After you drink a glass of acidic lemonade, your body's pH does not change. This is an example of how humans and other organisms
A) evolve in response to the environment.
B) maintain precise internal conditions through homeostasis.
C) are immune to weak acids.
D) maintain cellular organization.
B
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Which of the following are adhesion proteins that are present in both choanoflagellates and animals?
A. actins B. pectins C. cadherins D. hemoglobins
Chemical evolution:a
cannot be investigated experimentally. b. was tested in experiments performed by Watson and Crick. c. occurred about 1 billion years ago. d. resulted in simple organic molecules. e. started with unicellular prokaryotic organisms.
The point at which various factors that influence the level of some regulated function (such as body weight) achieve an equilibrium; the idea is that as body-fat levels increase, changes occur that tend to limit further increases until a balance is achieved between all factors that encourage weight gain and all those that discourage it
What will be an ideal response?
What does each different band on a DNA profile represent?