How is neural crest different than endoderm, mesoderm and ectoderm?
What will be an ideal response?
Neural crest cells arise next to the developing nervous system and later migrate throughout a
vertebrate’s body. Ectoderm gives rise to the nervous system. Endoderm, mesoderm and ectoderm are
not unique to vertebrates, neural crest cells. Neural crest gives rise to unique vertebrate structures
including parts of cranium, teeth, sensory organs, cranial nerves, teeth, and sensory organs.
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The primary reason for the circularization of eukaryotic mRNA through the interaction of proteins bound at the 5' terminus and 3' poly(A) tail is to:
A. sequester unneeded transcripts. B. prevent the phosphorylation of eIF4G. C. ensure that the mRNA is fully processed before translation begins. D. None of the choices is correct.
________ blots are used to study DNA fragments, while ________ blots are used to study RNA fragments
A) Western, northern B) Southern, western C) Eastern, northern D) Southern, northern E) Western, Southern
Where can ribosomes be found inside of the cell?
What will be an ideal response?
Viral genomes are always linear, double-stranded DNA
Indicate whether the statement is true or false