Complete oxidation (breakdown) of glucose in aerobic respiration can yield a net output of _____ ATP.

A) 38
B) 45
C) 2
D) 6


Ans: A) 38

Biology & Microbiology

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Agave americana is a monocarpic plant (it has a single carpel). Once it flowers (reproduces), it dies

Although these plants can be very long-lived before flowering (10–30 years, on average), there is no continued growth after floral meristem replaces apical meristem tissues. The floral stalk can reach heights of more than 5 meters, and takes all the carbohydrate reserves of the plant. Based on your knowledge of plant growth and development, which of the following statements is a plausible explanation for death after flowering in A. americana? A. Once the floral meristem develops, auxin is no longer produced and only lateral meristems can grow. B. There are no lateral meristems in A. americana, so growth does not occur after flowering and the plant dies. C. There are no apical or lateral meristems in A. americana; the stalk only grows because of division and elongation of floral meristem. D. After flowering, an individual A. americana knows it has reproduced, so dies because it has ensured its inclusive fitness by contributing to the next generation.

Biology & Microbiology

Vaccines using inactivated pathogens do not stimulate cell-mediated immunity as effectively as vaccines using attenuated pathogens.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which one of the following parts of the eye is affected by cataracts?

A) cornea B) lens C) aqueous humor D) vitreous humor E) retina

Biology & Microbiology

In the process of double fertilization, one sperm fuses with the egg and the other sperm fuses with a spore

____________________ Indicate whether the statement is true or false.

Biology & Microbiology