4. Any substance (for example, NAD*) that gains electrons is
[p.76]
a. oxidized
b. a catalyst
c. reduced
d. a substrate

Just a quick question. will give pointswhat is the root word of "blood."it is written in my homework as hemat(o) : blood.so, should i write that the root word as hemat or hemato or hemat(o). i'm really confused.