What is incorrect about the ostrich?
a. It weighs over 300 pounds.
b. It is featherless.
c. It is flightless.
d. It has a four-chambered heart.
e. It is a runner.
Answer: b
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What is the purpose of prokaryotic DNA replication?
a. fertilization b. conjugation c. to make an extra copy of the chromosome prior to binary fission d. to polymerize additional genetic material to add to genetic variation
In the mitochondria pyruvate molecules are converted into ____________________ molecules, which can enter the
Krebs cycle reactions. Fill in the blank(s) with the appropriate word(s).
The point at which various factors that influence the level of some regulated function (such as body weight) achieve an equilibrium; the idea is that as body-fat levels increase, changes occur that tend to limit further increases until a balance is achieved between all factors that encourage weight gain and all those that discourage it
What will be an ideal response?
Horizontal rows of parenchymal cells that transport materials horizontally are called?
A. tracheids B. fibers C. sieve tubes D. rays E. vessel elements