The pH of your small intestines is around 7.5 and the pH of your large intestine can be 5.5. As substances travel from the small intestines to the large intestine, what would happen to the H+ ion concentration?
A. It decreases 100 fold.
B. It increases by 100 fold.
C. It increases 10 fold.
D. It increases 2 fold.
E. It decreases 10 fold.
B. It increases by 100 fold.
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The chemicals that attract neutrophils to a site of infection are called ____________________
Fill in the blank(s) with correct word
The letter "B" from the accompanying figure represents ____
a. complement b. MHC markers with antigen expressed to the surface of a cell c. lysosome with MHC molecule d. plasma membranes fusing e. MHC recycling
Look at the label above. What is the maximum time you should keep this medication?
What will be an ideal response?
The most probable cause for the difference in mean stem length between plants in dish A and plants in dish B is which of the following?
(A) Shortening of cells in the stem in response to the lack of light (B) Elongation of seedlings in response to the lack of light (C) Enhancement of stem elongation by light (D) Genetic differences between the seeds