Author Question: Which element besides carbon, hydrogen and oxygen makes up the most mass of plants? A) nitrogen ... (Read 88 times)

go.lag · **on:** Aug 27, 2018

Which element besides carbon, hydrogen and oxygen makes up the most mass of plants?

A) nitrogen
B) helium
C) molybdenum
D) iron
E) phosphorus

Question 2

Cellulose and starch are similar to each other in that they both

A) are made of a patchwork of crisscrossing long chains.
B) are polymers of glucose.
C) are in the formation of alpha helices.
D) contain periodic branching of the polymer chain.