Answer:
A
Explanation:
Organisms on Earth use nitrogen to build proteins necessary for cell
development.
Answer:
its passive transport
Explanation:
The sodium-potassium pump sets the membrane potential of the neuron by keeping the concentrations of Na+ and K+ at constant disequilibrium.
Two daughter cells are created
The cellular machinery responsible for protein synthesis is the ribosomes.
Answer:
Freshwater is a precious resource on the Earth's surface. It is also home to many diverse fish, plant, and crustacean species. The habitats that freshwater ecosystems provide consist of lakes, rivers, ponds, wetlands, streams, and springs.