A valid scientific hypothesis must be testable

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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Both glycolysis and the pentose phosphate pathway oxidize glucose to pyruvate

Indicate whether this statement is true or false.

Biology & Microbiology

Classic albinism is an autosomal recessive mutation. However, two parents with albinism may produce a child with normal pigment. How can this be so?

What will be an ideal response?

Biology & Microbiology

When you hyperventilate (breathe too fast), respiratory alkalosis (decreased concentration of hydrogen ions in the blood) can occur, which can cause you to faint. A common but potentially dangerous method to reverse respiratory alkalosis is to hold a

paper bag over your mouth and take normal breaths, thereby rebreathing the exhaled air. How might this method reverse respiratory alkalosis? A) Inhaling oxygen exhaled into the bag will cause oxygen to diffuse back into the blood and react with water to form carbonic acid, and blood pH will decrease. B) Inhaling oxygen exhaled into the bag will cause oxygen to diffuse back into the blood and react with water to form carbonic acid, and blood pH will increase. C) Inhaling carbon dioxide exhaled into the bag will cause carbon dioxide to diffuse back into the blood and react with water to form carbonic acid, and blood pH will increase. D) Inhaling carbon dioxide exhaled into the bag will cause carbon dioxide to diffuse back into the blood and react with water to form carbonic acid, and blood pH will decrease.

Biology & Microbiology

Which of the following would be most effective in reducing the amount of CO2 in the atmosphere?

A. cyanobacteria B. anaerobic microbes C. heterotrophic organisms D. fungi E. nitrogen fixers

Biology & Microbiology