If a nucleotide in a eukaryotic mRNA coding sequence does not appear in the genomic DNA sequence the most likely modification to have occurred is
A. Alternative splicing
B. RNA editing
C. 5' capping
D. Polyadenylation
E. Trimming
B
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Which of the following is true of both T cells and B cells?
A. They produce effector cells against specific pathogens. B. They are produced from stem cells of the bone marrow. C. They can attack and destroy invading pathogens. D. They have a short life span. E. All of these statements are true.
There are 3 alleles that lead to the ABO blood types. How many alleles does an individual inherit from their parents?
A. 1 B. 2 C. 3 D. 4 E. None of the choices is correct.
What is the role of the ribosome in protein production?
A) It reads the DNA to make an RNA molecule. B) It folds the protein into the correct shape. C) It is where proteins are made. D) It has no direct role in protein production.
Evolution occurs in
A. individuals. B. communities. C. species. D. genotypes. E. alleles.