The answer is play on words, or a pun - a row of large animals separating two yards is called an elefence.
The first part of the word, ele-, obviously refers to elephants, which are large animals. The second part is a fence, which separates two yards. So this is intended to have a humorous effect.
The a research project management the light and might and reason of the survive and the check out the could effect
The answer is D: Do
not initiate cell signaling by interacting with a receptor in the plasma
membrane. Signaling molecules that are
large and cannot diffuse through the
pores of the cell membrane are the ones that initiate internal cell signaling
cascade by binding to receptors on the cell membrane.