BIO 201 FINAL EXAM AND STUDY GUIDE NEWEST
2026 TEST BANK| COMPLETE 550 REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| BIO 201 FINAL EXAM PREP
(MOST RECENT!!)
What distinguishes an isotope from the elemental form?
1. Different number of neutrons.
2. Different radiation levels.
3. Different atomic weights.
4. Different number of electrons. – Correct Answer - 1
Which of the following lists describes the three types of chemical
reactions?
1. dormant, active, and aggressive.
2. synthesis, decomposition, and exchange
3. potential, kinetic, and static
4. slow, medium, and fast.
5. external, internal, and holistic. – Correct Answer - 2
Which of the following elements is present in all proteins?
1. Lithium
2. sodium
3. nitrogen
4. iron – Correct Answer - 3
pg. 1
,What are the components of cellular membranes?
1. water and salts
2. oxygen, iron, and carbon
3. phospholipids, cholesterol, and proteins
4. bases, acids, and water
5. organic and inorganic compounds – Correct Answer - 3
What is the function of the membrane's lipid bilayer structure?
1. To support the follow of blood.
2. To stimulate the production of lipids.
3. To control the intake of water to ensure homeostasis.
4. To control the movement of all polar, charged, or large molecules
across the membrane.
5. To control the movement of all fluids in the body. – Correct Answer -
4
The four types of nitrogenous bases in DNA are represented by which
four letters?
1. C, G, T, and B
2. B, T, C, and G
3. A, B, C, and D
4. A, X, C, and G
5. A, T, C, and G – Correct Answer - 5
What is the process of synthesizing a chain of amino acids called?
pg. 2
,1. DNA Synthesis
2. translation
3. genome synthesis
4. transcription
5. RNA Synthesis – Correct Answer - 2
What are the three general phases of the cell cycle?
1. birth, development, and death
2. early, mature, and replacement
3. evolution, reproduction, and extinction
4. interphase, mitosis, and cytokinesis
5. initiation, elongation, and termination – Correct Answer - 4
What are the three basic types of cell-to-cell connections?
1. tight, loose, and weak
2. tight, gap, and weak
3. strong junctions, weak junctions, and gap junctions
4. tight junctions, desmosomes, and gap junctions
5. weak, strong, and variable – Correct Answer - 4
What are specialized cell junctions that allow electrical and metabolic
coupling between adjacent cells?
1. fluid-like junctions
2. desmosomes
3. gap junctions
pg. 3
, 4. tight junctions
5. electro-metabolic junctions – Correct Answer - 3
What is the main function of epithelial tissue?
1. Water homeostasis in the surrounding tissues.
2. Transfer of information from the brain to the spinal cord.
3. Connection among multiple organs.
4. Protection, a tissue barrier.
5. Production of enzymes. – Correct Answer - 4
What important structural and functional features do all epithelia share?
1. Very elastic and never replaced.
2. Loosely packed cells with small blood vessels
3. Watery substance with limited structural support.
4. Very viscous with a lot of extracellular material present.
5. Highly cellular, with little or no extracellular material present between
cells. – Correct Answer - 5
What are two characteristics of epithelial cell classification?
1. shape and number of cell layers
2. size and number of cells
3. cellular composition and location
4. location and function
5. cell shape and size – Correct Answer - 1
pg. 4
2026 TEST BANK| COMPLETE 550 REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| BIO 201 FINAL EXAM PREP
(MOST RECENT!!)
What distinguishes an isotope from the elemental form?
1. Different number of neutrons.
2. Different radiation levels.
3. Different atomic weights.
4. Different number of electrons. – Correct Answer - 1
Which of the following lists describes the three types of chemical
reactions?
1. dormant, active, and aggressive.
2. synthesis, decomposition, and exchange
3. potential, kinetic, and static
4. slow, medium, and fast.
5. external, internal, and holistic. – Correct Answer - 2
Which of the following elements is present in all proteins?
1. Lithium
2. sodium
3. nitrogen
4. iron – Correct Answer - 3
pg. 1
,What are the components of cellular membranes?
1. water and salts
2. oxygen, iron, and carbon
3. phospholipids, cholesterol, and proteins
4. bases, acids, and water
5. organic and inorganic compounds – Correct Answer - 3
What is the function of the membrane's lipid bilayer structure?
1. To support the follow of blood.
2. To stimulate the production of lipids.
3. To control the intake of water to ensure homeostasis.
4. To control the movement of all polar, charged, or large molecules
across the membrane.
5. To control the movement of all fluids in the body. – Correct Answer -
4
The four types of nitrogenous bases in DNA are represented by which
four letters?
1. C, G, T, and B
2. B, T, C, and G
3. A, B, C, and D
4. A, X, C, and G
5. A, T, C, and G – Correct Answer - 5
What is the process of synthesizing a chain of amino acids called?
pg. 2
,1. DNA Synthesis
2. translation
3. genome synthesis
4. transcription
5. RNA Synthesis – Correct Answer - 2
What are the three general phases of the cell cycle?
1. birth, development, and death
2. early, mature, and replacement
3. evolution, reproduction, and extinction
4. interphase, mitosis, and cytokinesis
5. initiation, elongation, and termination – Correct Answer - 4
What are the three basic types of cell-to-cell connections?
1. tight, loose, and weak
2. tight, gap, and weak
3. strong junctions, weak junctions, and gap junctions
4. tight junctions, desmosomes, and gap junctions
5. weak, strong, and variable – Correct Answer - 4
What are specialized cell junctions that allow electrical and metabolic
coupling between adjacent cells?
1. fluid-like junctions
2. desmosomes
3. gap junctions
pg. 3
, 4. tight junctions
5. electro-metabolic junctions – Correct Answer - 3
What is the main function of epithelial tissue?
1. Water homeostasis in the surrounding tissues.
2. Transfer of information from the brain to the spinal cord.
3. Connection among multiple organs.
4. Protection, a tissue barrier.
5. Production of enzymes. – Correct Answer - 4
What important structural and functional features do all epithelia share?
1. Very elastic and never replaced.
2. Loosely packed cells with small blood vessels
3. Watery substance with limited structural support.
4. Very viscous with a lot of extracellular material present.
5. Highly cellular, with little or no extracellular material present between
cells. – Correct Answer - 5
What are two characteristics of epithelial cell classification?
1. shape and number of cell layers
2. size and number of cells
3. cellular composition and location
4. location and function
5. cell shape and size – Correct Answer - 1
pg. 4
