Which of the following cause arterioles to

widen and capillaries become more permeable?



a. prostaglandins
b. histamines
c. complement proteins
d. histamines and complement proteins
e. histamines and prostaglandins


E

Biology & Microbiology

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Which of the following statements about cancer is FALSE?

A. It is characterized by uncontrolled cell division. B. Over 1 million Americans are diagnosed with cancer each year. C. Most cancers involve genetic changes that are passed from parent to offspring. D. At least 80% of all human cancers are related to exposure to carcinogens. E. It is caused by an accumulation of mutations.

Biology & Microbiology

Define determination and differentiation

What will be an ideal response?

Biology & Microbiology

Provide two lines of evidence that support the idea that DNA is the genetic material. What will be an ideal response?

Biology & Microbiology

If the generation time of a bacterium is one hour, assuming you start with one bacterium, how many bacteria will be present after three hours?

A) four B) six C) eight D) three

Biology & Microbiology