What element is the most important building block of biological molecules?
What element is the most important building block of biological molecules?
What element has atoms that can make 4 single, 2 double, 1 triple & 1 single or 2 double & 2 single bonds with other atoms?
Which of the following is an example of a hydrocarbon?
What are hydrocarbons like methane, ethane & propane used for by humans?
Many biological molecules are made of small, simple molecules called

Select all the monosaccharides (more than one answer):
What are the main functions of carbohydrates in living things? (more than one answer)
A ____________________ is a long chain of sugar molecules, chemically linked together.
Select all the polysaccharides (more than one answer may apply):
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Chitin | arrow_right_alt | used in the cell wall of plants to give structural support |
Cellulose | arrow_right_alt | made by plants to store energy |
Starch | arrow_right_alt | made by animal cells to store short term energy |
Glycogen | arrow_right_alt | forms the major component of the exoskeleton of insects |