The area labeled A is ____.
A. a nucleus
B. chromatin
C. the endoplasmic reticulum
D. a vacuole
E. a nucleolus
Answer: C
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How is natural selection related to sexual reproduction as opposed to asexual reproduction?
A) Sexual reproduction results in many new gene combinations, some of which will lead to differential reproduction. B) Sexual reproduction results in the greatest number of new mutations. C) Sexual reproduction allows the greatest number of offspring to be produced. D) Sexual reproduction utilizes far less energy than asexual reproduction.
As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail is about 1.5 meters from the ground. Fifteen years later, you return and discover that the tree has grown to a height of 30 meters. As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail is about 1.5 meters from the ground. Fifteen years later, you return and discover that the tree has grown to a height of 30 meters. About how many meters above the ground is the nail?
A) 0.5 B) 1.5 C) 3.0 D) 15.0
The microbial process of converting sugars to alcohol is known as
A) fermentation. B) pasteurization. C) tyndallization. D) lyophilization. E) alcoholism.
Of the major groups of fungi that are recognized by most mycologists, which includes the fungi with which most plants form mycorrhizae?
a. Chytrids b. Zygomycetes c. Glomeromycetes d. Ascomycetes e. Basidiomycetes