Symptoms of an allergic reaction such as increased secretion of mucus, swelling, and pain are due to the release of ________ from mast cells
Fill in the blank(s) with correct word
histamine
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During this phase of the cell cycle the microtubules of the spindle fiber attach to the kinetochore:
A. Metaphase B. Prometaphase C. Telophase D. Anaphase E. Prophase
The middle man of the plant’s storage and distribution systems is the
a. fruit. b. leaves. c. roots. d. stems.
Carriers of cystic fibrosis have some protection against intestinal infections such as cholera. However, people with two copies of the cystic fibrosis allele develop a life-threatening disease. The mutant allele is very common in people of northern European descent because of
A. disruptive selection. B. directional selection. C. artificial selection. D. sexual selection. E. stabilizing selection.
Explain why pancreatic juice is important in the digestive process
What will be an ideal response?