_______ requires _____ to function

Fill in the blank(s) with the appropriate word(s).


Ans: ATP, muscle cells to have oxygen, glucose, & other materials circulated by the blood

Biology & Microbiology

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In vertebrates, most of the fluid that ultimately exits the body as urine first enters the nephron tubules by the process of ____________.  

A.  absorption B.  excretion C.  filtration D.  reabsorption E.  secretion

Biology & Microbiology

Lancelets are

a. fish shaped. b. filter feeders. c. three to seven centimeters long. d. burrowers in shallow sediments. e. all of these.

Biology & Microbiology

Two different species of pines release their pollen at different times. This is an example of:

A) geographic isolation. B) mechanical isolation. C) behavioral isolation. D) temporal isolation.

Biology & Microbiology

Which of the following statements about the structure or composition of DNA is FALSE?

A. Each nucleotide within a DNA strand is separated by about 0.34 nm B. Adenine pairs with thymine and guanine with cytosine C. DNA is a double helix D. The amount of thymine closely approximates that of guanine within a particular organism E. Complementary base-pairing occurs between pyrimidine and purine bases

Biology & Microbiology