Why is it that there are more immunoglobulin proteins than can be accounted for by the number of V gene segments?
What will be an ideal response?
Ans: In addition to the diversity generated by somatic recombination involving the V gene in lymphocytes, mutational changes in these genes in the lymphocytes (known as somatic hypermutation) allow more variants.
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The wall that divides the nasal cavity is called the _____
a. nasodivision b. nares c. nasal septum d. nasal meatus.
Which group is not part of the Domain Eukarya?
a. Plants b. Protists with chloroplasts c. Fungi d. Animals e. Heterotrophic bacteria
Prokaryotes typically undergo ____ via the process of ____
a. asexual reproduction; mitosis b. sexual reproduction; meiosis c. asexual reproduction; binary fission d. sexual reproduction; binary fission e. asexual reproduction; budding
If electrons in water molecules were equally attracted to the hydrogen and oxygen atoms, how would this affect the polar covalent bonds between the hydrogen and oxygen atoms?
A. The bond would break. B. The bond would become more polar. C. The bond would become a hydrogen bond. D. The bond would become covalent. E. The bond would become less polar. F. The bond would become ionic.