Whats a imitation of scientific models

During phase variation there is a choose one: a. posttranslational change in an organism's proteins. b. alteration of an organism's dna. c. posttranscription change increasing the number of rnases produced. d.

Which enzyme is responsible for the majority of the digestions of lipids?

Explain what you would do if you looked through the microscope at your slide and did not see any light, even though the light is turned on.

A forest is cut down to make paper. Diversity in this area will increase. decrease. stay the same. fluctuate.

Which substance do all living things require to survive

Water can be returned to the atmosphere by a process know as what?

What is the root cause of heat stroke?

7. There is a narrow opening from the Mediterranean to the Atlantic called the Strait of Gibraltar. During World War II, submarines would sneak quietly through the heavily patrolled strait by shutting off their engines.

Suppose scientists have 2 substances that look alike. how could they use density to see if they are the same substance?

Lysogenic bacteriophages contribute to bacterial virulence because bacteriophages kill human cells. carry plasmids. kill the bacteria, causing release of endotoxins. produce toxins. give new gene sequences to the host bacteria.