B is an intron between two exons, A and C. Which representation best describes how this region of mRNA will appear after it is transcribed and processed by a spliceosome?
A) A-C
B) A-B
C) B-C
D) A-B-C
A) A-C
Biology & Microbiology
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In prokaryote DNA replication, nucleotides are
assembled at which speed?
a. 1, 000 per second b. 100 per second c. 50 per second d. 25 per second e. one billion per minute
Biology & Microbiology
Infants who are homozygous dominant for achondroplasia
a. are often stillborn. b. grow to be no taller than two feet. c. grow taller than individuals who are heterozygous. d. attain a normal height. e. do not develop arms and legs.
Biology & Microbiology
Which organisms obtain heat primarily from the external environment?
a. endotherms b. ectotherms c. exotherms d. isotherms
Biology & Microbiology
A codon is composed of how many bases?
A. one B. four C. three D. 64 E. two
Biology & Microbiology