An onion cell is viewed using a light microscope at x400 magnification. The size of the image is measured as 14.8mm. calculate the real size of the cell in μm.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.