Metabolism: all chemical reactions within a cell
trees do not fix N2 from air they fix oxygen with the help of N2 fixing bacteria . so trees do not fix N2
How do the profile plot amplitudes of all three muscle types (skeletal, cardiac and smooth muscle) compare? ... The skeletal profile plot was much higher in value because the skeletal muscle does not more involuntarily, like the cardiac muscle and smooth muscles do.
Answer:
Once mitosis is complete, the cell has two groups of 46 chromosomes, each enclosed with their own nuclear membrane. The cell then splits in two by a process called cytokinesis, creating two clones of the original cell, each with 46 monovalent chromosomes.
Explanation: