Download Chapter 2 Review Sheet Name:_______________________

Chapter 2 Review Sheet
Name:_______________________
1. DNA and RNA are examples of ___nucleic acids______________.
2. Carbohydrates and lipids both contain the elements ____carbon__________,
__hydrogen__________, and ________oxygen_________.
3. Proteins are made of ___amino acids________________
4. __ nucleic acids____________ are made of nucleotides.
5. Examples of lipids include _____fats/oils, waxes, hormones (steroids), phospholipids
(cell membrane).
6. Sugars and starches are examples of ____carbohydrates_________________.
7. Muscle, skin, and enzymes are examples of ___proteins___________.
8. Nucleic acids are important because they contain your __genetic
information__________.
9. ___Proteins______________ build living tissue and help in chemical reactions.
10. _____Lipids___________ are a source of long-term stored energy.
11. Organic molecules that have the same chemical formula but different structural
arrangements are called __isomers_________.
12. Carbohydrates are important because they __are the main source of energy for living
things.
13. Meat, eggs, soy, and beans contain _proteins________.
14. Fruits, vegetables, cereal, and pasta contain _carbohydrates______________.
15. Lipids could be found in these foods: ___meat, vegetables (v. oil), grains (corn oil),
dairy_______.
16. Amino acids are linked by __peptide bonds___________.
17. The __”R”______ group attached to an amino acid determines what kind of amino
acid is present of the 20.
18. __Amino_____ and ______carboxyl__ functional groups are contained within an
amino acid.
19. Proteins will not function properly if they have the wrong __shape__________.
20. An ___enzyme__________ is made of proteins and catalyzes reactions
21. Monomers are linked together by the process of _____polymerization/dehydration
synthesis____.
22. Polymers are broken apart by the process of ___hydrolysis________________.
23. The monomer of a nucleic acid is called a
____nucleotide_______________________.
24. The three parts that make up a nucleotide include _____phosphate group_________,
_______5 carbon sugar____________ and ____nitrogenous base__________.
25. Carbon can bond with so many other things because it has ____4____ valence
electrons.
Review Part 1: BRAINSTORMING
Without using your notes write anything you can remember about the following topics /
words. Try to get three things down for each topic. List Monomers/Atoms/uses/examples
Carbohydrates –
Proteins –
Lipids –
Nucleic Acids –
Chapter 2 Review Sheet: Part 2
Directions: Use the words in the word bank to complete the following statements.
Nucleic acids
carbon
hydrogen
oxygen
Fats/oils/waxes
nucleic acids
amino acids
carbohydrate
1.
DNA and RNA are examples of _ Nucleic Acids________________.
2.
Carbohydrates and lipids both contain the elements ___Carbon______________,
____Hydrogen____________, and _____Oxygen____. (use three words from the
word bank)
3.
Proteins are made of ____amino acids_________
4.
___Nucleic Acids___________________ are made of nucleotides.
5.
Examples of lipids include ______Fats/oils/waxes________________________
6.
Sugars and starches are examples of _______Carbohydrates____________.
Use the following words to complete questions 7 – 13
Proteins
genetic information
Isomers
carbohydrates
Proteins
Meat and eggs
Lipids
Cereal and Pasta
7.
Muscle, skin, and enzymes are examples of ____Proteins____________________.
8.
Nucleic acids are important because they contain your ____genetic information____.
9.
___Proteins____________ build living tissue and help in chemical reactions.
10.
__Lipids___________________ are a source of long-term stored energy.
11.
__Carbohydrates__________are important because they are the main source of
energy for living things.
12.
_____Meat and eggs______ are important because they contain protein.
13.
_____Cereal and Pasta________ are important because they contain carbohydrates.
Use the following words to label the diagram of a nucleotide pictured below: Five
carbon sugar, phosphate group, nitrogenous base.
Phosphate
Nitrogenous Base
5-carbon Sugar
Label the three diagrams below using the following terms: Monosaccharide,
Disaccharide, polysaccharide
Monosaccharide
Disaccharide
polysaccharide (cellulose)
Amino Acid
Saturated fatty acid
Fat (triglyceride)
Unsaturated fatty acid
Polyunsaturated fatty acid
Nucleotide