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