Viruses are able to regulate gene expression by switching the genes on or off. How might this regulation of their genetic code benefit the virus?

Which of the following is not an example of conflict between related individuals?

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above