Which is one of the most important differences between prokaryotes and eukaryotes?
a. the cytoplasm in eukaryotes does not contain any organelles but that prokaryotes does
b. eukaryotes are much smaller than prokaryotes
c. prokaryotes do not have a well defined nucleus, but eukaryotes do

How does natural selection change thephenotypes within a population over time?

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?