Which of the following are compounds A) H2O, O2, and CH4B) H2O and O2C) O2 and CH4D) H2O and CH4, but not O2

Which of the following is disaccharide A) glucoseB) maltoseC) glycogenD) galactoseE) fructose

If an atoms has 6 protons, what is its atomic number A) 4B) 5C) 6D) 12E) 18

Which is true of atoms A) there are only uncharged neutrons in the nucleusB) they have equal number of protons and neutrons in the nucleusC) they have equal number of protons and electronsD) they have  equal number of charged and uncharged subatomic particles

Life can easily be defined [a}A) TrueB) False

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