🧪 BIOD 101 – Module 1 to 6 FINAL EXAM REVIEW 2025
WITH FREQUENTLY TESTED QUESTIONS AND 100%
VERIFIED ANSWERS ( TEST BANK)
🧬 BIOD 101 – Module 1: The Study of Life
1. Which of the following best describes an ionic bond?
A) Electrons are shared between atoms
B) Electrons are transferred between atoms
C) Atoms share protons
D) Neutrons are attracted to electrons
Answer: B
Explanation: Ionic bonds form through the transfer of electrons between oppositely charged
ions.
2. What is the primary function of carbohydrates in the body?
A) Genetic storage
B) Enzyme regulation
C) Energy source
D) Structural support
Answer: C
Explanation: Carbohydrates serve as the primary fuel for metabolic energy.
3. Which macromolecule is composed of monomers called amino acids?
A) Carbohydrates
B) Lipids
C) Nucleic acids
D) Proteins
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, Answer: D
Explanation: Proteins are built from chains of amino acids linked by peptide bonds.
4. Which of the following is true about phospholipids?
A) They are water-soluble
B) They form peptide bonds
C) They have hydrophobic heads and hydrophilic tails
D) They form the structural foundation of cell membranes
Answer: D
Explanation: Phospholipids form the bilayer structure of cell membranes with hydrophilic
heads and hydrophobic tails.
5. Which of the following is NOT a function of proteins?
A) Catalyzing reactions
B) Genetic information storage
C) Hormone regulation
D) Structural support
Answer: B
Explanation: Genetic information is stored in DNA and RNA, not proteins.
6. DNA differs from RNA in that DNA:
A) Contains uracil instead of thymine
B) Is single-stranded
C) Has deoxyribose sugar
D) Cannot carry genetic information
Answer: C
Explanation: DNA contains deoxyribose, while RNA contains ribose.
7. What type of bond holds water molecules together?
A) Covalent
B) Ionic
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,C) Hydrogen
D) Peptide
Answer: C
Explanation: Hydrogen bonds are weak attractions between water molecules.
8. Which cellular organelle acts as the "distribution center"?
A) Ribosome
B) Mitochondria
C) Golgi apparatus
D) Lysosome
Answer: C
Explanation: The Golgi apparatus packages and distributes proteins and lipids.
9. Which organelle is responsible for energy (ATP) production?
A) Nucleus
B) Ribosome
C) Lysosome
D) Mitochondria
Answer: D
Explanation: Mitochondria are the sites of cellular respiration and ATP production.
10. Which structure is not found in prokaryotic cells?
A) Cell wall
B) Plasma membrane
C) Nucleus
D) Ribosome
Answer: C
Explanation: Prokaryotes lack a true nucleus.
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, 11. Which cytoskeletal component is involved in muscle contraction?
A) Intermediate filaments
B) Microtubules
C) Microfilaments
D) Ribosomes
Answer: C
Explanation: Microfilaments, especially actin and myosin, assist in muscle contraction.
12. Which organelle contains digestive enzymes for breaking down waste?
A) Golgi apparatus
B) Lysosome
C) Nucleolus
D) Peroxisome
Answer: B
Explanation: Lysosomes digest cellular debris and waste.
13. What structure allows cells to communicate through small channels?
A) Desmosomes
B) Gap junctions
C) Tight junctions
D) Microfilaments
Answer: B
Explanation: Gap junctions allow ion and molecule exchange between adjacent cells.
14. Which protein type is fully embedded in the membrane?
A) Peripheral protein
B) Glycoprotein
C) Enzyme
D) Integral protein
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WITH FREQUENTLY TESTED QUESTIONS AND 100%
VERIFIED ANSWERS ( TEST BANK)
🧬 BIOD 101 – Module 1: The Study of Life
1. Which of the following best describes an ionic bond?
A) Electrons are shared between atoms
B) Electrons are transferred between atoms
C) Atoms share protons
D) Neutrons are attracted to electrons
Answer: B
Explanation: Ionic bonds form through the transfer of electrons between oppositely charged
ions.
2. What is the primary function of carbohydrates in the body?
A) Genetic storage
B) Enzyme regulation
C) Energy source
D) Structural support
Answer: C
Explanation: Carbohydrates serve as the primary fuel for metabolic energy.
3. Which macromolecule is composed of monomers called amino acids?
A) Carbohydrates
B) Lipids
C) Nucleic acids
D) Proteins
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, Answer: D
Explanation: Proteins are built from chains of amino acids linked by peptide bonds.
4. Which of the following is true about phospholipids?
A) They are water-soluble
B) They form peptide bonds
C) They have hydrophobic heads and hydrophilic tails
D) They form the structural foundation of cell membranes
Answer: D
Explanation: Phospholipids form the bilayer structure of cell membranes with hydrophilic
heads and hydrophobic tails.
5. Which of the following is NOT a function of proteins?
A) Catalyzing reactions
B) Genetic information storage
C) Hormone regulation
D) Structural support
Answer: B
Explanation: Genetic information is stored in DNA and RNA, not proteins.
6. DNA differs from RNA in that DNA:
A) Contains uracil instead of thymine
B) Is single-stranded
C) Has deoxyribose sugar
D) Cannot carry genetic information
Answer: C
Explanation: DNA contains deoxyribose, while RNA contains ribose.
7. What type of bond holds water molecules together?
A) Covalent
B) Ionic
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,C) Hydrogen
D) Peptide
Answer: C
Explanation: Hydrogen bonds are weak attractions between water molecules.
8. Which cellular organelle acts as the "distribution center"?
A) Ribosome
B) Mitochondria
C) Golgi apparatus
D) Lysosome
Answer: C
Explanation: The Golgi apparatus packages and distributes proteins and lipids.
9. Which organelle is responsible for energy (ATP) production?
A) Nucleus
B) Ribosome
C) Lysosome
D) Mitochondria
Answer: D
Explanation: Mitochondria are the sites of cellular respiration and ATP production.
10. Which structure is not found in prokaryotic cells?
A) Cell wall
B) Plasma membrane
C) Nucleus
D) Ribosome
Answer: C
Explanation: Prokaryotes lack a true nucleus.
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, 11. Which cytoskeletal component is involved in muscle contraction?
A) Intermediate filaments
B) Microtubules
C) Microfilaments
D) Ribosomes
Answer: C
Explanation: Microfilaments, especially actin and myosin, assist in muscle contraction.
12. Which organelle contains digestive enzymes for breaking down waste?
A) Golgi apparatus
B) Lysosome
C) Nucleolus
D) Peroxisome
Answer: B
Explanation: Lysosomes digest cellular debris and waste.
13. What structure allows cells to communicate through small channels?
A) Desmosomes
B) Gap junctions
C) Tight junctions
D) Microfilaments
Answer: B
Explanation: Gap junctions allow ion and molecule exchange between adjacent cells.
14. Which protein type is fully embedded in the membrane?
A) Peripheral protein
B) Glycoprotein
C) Enzyme
D) Integral protein
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💬 Your review = my motivation. Thanks again & good luck on your exams!
