Recognition proteins, such as those embedded on the surface of red blood cells, are composed of
A) glycoproteins. B) phospholipases. C) nucleic acids. D) steroids.
A
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The figure below shows what happens in insect populations when crops are sprayed with insecticides. This is an example of ________.
A) natural selection B) genetic drift C) founder effect D) gene flow
Sharing of electrons between 2 atoms forms a(n)
A. hydrogen bond. B. ionic bond. C. covalent bond. D. strong bond. E. covalent bond AND strong bond.
The trophic level that an organism belongs to
a. is determined by what it uses as an energy source. b. determines the population it belongs to. c. can be thought of as its feeding level. d. is both a and c.
A build-up of pressure in this area causes the eye to change shape and the blood vessels supplying the rods and cones to collapse. This area where the pressure may rise is called the ________
A) vitreous humor B) posterior chamber C) anterior chamber D) tear glands