The blood-brain barrier is reduced or missing from three locations in the brain. which is not one of these locations?

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these