Which of the following statements about the human genome is false?
(a) About 50% of the human genome is made up of mobile genetic elements.
(b) More of the human genome comprises intron sequences than exon sequences.
(c) About 1.5% of the human genome codes for exons.
(d) Only the exons are conserved between the genomes of humans and other mammals.
(d) About 5% of the human genome is highly conserved with other mammalian genomes, yet only about 1.5% of the human genome codes for exons.
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The peppered moth experiment in England is an example of ________
a. mutations b. disruptive selection c. directional selection d. sexual selection e. stabilizing selection
To prevent disastrous consequences, the eukaryotic cell cycle is controlled by:
a. the mitochondria. b. helper viruses. c. environmental signals. d. a very detailed, rigid genetic program. e. a series of cell cycle checkpoint
Phagocytes utilize all of the following to optimize interaction with (getting to and getting hold of) microorganisms EXCEPT
A) trapping a bacterium against a rough surface. B) opsonization. C) chemotaxis. D) lysozyme. E) complement.
What are the three main functions of cellular localization of mRNAs?
What will be an ideal response?