What typically has to happen before a fruit develops? I) flowering II) pollination III) double fertilization
A) I only
B) I and II
C) II and III
D) I, II, and III
D
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The double helix model of DNA structure was proposed by
A. Watson and Crick. B. Griffith. C. Avery. D. Franklin. E. Chargaff.
Which of the following would occur from a mutation in the gene's promoter region?
A. The sequence of the mature mRNA would change. B. The ability of pre-mRNA to be properly spliced would change. C. The ability of mRNA to be translationally regulated would change. D. The amino acid sequence of the translated protein would be altered. E. The rate of transcription may increase or decrease.
A condition in which the pancreas is unable to produce insulin or is unable to produce enough insulin for the cells to use glucose is called
a. diabetes insipidus b. hypoglycemia c. diabetes mellitus d. meningitis
The normal human karyotype contains __________ chromosomes
a. 22 b. 23 c. 44 d. 46 e. 54