Until very recently, it was thought that peptic ulcers were caused by stress, spicy foods, alcohol consumption, and excess stomach acid production. why was it controversial to suggest that a bacterium could be a root cause for peptic ulcers?
until very recently, it was thought that peptic ulcers were caused by stress, spicy foods, alcohol consumption, and excess stomach acid production. why was it controversial to suggest that a bacterium could be a root cause for peptic ulcers?

Plants are used for so many things. in your house alone, you can probably look around you and see where plants have been used. for this project, you will identify various uses of plants in your home. directions make a list of objects, products, and any other items around your house where plants were involved in the production of the item. you should have a list of at least twenty items. then respond to the following questions: note: your list of objects and the answers following should be at least 200 words in length. what if plants no longer existed on earth? how would your life be different?

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

What type of plant is good for a bioassay and where can i buy it? i only have a month.