Which describes the number of new infants per one thousand individuals in a population per year?
A. Birthrate
B. Space availability
C. Carrying capacity
D. Death rate

What statements describe a host organism?

All ova contain sex chromosomes corresponding to: x y xx xy

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament