Which of these is not a structure found in prokaryotic cells?. A. a defined nucleus. B. ribosomes. C. cytoplasm. D. cell membrane

What would happen if all of the chitin-digesting and cellulose-digesting organisms on the earth were destroyed?

Select all of the characteristics of t lymphocytes, which are involved in specific immunity.

Why can't our bodies move without bones

Q:Suppose the human gene coding for hemoglobin is inserted into a bacterial plasmid. A bacterial culture is transformed with the recombinant plasmid. Which of the following statements will be true? A. The bacteria will not survive. B.

Is reproduction necessary for the survival of a species?

Describe Coriolis effect and explain why it affects ocean currents.

If the original cell has 46 chromosomes how can each daughter cell also have 46 chromosomes

In what order does water transition from ocean water to rain water?

Where did pompeii worms get their names from

When you scratch a mosquito bite, you damage some cells. Damaged cells release histamine, which causes localized swelling. The swelling can crush cells, causing them to release more histamine. This is an example of