A (Coulter/Petroff-Hauser chamber/spectrophotometer) counter is used to count cells on a light microscope.

What will be an ideal response?


Petroff-Hauser chamber

Biology & Microbiology

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The long arm of a chromosome is called the ____________________ arm

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following, produced from a blood protein as part of the chain of events in response to a significant drop in blood pressure, quickly raises blood pressure by constricting many arterioles?

a. atrial natriuretic factor b. renin c. aldosterone d. antidiuretic hormone e. angiotensin

Biology & Microbiology

In 2003, Japan restricted imports of beef from the United States because of fear of mad cow disease. This is an example of

a. an anti dumping measure. b. protecting an infant industry. c. a voluntary restraint measure. d. a technical barrier.

Biology & Microbiology

Most steroid hormones are synthesized from

A) amino acids. B) insulin. C) linoleic acid. D) cholesterol. E) glucose.

Biology & Microbiology