Which of the following is not a feature of miRNAs?
A. Primary miRNA transcripts have internal complementary sequences capable of forming hairpin structures.
B. Precursor miRNAs have internal complementary sequences capable of forming hairpin structures.
C. miRNAs are exported to nuclease in their single-stranded form.
D. Precursor miRNAs are approximately 60–70 nucleotides long.
C
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Select all of the following that are types of roots. Check all that apply.
_____ Tap. _____ Fibrous. _____ Adventurous. _____ Buttress.
Which of the following are generally not lethal to the individual in which they occur?
a. duplications and deletions b. inversions and translocations c. inversions and deletions d. translocations and duplications e. all four of these are lethal
According to the modern synthetic theory of evolution, the accumulation of mutations over time
results in
a. microevolution. b. adaptation. c. an increase in genetic variation. d. speciation. e. macroevolution.
In glycolysis, a six-carbon glucose molecule is converted into two three-carbon molecules of:
a. citrate. b. acetate. c. pyruvate. d. oxaloacetate. e. coenzyme A