The kidneys excrete metabolic wastes, including urea, a by-product of glucose metabolism.

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


False

Urea is a by-product of amino acid metabolism.

Biology & Microbiology

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Which method requires the addition of at least one radioactive chemical?

A) CARD-FISH B) MAR C) NanoSIMS D) SIP

Biology & Microbiology

If a person is diagnosed with lactose intolerance, which of the following is likely?  

A.  Eating dairy foods would be lethal. B.  This person could only drink milk. C.  Eating dairy products could cause gastrointestinal pain. D.  Eating fatty foods would be lethal. E.  Digesting sugars is no longer possible.

Biology & Microbiology

Which of the following situations will lead to natural selection?

a. The seeds of two plants land near each other and grow to similar sizes. b. Two types of fish eat the same kind of food have the same number of offspring. c. Male lions compete for the right to mate with females, with only one possible winner. d. A drought in an agricultural area leads to a loss of different types of crops and plants.

Biology & Microbiology

In DNA, most satellite sequences are found in

A) chromosome arms. B) telomeres. C) centromeres. D) spaces around the dark bands.

Biology & Microbiology