Which is (are) true of natural selection A) it requires genetic variationB) it involves reproductive successC) it results in descent with modification D) it is what Charles Darwin observedE) all of these are true of natural selection

Amylase can be used to break down A) glucoseB) amyloseC) cellulose D) chitin E) lactose

Referring to the above figure, these are best described as A) structural isomers  B) cis-trans isomersC) mirror images with the same biological activity D) enantiomersE) identical  

 How many different amino acids are there A) 20B) 23C) 22D) 25

What are the cell walls of fungi composed of  A) chitinB) celluloseC) amylopectinD) amyloseE) peptidoglycan

Finish the sentence: ONE word per blank Charles observed descent with through selection which is now termed .

DNA is found in the A) golgi apparatus  B) ribosomesC) nucleus D) plasma membraneE) endoplasmic reticulum

Which element(s) listed below would be chemically non-reactive A) the noble gas neonB) the noble gas heliumC) carbonD) hydrogen E) A and B 

Doubling sound level pressure results in an increase in overall 

Range of frequencies around a test frequency which contributes to the masking of that frequency