Choose all answers that apply the cell membrane __.
is not a true organelle

contains and protects the cell

is made of a double layer of phospholipids

contains proteins that allow materials to pass through

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. a car travels 6 miles north, 3 miles east, and then 2 miles south. what is the distance traveled? a.7 b.11

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?