Biology, 21.04.2020 05:16 davishernandez357
You are having lunch with an elderly friend when suddenly he begins to experience chest pain and tightness. He reaches into his pocket, gets out one of his nitroglycerin tablets and quickly takes it. After the episode passes, your friend asks you how the nitroglycerin helps his angina. You explain that nitroglycerin gets converted by cells to nitric oxide (NO) causing the smooth muscle cells of the blood vessel to relax and increase blood flow to the heart.
He pushes you for a more detailed explanation, so you explain further that .
Answers: 3
Biology, 21.06.2019 20:00
Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.
Answers: 1
Biology, 22.06.2019 09:10
Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone
Answers: 1
Biology, 22.06.2019 19:30
All other things being equal the size of a population will decrease if
Answers: 1
You are having lunch with an elderly friend when suddenly he begins to experience chest pain and tig...
Computers and Technology, 17.11.2020 21:30
Arts, 17.11.2020 21:30
Mathematics, 17.11.2020 21:30
Biology, 17.11.2020 21:30
Mathematics, 17.11.2020 21:30
Mathematics, 17.11.2020 21:30
World Languages, 17.11.2020 21:30
History, 17.11.2020 21:30
Mathematics, 17.11.2020 21:30
Mathematics, 17.11.2020 21:30
Biology, 17.11.2020 21:30