A protein
A. is a macromolecule.
B. consists of many linked amino acids.
C. may be made of two or more polypeptides.
D. is correctly described by all three of these answers.
D. is correctly described by all three of these answers.
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Which of the following is a normal skin resident?
A. Clostridium perfringens B. Streptococcus mutans C. Staphylococcus aureus D. Staphylococcus epidermidis
The eyes and the respiratory tract are both protected against infections by _____
A) interferons produced by immune cells B) the secretion of complement proteins C) the release of slightly alkaline secretions D) the secretion of lysozyme onto their surfaces
The adaptive immune response requires exposure to specific epitopes for activation.
Answer the following statement true (T) or false (F)
At the end of _______ and cytokinesis there are four haploid cells.
Fill in the blank(s) with the appropriate word(s).