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Biochemistry Review.

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Presentation on theme: "Biochemistry Review."— Presentation transcript:

1 Biochemistry Review

2 What occurs when a peptide bond forms between two amino acids?
Oxygen is released. Water is released. Oxygen is added. Water is added. Answer: B

3 What does DNA stand for? Answer: Deoxyribonucleic acid

4 This element is capable of forming long chains almost limitless in length.
Nitrogen Oxygen Phosphorus Carbon Answer: D

5 A carbon based compounds are known as:
Inorganic compounds Organic Compounds Substrates Enzymes Answer: B

6 Fertilizers containing radioactive nitrogen compounds are used in growing experimental plants. In which molecules would these compounds be detected first? Sugar Starch Proteins Fats Answer: C

7 One of the carbon compounds found in a cell has twice as many hydrogen atoms as oxygen atoms. This compound most likely belongs to the group of substances known as: Nucleic Acids Lipids Proteins Carbohydrates Answer: D

8 The compound represented by this structural formula is a(n):
Amino Acid Lipid Fatty Acid Monosaccharide Answer: D

9 Which are the four most abundant elements in living cells?
Carbon, oxygen, nitrogen, sulfur Carbon, oxygen, hydrogen, nitrogen Carbon, oxygen, sulfur, phosphorus Carbon, sulfur, hydrogen, magnesium Answer: B

10 Starches & sugars are examples of what?
Answer: Carbohydrates

11 Names of sugars usually end in:
Ose Ase Named after the reaction they catalyze Acid Answer: A

12 The smallest units of sugars are called:
Amino acids Monosaccharide Starches Polypeptides Answer: B

13 This type of compound has a hydrogen to oxygen ration much greater than 2:1.
Carbohydrate Lipid Protein Nucleic Acid Answer: B

14 What is a polymer? What the enzyme and substrate form. The reaction that creates disaccharides. A type of protein. Long chain of repeating units. Answer: D

15 Steriods, which are chemical messengers are what type of organic compound?
Carbohydrate Lipid Protein Nucleic Acid Answer: B

16 Which of the following is not part of a nucleotide?
Phosphate group Nitrogenous base Polypeptide bond 5 Carbon sugar Answer: C

17 One gram of fat stores how much more energy than one gram of carbohydrates?
10x 100x 2x 4x Answer: C

18 When one of the fatty acids contain one double it is considered:
Saturated Unsaturated Polyunsaturated Amino Acid Answer: B

19 When monomers join together, what do they form?
Amino acids Polymers DNA Enzymes Answer: B

20 This molecule combines with 3 fatty acids to make a lipid:
Amino Acid Nucleotide Glycogen Glycerol Answer: D

21 The location where the substrate binds to an enzyme is known as:
Active site Chemical reaction Nucleotide Dehydration synthesis Answer: A

22 Proteins contain this element in addition to carbon, hydrogen, and oxygen.
Phosphorus Sodium Nitrogen Helium Answer: C

23 Living things use this as their main source of energy:
Lipids Carbohydrates Nucleic Acids Proteins Answer: B

24 Give one example of a monosaccharide:
Answer: glucose, galactose, fructose

25 What does a catalyst do? Forms long chains of molecules. Speeds up a chemical reaction. Breaks down molecules into smaller pieces. Makes amino acids. Answer: B

26 What is the reaction that helps make long chains of compounds?
Dehydration synthesis Enzyme substrate complex Hydrolysis Catalyst Answer: A

27 Proteins are composed of smaller units known as:
Nucleotides Amino acids Enzymes Monosaccharides Answer: B

28 How many amino acids do living organisms use to synthesize their proteins?
12 2 10 20 Answer: D

29 Which of the following is an example of a monosaccharide?
Maltose Valine DNA Glucose Answer: D

30 What binds to an enzyme? Lipid Protein Substrate Sugar Answer: C

31 List the three different types of lipids.
Answer: Fats, oils, waxes.

32 What is this? What molecule is the arrow pointing to? Answer: Cell Membrane, Lipid

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