True or false a factor can change in an experiment is called a variable

Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevated NaCl level.

How is nuclear fuel used to generate electricity?

How would chromosomes align during synapsis in an individual who is heterozygous for the translocation?

Cytotoxic t cells produce cytotoxins which cause apoptosis of infected cells. True or False

What should be changed to make the following sentence true? "A theta wave is a very high amplitude pattern of brain activity that may in some cases occur in response to environmental stimuli."

Identify the two primary fluids found within the eye. which one of these fluids provides nutrients to the rest of the eye

How are microscopes advantageous to scientist? name two examples when a biologist (or other scientist) may use a microscope?

Some geneticists study the genes that control bone development to try to understand bone growth and find cures for diseases. How is this different from an orthopedist (a doctor who specializes in bones) ? A.

The individual whose name is associated with a natural experiment during an outbreak of cholera in london was

Anaerobic prokaryotes use to obtain energy. Archaea and eubacteria are prokaryotic in nature. One of the differentiating characteristics between them is that eubacteria have in their cell walls.