Covalent modification of enzymes most commonly uses phosphoryl, methyl, and adenyl groups.
Answer the following statement true (T) or false (F)
True
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Which structure holds two homologous chromosomes together?
A. centromere B. kinetochore C. polar microtubules D. spindle apparatus E. synaptonemal complex
Which of the following is true of introns?
A. RNA II polymerase transcribes the intronsequences along with exon sequences. B. More DNA of the human genome is devoted to exons than to introns. C. Introns are not found in bacteria or archaea, only eukaryotes. D. When annealing mature mRNA to corresponding chromosomal DNA sequences, the mRNA will form loops with intron sequences looped out.
cholesterol transported by HDL is metabolized in what organ
What will be an ideal response?
Gene flow
A) can spread certain alleles throughout a species. B) negates the influence of evolution on a population. C) isolates populations from one another. D) limits evolutionary fitness. E) prevents migration of individuals into other populations.