Which of the following is a characteristic shared by both electron and light microscopes?
a. They both employ the use of objective lenses.
b. Both microscopes require an internal camera to visualize the specimen.
c. Both microscopes have a resolving power of 0.01 nm.
d. They both utilize white light to magnify the specimen.
Answer: a. They both employ the use of objective lenses.
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Which major checkpoint delays the cell cycle when DNA replication is incomplete?
A. G1 checkpoint B. G2 checkpoint C. M checkpoint D. G1, G2, and the M checkpoints E. None of the checkpoints delay the cell cycle when DNA replication is incomplete.
________-driven promoters are comprised of an Inr sequence and a TATA box with or without an associated BRE.
Fill in the blank(s) with the appropriate word(s).
More than 90% of deforestation occurs in tropical regions
a. True b. False
In eukaryotes, all of the different types of RNA are transcribed in the ____________.
A. mitochondria B. cytoplasm C. ribosomes D. nucleus E. endoplasmic reticulum