In living organisms, the molecule most associated with temperature stability is _____.
A) molecular oxygen
B) sugar
C) hemoglobin
D) sodium chloride
E) water
Answer: E) water
You might also like to view...
Which of the following is NOT an oxygenic phototrophic microorganism present in marine waters?
A) Ostreococcus B) Prochlorococcus C) Roseobacter D) Trichodesmium
It's your birthday and you splurge with a big slice of chocolate cake, heavy on the icing. Shortly afterwards, your blood glucose levels rise until an endocrine mechanism (secretion of insulin) counteracts this rise and glucose levels decline. The initial change in blood glucose and insulin response that follows is an example of
A. physiological constancy. B. diffusion. C. homeostasis. D. positive feedback. E. lack of homeostasis.
The sunlit portion of a lake where rooted plants are not found is the
A. littoral zone. B. profundal zone. C. abyssal zone. D. limnetic zone. E. benthic zone.
Homo floresiensis is a relatively new find of fossils from:
A) Africa. B) Australia. C) Indonesia. D) Europe.