BIO 1500 FINAL EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
Blank are compounds that have the same molecular formula but different structures
and therefore different chemical properties - ANSWER-Isomers
Only one of these functional groups contains sulfur - ANSWER-Sulfhydryl
Which of these functional groups is made of a carbon atom double-bonded to an
oxygen atom - ANSWER-Carbonyl
T or F. Living matter consists mainly of C, O, H, and N with smaller amounts of sulfur
and phosphorus - ANSWER-True
T or F. Silicon with its four covalent bonds, is the basic building block in molecular
architecture in living things - ANSWER-False
How are termites able to digest the cellulose in wood? - ANSWER-Bacteria in their
gut actually digest the cellulose
T or F. The function of a protein depends largely on its three-dimensional shape -
ANSWER-True
Match each of the dietary combination of legumes and grains with the appropriate
region.
1. New World
2. Eastern Asia
3. Southern Asia
4. Near East - ANSWER-1. New World: corn and beans
2. Eastern Asia: Soybeans and rice
3. Southern Asia: chickpeas and rice
4. Near East: wheat and peas
Glycerol is a component of which of the following kinds of macromolecules -
ANSWER-fats
Which of these is not a carbohydrate polymer in plants - ANSWER-glycogen
What is the opposite of the dehydration reaction - ANSWER-hydrolysis
Match each type of molecule with the correct description
1. Proteins
2. Nucleic Acid
3. Fats and Lipids
4. Carbohydrates - ANSWER-1. Proteins: composed of amino acids
2. Nucleic Acid: you won't find this category listed on a nutritional label
3. Fats and Lipids: provides about 9 calories of food energy per gram
4. Carbohydrates: provides about 4 calories of food energy per gram.
, Match each type of molecule with the correct description
1. Proteins
2. Nucleic Acid
3. Fats and Lipids
4. Carbohydrates - ANSWER-1. Proteins: composed of amino acids
2. Nucleic Acid: stores genetic information
3. Fats and Lipids: one part of the molecule is hydrophobic
4. Carbohydrates: includes simple sugars and starches
In order to make a 1M solution of a sugar with the formula C6H10O5, how many
grams of sugar would you add to a liter of water? The molecular weight off of C, H,
and O are 12, 1, and 16 respectively - ANSWER-162 grams
In a polymer, the repeated small molecules are called - ANSWER-monomers
Where is the ribosomal RNA produced - ANSWER-nucleoli
Which organelle produces steroid hormones in the testes and adrenal cortex, while
also detoxifying alcohol in the liver - ANSWER-smooth endoplasmic reticulum
Which organelle is responsible for this chemical transformation? energy+ carbon
dioxide+ water----> carbohydrate + oxygen - ANSWER-chloroplast
Which organelle synthesizes proteins for export or repackaging elsewhere? -
ANSWER-rough endoplasmic reticulum
Which organelle contains enzymes that modify proteins and lipids - ANSWER-
lysosomes
Which organelle packages proteins for export elsewhere - ANSWER-Golgi apparatus
Which organelle is responsible for the process of photosynthesis - ANSWER-
chloroplast
Which organelle looks like a stack of hallow pancakes (or pita bread, or naan) -
ANSWER-Golgi apparatus
The polarity of water molecules results in what kind of bonds - ANSWER-hydrogen
bonds
Why does frozen water float - ANSWER-ice is less dense than liquid water
T or F. A region with a Mediterranean Climate gets most of its rainfall in the winter -
ANSWER-True
Which scientist noted that plants can be "distinguished from one another by their
fondness for different kinds of wetness" - ANSWER-Theophrastus
What is Avagadro's number - ANSWER-1 mole or 6.023x10^23
WITH COMPLETE SOLUTIONS
Blank are compounds that have the same molecular formula but different structures
and therefore different chemical properties - ANSWER-Isomers
Only one of these functional groups contains sulfur - ANSWER-Sulfhydryl
Which of these functional groups is made of a carbon atom double-bonded to an
oxygen atom - ANSWER-Carbonyl
T or F. Living matter consists mainly of C, O, H, and N with smaller amounts of sulfur
and phosphorus - ANSWER-True
T or F. Silicon with its four covalent bonds, is the basic building block in molecular
architecture in living things - ANSWER-False
How are termites able to digest the cellulose in wood? - ANSWER-Bacteria in their
gut actually digest the cellulose
T or F. The function of a protein depends largely on its three-dimensional shape -
ANSWER-True
Match each of the dietary combination of legumes and grains with the appropriate
region.
1. New World
2. Eastern Asia
3. Southern Asia
4. Near East - ANSWER-1. New World: corn and beans
2. Eastern Asia: Soybeans and rice
3. Southern Asia: chickpeas and rice
4. Near East: wheat and peas
Glycerol is a component of which of the following kinds of macromolecules -
ANSWER-fats
Which of these is not a carbohydrate polymer in plants - ANSWER-glycogen
What is the opposite of the dehydration reaction - ANSWER-hydrolysis
Match each type of molecule with the correct description
1. Proteins
2. Nucleic Acid
3. Fats and Lipids
4. Carbohydrates - ANSWER-1. Proteins: composed of amino acids
2. Nucleic Acid: you won't find this category listed on a nutritional label
3. Fats and Lipids: provides about 9 calories of food energy per gram
4. Carbohydrates: provides about 4 calories of food energy per gram.
, Match each type of molecule with the correct description
1. Proteins
2. Nucleic Acid
3. Fats and Lipids
4. Carbohydrates - ANSWER-1. Proteins: composed of amino acids
2. Nucleic Acid: stores genetic information
3. Fats and Lipids: one part of the molecule is hydrophobic
4. Carbohydrates: includes simple sugars and starches
In order to make a 1M solution of a sugar with the formula C6H10O5, how many
grams of sugar would you add to a liter of water? The molecular weight off of C, H,
and O are 12, 1, and 16 respectively - ANSWER-162 grams
In a polymer, the repeated small molecules are called - ANSWER-monomers
Where is the ribosomal RNA produced - ANSWER-nucleoli
Which organelle produces steroid hormones in the testes and adrenal cortex, while
also detoxifying alcohol in the liver - ANSWER-smooth endoplasmic reticulum
Which organelle is responsible for this chemical transformation? energy+ carbon
dioxide+ water----> carbohydrate + oxygen - ANSWER-chloroplast
Which organelle synthesizes proteins for export or repackaging elsewhere? -
ANSWER-rough endoplasmic reticulum
Which organelle contains enzymes that modify proteins and lipids - ANSWER-
lysosomes
Which organelle packages proteins for export elsewhere - ANSWER-Golgi apparatus
Which organelle is responsible for the process of photosynthesis - ANSWER-
chloroplast
Which organelle looks like a stack of hallow pancakes (or pita bread, or naan) -
ANSWER-Golgi apparatus
The polarity of water molecules results in what kind of bonds - ANSWER-hydrogen
bonds
Why does frozen water float - ANSWER-ice is less dense than liquid water
T or F. A region with a Mediterranean Climate gets most of its rainfall in the winter -
ANSWER-True
Which scientist noted that plants can be "distinguished from one another by their
fondness for different kinds of wetness" - ANSWER-Theophrastus
What is Avagadro's number - ANSWER-1 mole or 6.023x10^23