The answer is A, 'a mammal' because it goes with the copulative verb 'to be', i. e., 'is'.
Answer:
mycobacterium tuberculosis that has to complete successive cycle of transmission,infection and disease
*The rate at which radioactive decay occurs.
*How much radioactive decay has occurred.
Answer:
Prophase; when the nuclear envelope breaks down,
prometaphase; the physical barrier that encloses the nucleus, called the nuclear envelope, breaks down
metaphase; The chromosomes line up across the center of the cell
anaphase; The centromeres split
telophase; The chromosomes begin to stretch out and lose their rod-like appearance
