Ahuman rbc is approximately 8 µm in diameter. an unknown bacterium measures 1 ocular space using the oil immersion objective compared to 2 minor spaces on the stage micrometer. a. how big is the unknown bacterium (report in micrometers) and b. how does its size compare to the rbc (how many times bigger is one versus the other)? (4pts)

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.