Which antibody forms a pentamer in blood?
a. IgG
b. IgA
c. IgD
d. IgM
e. IgE
Answer: d
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All of these statements about Chlamydomonas are true, EXCEPT
A. chlamydomonas has two flagella. B. each motile Chlamydomonas cell has a single haploid nucleus. C. chlamydomonas only reproduces asexually. D. chlamydomonas is photoautotrophic.
If an antibody is missing its Fc fragment, what would happen if this antibody encounters its target antigen in the bloodstream? Select all correct choices
A. The antibody would be able to bind the antigen at a specific epitope. B. The antibody would be able to bind the antigen, but not at an epitope site. C. The antibody would not be able to bind to the antigen. D. The antibody would be able to activate components of the complement system. E. The antibody would not be able to activate components of the complement system.
Late mRNA products in T4 phage include
A. phage structural proteins. B. proteins involved in cell lysis and phage release. C. proteins that help with phage assembly without becoming part of the virion. D. All of the above are correct.
What is the genetic makeup of an individual who has inherited Jacobs syndrome?
A. XXX B. XYY C. XXY D. XO E. none of these