Which of the following is true for a cell that has a nucleus
a. it will not have a nuclear membrane.
b. it will not have a nucloelus.
c. it will not have ribosomes.
d. it will not have a nucleoid.

A is true because they do have a true nucleus or membrane-bound organelles .

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.