Which is not true of eukaryotic cells?
a. a true nucleus contains the chromosomes.
b. eukaryotic cells contain membrane-bounded compartments.
c. they contain ribosomes that are smaller than those of prokaryotic cells.
d. they all contain mitochondria.
e. they contain many organelles in the cytoplasm. b incorrect

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

What controls activities within a eukaryotic cell?

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures