Current analysis indicates that less than 2% of the human genome codes for proteins
Based on the systems approach employed by the ENCODE project, what percentage of the genome is estimated to contain functional elements (includes functional RNAs and regulatory sequences)? A) Less than 2%
B) About 50%
C) At least 80%
D) 100%
C
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Instances in which cells die shortly after they are produced in development is called:a
morphogenesis. b. type C determination. c. apoptosis. d. non-specific differentiation. e. caspases.
Based on what you know about which organisms naturally produce restriction enzymes and how restriction enzymes are named, which of the following enzymes is isolated from the bacterium Bacillus amyloliquefaciens?
A) EcoRI B) BamHI C) SmaI D) PstI E) HindIII
Which of the following statements is NOT true about alternation of generations life cycle?
a) Spores develop into the gametophyte generation. b) When the sperm fertilizes the egg, a zygote results that develops into the sporophyte. c) The gametophyte produces eggs and sperm. d) Meiosis produces spores that are haploid. e) The sporophyte generation produces spores by mitosis in structures called sporangia.
Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called
A. oncogenic. B. latent C. delta agents. D. viroids. E. prions.