A 2.0 cm cube (on all sides) has more surface area than an onion cell (about 0.01 cm on all sides). Explain why most cells are not 2 cm X 2 cm x 2 cm big even though they have more surface area.

What does homeostasis means in biology?

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans