MCB 150 FINAL PRACTICE PACK
2026 TESTED QUESTIONS AND
ANSWERS
◉ Who proposed that all cells originate from other cells?
Answer: Virchow
◉ Which of these statements is not a part of the cell theory?
All cells are replaced
All living organisms are composed of one or more cells
new cells come only from pre-existing cells by cell division
cells are the smallest units of life
Answer: all cells are replaced
◉ The field that involves the study of cells and how they interact with
other cells is termed
Answer: cell/cellular biology/physiology
,◉ In terms of cell size, the majority of cells are
Answer: too small to be seen with the unaided eye
◉ Which scientists are credited with the cell theory?
Answer: Schleiden and Schwann
◉ The German botanist who speculated in 1838 that cells are living
entities and that plants are aggregates of cells was
Answer: Schleiden
◉ The interaction of which of the following macromolecules plays an
important role in the formation of living cells?
DNA
Lipids
Carbs
RNA
Proteins
Answer: DNA, RNA, Proteins
,◉ How would early cells benefit from DNA replacing RNA as the
information storage molecule?
Answer: RNA would have more flexibility in its catalytic functions.
Information would be stored in a more stable molecule.
◉ A magnification tool that enables researchers to study the structure
and function of cells is the
Answer: microscope
◉ A photograph taken by means of a microscope is called a(n)
Answer: micrograph
◉ Which macromolecule forms the foundation for the structure and
activities of living cells?
Multiple choice question.
Answer: proteins
◉ What are the three important parameters of microscopy?
Multiple select question.
Answer: resolution, contrast, magnification
◉ The different chemical properties of amino acids have given proteins
______ catalytic ability than RNA molecules.
, Answer: greater
◉ The ability to observe two adjacent objects as distinct from one
another, a measure of clarity, is called
Answer: resolution
◉ Which of these is an optical instrument that allows researchers to
view and study very small objects, such as cellular structures?
Multiple choice question.
Answer: microscope
◉ Which of these refers to the ability to visualize a particular cell
structure and may involve staining?
Answer: contrast
◉ What parameter of an optical instrument refers to its ability to make
small objects appear larger?
Answer: magnification
◉ The resolution of this microscope is better than a light microscope:
Answer: electron microscrope
◉ The ability to visualize a particular cell structure based on how
different it looks from an adjacent structure is called
2026 TESTED QUESTIONS AND
ANSWERS
◉ Who proposed that all cells originate from other cells?
Answer: Virchow
◉ Which of these statements is not a part of the cell theory?
All cells are replaced
All living organisms are composed of one or more cells
new cells come only from pre-existing cells by cell division
cells are the smallest units of life
Answer: all cells are replaced
◉ The field that involves the study of cells and how they interact with
other cells is termed
Answer: cell/cellular biology/physiology
,◉ In terms of cell size, the majority of cells are
Answer: too small to be seen with the unaided eye
◉ Which scientists are credited with the cell theory?
Answer: Schleiden and Schwann
◉ The German botanist who speculated in 1838 that cells are living
entities and that plants are aggregates of cells was
Answer: Schleiden
◉ The interaction of which of the following macromolecules plays an
important role in the formation of living cells?
DNA
Lipids
Carbs
RNA
Proteins
Answer: DNA, RNA, Proteins
,◉ How would early cells benefit from DNA replacing RNA as the
information storage molecule?
Answer: RNA would have more flexibility in its catalytic functions.
Information would be stored in a more stable molecule.
◉ A magnification tool that enables researchers to study the structure
and function of cells is the
Answer: microscope
◉ A photograph taken by means of a microscope is called a(n)
Answer: micrograph
◉ Which macromolecule forms the foundation for the structure and
activities of living cells?
Multiple choice question.
Answer: proteins
◉ What are the three important parameters of microscopy?
Multiple select question.
Answer: resolution, contrast, magnification
◉ The different chemical properties of amino acids have given proteins
______ catalytic ability than RNA molecules.
, Answer: greater
◉ The ability to observe two adjacent objects as distinct from one
another, a measure of clarity, is called
Answer: resolution
◉ Which of these is an optical instrument that allows researchers to
view and study very small objects, such as cellular structures?
Multiple choice question.
Answer: microscope
◉ Which of these refers to the ability to visualize a particular cell
structure and may involve staining?
Answer: contrast
◉ What parameter of an optical instrument refers to its ability to make
small objects appear larger?
Answer: magnification
◉ The resolution of this microscope is better than a light microscope:
Answer: electron microscrope
◉ The ability to visualize a particular cell structure based on how
different it looks from an adjacent structure is called