The dots in the figure represent a(n)
a. covalent bond.
b. ionic bond.
c. hydrogen bond.
d. polar covalent bond.
e. hydrophobic interaction.
Answer: c
You might also like to view...
Unlike humans, trees transport water without ______________
What will be an ideal response?
The act of nursing stimulates the contraction of smooth muscle cells in the breast. If a newborn infant is unable to nurse, then
A. progesterone secretion is not inhibited. B. milk is not produced. C. oxytocin is not secreted. D. prolactin is not secreted. E. prostaglandins are not secreted.
A farmer's land includes a wilderness area that is home to an endangered species of bird. He wants to sell the land to a developer, and you have been hired to evaluate the environmental concerns. "This little patch of land is not crucial for the bird species!" the farmer says, "In fact, my land is surrounded by several other wilderness patches that also have that bird." You reply: "It is possible that your land acts as the ________ and the other areas are ________. If that's the case, development would be devastating to the population."
A. source; sinks B. sink; sources C. metapopulation; population D. population; metapopulation
An insertional mutation caused by viral genome integration may result in "slow" transformation of the host cell if
a) The protein product of the affected host gene is not directly part of an oncogenic pathway b) The protein product of the affected host gene IS a strong oncogene c) The host genome already has a normal "cellular" version of the "viral" oncogene present d) The infected host cell is already fully differentiated so it won't divide further