To support the world population at the same standard of living as we have in the United States would require ________ times the resources that are available on Earth today

A) 2 B) 1.5 C) 20 D) 5 E) 10


D

Biology & Microbiology

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You toss a coin twice. Because the outcome of the first toss does not affect the outcome of the second toss, these 2 events are called

A. mutually exclusive. B. independent. C. dependent. D. random.

Biology & Microbiology

The exoskeleton of arthropods is composed of chitin

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following statements regarding ELISAs is TRUE?

A) They are not quantitative. B) They require large amounts of serum. C) The antibody label is a fluorescent molecule. D) They can be used to detect antibody or antigen. E) They involve the use of membrane filters.

Biology & Microbiology

If a cell contains 20 chromosomes, how many chromatids will be present during prophase?

A) 30 B) 20 C) 40 D) 5

Biology & Microbiology