Which pair of chromosomes can contain two very different chromosomes and still be considered normal ?

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?