Long-distance transport of oxygen to the cells of animals is facilitated by the
A) brain.
B) heart.
C) stomach.
D) mouth.
B
You might also like to view...
Name the constituent parts of a nucleoside and a nucleotide
What will be an ideal response?
Which of the following regulates salt balance?
A) ADH B) aldosterone C) atrial natriuretic hormone (ANH) D) renin E) both aldosterone and ANH
While visiting the South Island of New Zealand, you notice that conditions vary sharply across the island. The West Coast is very wet and receives between 600 and 1600 mm of rainfall per year, while the East Coast only receives about 640 mm of rain per year and is very dry. What best explains this regional difference in precipitation?
A. The presence of mountains along the West Coast. B. Proximity to Antarctica. C. The absence of inland lakes. D. The presence of a large river along the West Coast. E. Latitudinal differences between the East and West Coasts.
Another term for the palindromic sequence found at the ends of transposons is a(n)
A) complex transposon. B) bacteriophage. C) insertion sequence. D) inverted repeat. E) transposase.