Module 1.1

Which type of bond is produced when two atoms share electrons with each other?

Endosymbiotic theory explains the origin of which group?

Who proposed the first scientific hypothesis for the origin of life on Earth?

What are carbohydrate monomers?

Which class of biological molecules does not contain polymers?

What is the property of water that causes water molecules to stick to other water molecules?

Which type of chemical reaction requires activation energy?

Which part of an amino acid varies from one amino acid to another?

Which type of bond connects the hydrogen and oxygen atoms in a water molecule?

Diatomic oxygen (O₂) is a(n) _____.

Which type of bond causes the cohesion of water molecules?

What are peptide bonds?

What are the monomers of proteins?

What are different versions of an element that differ in the number of neutrons?

Which chemical reactions occur during polymerization?

Which subatomic particles are negatively charged?

The energy needed to start a chemical reaction is called the _____ energy.

In which type of chemical reaction is the energy level of the products greater than the reactants?

Which of the following is not a family group of lipids?

What is the smallest unit of matter that has the properties of a particular element?