Only protein coding genes are transcribed
1.True
2.False
2
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Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?
A) Proto-oncogenes first arose from viral infections. B) Proto-oncogenes normally help regulate cell division. C) Proto-oncogenes are genetic "junk." D) Proto-oncogenes are mutant versions of normal genes. E) Cells produce proto-oncogenes as they age. Answer: B
If a pink snapdragon is self-fertilized, the offspring are red, pink, or white. What type of inheritance pattern does flower color exhibit in this example?
A. codominance B. incomplete dominance C. dominance D. incomplete recessive E. recessive
The dinosaurs disappeared at the end of which
period? a. Cretaceous b. Permian c. Triassic d. Jurassic e. Tertiary
The antibody molecule consists of how many
polypeptide chains, including light and heavy chains? a. 2 b. 3 c. 4 d. 5 e. 6