Which characteristic of viruses prevents them from being used as evidence to support cell theory? Viruses do not have nuclei.
Viruses cannot move by themselves.
Viruses replicate only inside host cells.
Viruses can have glycoproteins on their surfaces.

Loss of protected health information collected for research should be directly reported to:

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4