
b. smoking relaxes people because it lowers the heart rate.
c. smoking can lead to emphysema as well as strokes.

Why is it important for health care professional to stay informed about new development?

What happens in the process of photosynthesis

In many ways, the regulation of the genes of a particular group of viruses will be similar to the regulation of the host genes. therefore, which of the following would you expect of the genes of a bacteriophage? a) regulation via acetylation of histonesb) positive control mechanisms rather than negativec) control of more than one gene in an operond) reliance on transcription activators