Primates are considered to be the most advanced group of mammals. which of the following characteristics is not common to all primates? a) opposable thumbs. b) upright bipedal walking posture. c) large brain capacity. d) forward-facing binocular eyes.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

People with one sickle cell allele are not likely to get malaria. what is this an example of?

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament