You are looking through a microscope at onion cells an you see a cell with the sister chromatids lined up across the middle of cell what phase of mitosis are you observing

John's class has been studying blood type and donations. John is not sure what blood type he has. At dinner, John asked him mon if she knew his blood type. John's Mom has type A blood and his Dad has type B blood.

Where do male and female gametophytes develop in gymnosperms?

Why do real examples not always follow the punnrt square

Transcription factors in eukaryotes usually have DNA binding domains as well as other domains that are also specific for binding.

A thick band of bone forms around a broken bone as it heals. In time, the thickened band disappears. Explain how this extra bone can disappear over time.

In this biome you will find many evergreens tree. They don't lose their leaves and they are triangle shaped so their branches won't hold snow and break. This biome is found in Canada and Russia what biome is this?

The drought alone did not cause the dust bowl. It was combination of several things, the drought and

Ecology is made up of

Why does a temperature inversion trap smog and prevent it from dispersing

Turgor pressure is the result of: A) the activity of the contractile vacuole. B) water accumulation within a cell. C) the rigidity of the plasma membrane. D) All of these choices are correct.