He took swabs of one pea plant and put it on others to help them reproduce.
Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
I am pretty sure that if muscle cells failed to function properly the thing that would happen is being revealed by the first option : A. The muscles will not work. I choose this one because as you know muscles are made of muscle tissue and if cells fail it won't functionate at all.
I’m pretty sure it’s to do with studying history and geography, I know that scientists also use it to study the earths magnetic field
Could I have a Brainly please?!
Answer:
breaking bonds of sugars to form new molecules
Explanation:
