Three principal types of bonds hold multiple atoms together. These are:
A) phosphate bonds, disulfide bonds, and hydrogen bonds.
B) hydrogen bonds, ionic bonds, and glycosidic linkages.
C) covalent bonds, ionic bonds, and hydrogen bonds.
D) covalent bonds, ionic bonds, and disulfide bonds.
E) ionic bonds, hydrogen bonds, and ester bonds.
C) covalent bonds, ionic bonds, and hydrogen bonds.
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When a presented antigen fragment interacts with the T cell receptor of a helper T cell, the co-receptor that must also participate to finalize recognition is ________.
A. MHC I B. CD8 C. CD4 D. All of the choices are correct.
Most of those affected with an autosomal dominant genetic disorder are homozygous for that trait
a. True b. False Indicate whether the statement is true or false
______________ degranulate in response to neuromodu-lators released at the site of tissue damage.
A. Mast cells B. Basophil C. Macrophages D. NK cells E. T cells
Which of these is part of the defense against parasites, such as tapeworms and hookworms, that have invaded the body?
A) monocytes B) lymphocytes C) neutrophils D) eosinophils