In a food web diagram, ________ species feed on no other species but are fed upon by others

Fill in the blank(s) with correct word


basal

Biology & Microbiology

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Water diffuses through certain organs such as the kidneys and bladder much faster than would occur by passive diffusion through a lipid bilayer alone. What accounts for this more rapid rate of water transport in these organs?

A. The composition of lipids changes to promote water transport. B. Presence of aquaporin channels for facilitated diffusion of water. C. Presence of a water pump. D. Presence of an ATP-driven enzyme for water transport. E. The presence of molecules that bind water and change its membrane permeability properties.

Biology & Microbiology

The size of an action potential depends upon the strength of the stimulus; a strong stimulus will initiate a larger action potential

1.True 2.False

Biology & Microbiology

The muscular system is made up of

Biology & Microbiology

Not only does smoking cause lung cancer, it also quadruples the risk of which one of the following types of cancer?

A) stomach B) prostate C) bladder D) colon E) brain

Biology & Microbiology