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Molecular Biology
Quiz 2
Solution
Q.1.
TRNA is
used as a template to make protein
part of a ribosome
a small molecule used by the ribosome and is not made into protein
all of the above
Q.2.
What are the reactants in the equation for cellular respiration?
oxygen and lactic acid
carbon dioxide and water
glucose and oxygen
water and glucose
Q.3.
What controls what goes in and out of the cell?
Nucleus
Cell Membrane
Cell Organelle
Nucleolous
Q.4.
How are plant cells and human cells the same?
They can produce their own oxygen.
They can receive nutrients through the cell wall.
They make their own glucose from sunlight during photosynthesis.
They use mitochondria to release energy from glucose during cellular respiration.
Q.5.
Which best describes how organisms obtain energy from food?
Food (Glucose) reacts with water to release energy during photosynthesis.
Food (Glucose) reacts with oxygen to release energy (ATP) during cellular respiration.
Food (Glucose) reacts with sunlight to release energy during photosynthesis.
Food (Glucose) reacts with carbon dioxide to release energy during cellular respiration.
Q.6.
RRNA is
used as a template to make protein
part of a ribosome
a small molecule used by the ribosome and is not made into protein
all of the above
Q.7.
Which best describes the nutrients that are sources of energy for the body?
fats and proteins
fats and carbohydrates
water and carbohydrates
Calcium and fiber
Q.8.
Proteins are provided by
dried beans, peas, and nuts
milk and eggs
meat, fish, and poultry
All choices are correct
Q.9.
What are three parts of a DNA nucleotide?
Phosphate group
Sugar
Nitrogenous base
All of above
Q.10.
What enzyme is responsible for transcription?
DNA polymerase
RNA polymerase
ribosomes
nucleolus in the nucleus
Q.11.
Where does transcription take place in a cell?
always in the nucleus
always in the cytoplasm
in the nucleus in eukaryotes and the cytoplasm in prokaryotes
in the cytoplasm in eukaryotes and the nucleus in prokaryotes
Q.12.
What are the 2 functions of DNA polymerase?
makes DNA and RNA
makes DNA and protein
makes DNA and fixes its mistakes
makes RNA and protein
Q.13.
What are three types of mutagens
Radiation
Chemicals
Infectious agents
All of above
Q.14.
What are three types of point mutations
Silent
Missense
Nonsense
All of above
Q.15.
Where in the cell does DNA replication occur?
always the cytoplasm
always the nucleus
in the cytoplasm in eukaryotes and the nucleus in prokaryotes
in the cytoplasm in prokaryotes and the nucleus in eukaryotes
Q.16.
What is the molecule called that mitochondria produce when they respire glucose?
ATP
ADP
DNA
80p
Q.17.
Where does cellular respiration take place in the cell?
Cell Membrane
Nucleus
Mitochondria
Vacuole
Q.18.
What is the energy source for cellular respiration?
Solar Energy
Glucose
Chemical Energy
Both A & B
Q.19.
What is the chemical formula for cellular respiration?
C6H12O6 + 6H2O --> 6CO2 + 6O2 + Sun Light
C6H12O6 + 6O2 --> 6CO2 + 6H2O +ATP
6CO2 + 6O2 + Sun Light --> C6H12O6 + 6H2O
6CO2 + 6H2O + Sun Light --> C6H12O6 + 6O2 + ATP
Q.20.
What are the three macromolecules?
Proteins, Lipids, and Fats
Lipids, Proteins, and Carbohydrates
Glucose, Carbohydrates, and Lipids
Amino Acids, Glucose, Lipids
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