Which of the following is a plant waste product?
A. oxygen
<u>B. carbon dioxide </u>
C. water
D. sugar
Answer: Closed
Explanation:
At resting membrane potential( RMP) sodium channels remained shut, this is because , previously in depolarisation,the voltage gated sodium channels were opened for sodium to diffuse into the Axon. However these channels closed after reaching their refractory period,s.
Therefore a change in the extracellular concentration of sodium will not open them
The system of lenses close to the slide is known as the objective and the one on top of the microscope is known as the eyepiece. Answer is eyepiece.
Sexual reproduction leads to genetic variation because the sperm and egg that are produced contain different combination of genes than the parent organisms. sexual reproduction involves meiosis which is in the process of a cell doubling its DNA.
