Animals i think
i have the same question that i don’t understand sorry i’m commenting so i can see if anyone else gets that answer
Only 1- the experiment can not show a cause and effect relationship if there are more than one factors contributing to the outcome.
Answer:
Feeling sick. People with advanced cancer often have problems with feeling sick (nausea) or being sick (vomiting). These can be caused by treatment with chemotherapy or radiation therapy, cancer growth, blockage of the bowel or the location of the cancer.
Explanation:
Explanation:
C. Eubacteria and Archaebacteria
Answer:
they are Na+, K+ and Ca2+ ion channels.
Explanation:
Ionotropic acetylcholine receptors are also called nicotinic acetylcholine receptors because beside acetylcholine (Ch) they respond to nicotine. These receptors are primary receptors in muscle for motor nerve-muscle communication that controls muscle contraction.
Two molecules of ACh are required for receptor to open. Since the receptors are linked to ion channels, the channels open. Opening of the channel allows positively charged ions to move across it: sodium enters the cell and potassium exits.
