How many copies of a specific allele does a gamete cell have?
a. 1
b. 2
c. 23
d. 46
e. 92
ANSWER: a
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Which of the following cells conduct sugars?
a. tracheids b. vessel members c. companion cells d. sieve-tube members e. more than of these cells conduct sugars
A female chooses a mate by
A. selecting the more aggressive and vigorous males. B. selecting traits that improve the chances of offspring survival. C. courtship display rituals. D. All of the choices apply.
Another name for scar formation is ______.
Fill in the blank(s) with the appropriate word(s).
A piece of silver can be cut indefinitely into pieces and still retain all of the properties of silver.
A) True. All particles, including subatomic particles that make up the element, possess the properties of the element. B) True. Atoms are the smallest units of matter, are indivisible, and possess the properties of their element. C) False. Once the pieces are smaller than an atom of silver, the pieces no longer retain the properties of silver. D) False. Silver atoms are too small to possess the properties of silver. E) False. As a piece of silver is cut into smaller pieces, the atoms begin to take on the properties of smaller elements.