In the DNA molecule, the complementary base pair of adenine is always
A. thymine.
B. cytosine.
C. uracil.
D. guanine.
Answer: A
You might also like to view...
The chemical symbol O?O means ________.
A) zero equals zero B) both atoms are bonded and have zero electrons in the outer orbit C) the atoms are double bonded D) this is an ionic bond with two shared electrons
You are a server in a restaurant, always interested in going the extra mile for your customers. Patrick, a regular customer in your section, has ordered sweet iced tea and has an appointment in 10 minutes, so he must drink quickly then leave. The kitchen staff makes only unsweetened tea, but there are sugar packets on the tables. What should you do for Patrick to provide the best sweet tea, and
what general principle of diffusion does this illustrate? (Hint: Will sugar dissolve quickly in an iced drink?) What will be an ideal response?
The ability of the blood to supply oxygen and remove carbon dioxide from the tissues depends upon
A) the ability of the blood to remain in constant motion. B) the osmotic balance, as controlled by the kidneys. C) the rate at which platelets are manufactured. D) the diameter of the capillaries. E) the number of white blood cells in the circulation.
The interlobar vein connects with the ____ vein at the base of a renal pyramid
a. arcuate b. efferent c. afferent d. glomerular