Which of the following organelles are involved in making, modifying and transporting proteins? a. Ribosomes , chloroplasts, cell membranes, and smooth ER
b. Nucleus, Ribsomes, rough ER, and golgi body
c. Nucleus, mitochondria, lysosomes, and rough ER
d. rough ER, Smoove ER, or ribsomes

Which statement describes the punctuated equilibrium theory?

What is one affect on the australian environment due to the introduction of non-native european rabbits? (a) more grass grew in response to the need of the growing population of rabbits. (b) the rabbits balance out the food chain as they became a natural prey to many predators. (c) the rabbits the land by digging, which caused the soil to spread much needed nutrients. (d) the rabbits out-competed other small animals species and caused them to go extinct.

Which of the following molecules will diffuse most quickly across a lipid bilayer membrane? a. h2o b. o2 c. h2po4 d. glucose e. na+