Once you have turned on the light source for the compound microscope you can adjust the amount of light seen through the oculars by adjusting the .
a. iris diaphragm
b. condenser
c. focus knob
d. objective lens

Sydney drew a flow chart to illustrate the nitrogen cycle. which labels best complete the flow chart? x: producers undergo photosynthesis. y: nitrogen compounds are released into the air. x: nitrogen compounds are released into the air. y: producers undergo photosynthesis. x: free nitrogen is in the atmosphere. y: producers absorb nitrogen compounds through their roots. x: producers absorb nitrogen compounds through their roots. y: free nitrogen is in the atmosphere.

How is transcription similar to translation in terms of base pairing?

What makes a dominant allele different from a recessive allele