Refer to the figure above. The mRNA is smaller than the length of the DNA that codes for it because _____
A) the regulatory regions (exons) of the gene are not transcribed
B) post-transcriptional modification removes the introns
C) post-transcriptional modification removes the exons
D) bases are added to the tail of the primary transcript
Answer: B
You might also like to view...
In the region of budding, the inside of the plasma membrane becomes coated with
A. enzymes. B. carbohydrates. C. steroids. D. matrix proteins.
If tall (D) is dominant to dwarf (d), and two
homozygous varieties DD and dd are crossed, then what kind of progeny will be produced? a. all intermediate forms b. all tall c. all dwarf d. 1/2 tall, 1/2 dwarf e. 3/4 tall, 1/4 dwarf
Animals that are warm blooded, have body hair, and produce milk for their young are grouped in the class
a. amphibia b. mammalia c. aves d. reptilia
The sutures of the skull are examples of a _____ joint
synovial cartilaginous fibrous hyaline