A(n) __________ is a noncellular infectious particle with a protein coat enclosing DNA or RNA.
Fill in the blank(s) with the appropriate word(s).
virus
Biology & Microbiology
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The hypothalamic hormone that triggers the secretion of follicle-stimulating hormone (FSH) is _____
A) luteinizing hormone (LH) B) estradiol C) progesterone D) human chorionic gonadotropin (hCG) E) gonadotropin-releasing hormone (GnRH)
Biology & Microbiology
Which is the major form of antibody in external secretions?
A. IgM B. IgG C. IgD D. IgA E. IgE
Biology & Microbiology
Which one of the following tissues can respond to the environment by generating electrical signals?
A) dermis B) nervous C) muscle D) epithelial E) connective
Biology & Microbiology
Homeostasis within other body systems is maintained by which two organ systems?
A. urinary B. endocrine C. nervous D. circulatory E. respiratory
Biology & Microbiology