Which of these is not a structure found in prokaryotic cells?

a defined nucleus

ribosomes

cytoplasm

cell membrane

What percentage of a radioactive species would be found as daughter material after five half-lives?

The blades of a windmill are like the turbine of a coal-burning power plant. Answer True False

Suppose you were to grind the up and homogenate a pancreas. Do you think it would be possible to isolate insulin from this homogenate?

Which of these is actually a large ring of cartilage?

The location of on a protein enzyme where the reactions occur is known as the?

Which has a more long term consistency? (Climate or Weather)

Bees and butterflies are dependent on flowers for their food. However, the more successful of the two will get the nectar. Which kind of animal interaction does this demonstrate?

Why do all macromolecules have in common with eachother they all act as catalyst

Where do primary consumers get their carbon from

How is fermentation involved in the production of atp?