Answer:
D
Explanation:
We can’t use nitrogen from the air and that’s why we have to use bacteria to into something that we can use
Answer:
Metaphase
Explanation:
During metaphase, the chromosomes align at the center of the cell
Body Tissues. Tissue is a group of cells that have similar structure and that function together as a unit.
Answer:
The mechanism by which cells regulate their ability to respond to extracellular messengers is known as receptor signalling.
Explanation:
Cells senses an environment and communicate which each other through ligand-induced activation of signalling receptors at the cell surface. Signalling receptors enter the endocytic pathway and are sorts into various compartments. Endocytosis regulates cell signalling by controlling the number of receptors available for activation in plasma membrane and activation of receptors or downstream effectors often stimulate receptor endocytosis.
Answer:
oak due to it being on top
