1. Chemistry and Biology Review

Question 1

Name the organization of living systems from largest to smallest beginning with ecosystem:

Answer 1

• Ecosystem
• Organism
• Organelles
• Macromolecules
• Biomolecules
• Elements
• Subatomic Particles •Elementary Particles

Question 2

After hydrogen and oxygen, what is the most abundant element in living systems?

Answer 2

Carbon

Question 3

List the 3 most abundant elements of living systems in order

Answer 3

1. Hydrogen
2. Oxygen
3. Carbon

Question 4

Which type of biomolecule is an unbranched polymer consisting of amino acids that when folded into its 3-dimensional shape performs much of the catalysis in the cell?
A. lipid
B. carbohydrate
C. nucleic acid 
D. protein

Answer 4

Protein

Question 5

Which type of biomolecule consists of nucleotides that contain the following nitrogenous bases: adenine, cytosine, guanine and thymine?

Answer 5

DNA

Question 6

The transfer of information from DNA to RNA is known as:

Answer 6

Transcription

Question 7

What are the 4 major classes of biomolecules?

Answer 7

1. Protein
2. Nucleic Acids
3. Carbohydrates
4. Lipids

Question 8

Which class of biomolecules includes molecules capable of the following functions: forming barriers that separate the cell from the external environment, cell-to-cell signaling and serving as metabolic fuel? (2)

Answer 8

Lipids

Question 9

Why are membranes so important? What purpose do they serve?

Answer 9

• Separation of cell internal environment from external environment
• Isolation of biochemical functions within the cell

Question 10

Be able to identify organic functional groups

Answer 10

freebee

Question 11

Which types of interactions/bonds typically have the shortest range?

Answer 11

Van der waals

1 Angstrom