This polysaccharide is a chain of glucose units that are modified by having nitrogen-containing groups
It is the main structural fiber in the external skeletons of arthropods and is also a structural material in
the cell walls of fungi.
a. chitin
b. amylopectin
c. cellulose
d. glycogen
e. amylose
A
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Which of the following disease states is not among those caused by immune complexes?
A. Systemic lupus erythematosus B. Serum sickness C. Hay fever D. Glomerulonephritis
In the Hershey-Chase experiment,
a. DNA from parent bacteriophages appeared in progeny bacteriophages. b. most of the phage DNA never entered the bacteria. c. more than three-fourths of the phage protein appeared in progeny phages. d. DNA was labeled with radioactive sulfur. e. DNA formed the coat of the bacteriophages.
What is the name of a calcium-binding protein that acts in conjunction with calcium to bring about the responses associated with cytoplasmic rises in calcium ion concentration?
a) modulocalcin b) calmodulin c) calcarian d) calpectin e) callistin
Which of the following domains only contain one kingdom?
A. Fungi and Protista B. Bacteria and Fungi C. Animalia and Plantae D. Archaea and Bacteria E. Protista and Animalia