During the splicing reaction, the intron-exon junctions are recognized by
A. snRNPs.
B. miRNAs.
C. SRP RNAs.
D. the lariat.
E. the branch point.
A. snRNPs.
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Which statement best describes h2 (narrow-sense heritability)?
A) It measures the contribution genotypic variance to total phenotypic variance. B) The deviation from additive components when they behave epistatically. C) The proportion of phenotypic variance due to additive genotypic variance alone. D) The genotypic variance due to additive action of various QTLs.
Smaller teeth and jaws, presence of a chin, thin
facial bones, and rounder, higher skull would be a partial description of a. Australopithecus robustus. b. Australopithecus boisei. c. Homo habilis (early Homo). d. Homo erectus. e. Homo sapiens.
The ciliary muscle changes the shape of the lens
____________________ Indicate whether the statement is true or false.
Why is a reducing atmosphere conducive to the origin of life?
A. It is more favorable for the development of organic molecules. B. It is rich in free oxygen. C. It is very similar to today's atmosphere. D. It is devoid of organic molecules.