Final Exam 1 Bio 1300 Study Guide
Questions with Actual Solved Solutions
Rated A+(2025-2026) Updated.
True or false: Organism's structure and functions are due to the activities of its cells Organism’s
structure and functions are due to the activities of its cells - Answer True
True/false: Cells come only from preexisting cells. - Answer True
Squamous (cell shapes) - Answer thin and flat; Great for covering large surfaces
Polygonal (cell shapes) - Answer irregularly angular with 4 or more sides
Spheroid (cell shapes) - Answer round
Discoid (cell shapes) - Answer disc-shaped; Stellate
Human cell size - Answer : most from 10 - 15 µm in diameter; egg cells (very large)100 µm
diameter; nerve cell (very long) at 1 meter long
Cell theory - Answer Schleiden & Schwann 1839
Fusiform (cell shapes) - Answer thick in middle, tapered at ends
Fibrous - Answer threadlike
Example of organelles that are not bordered by membrane - Answer ribosome, centrosome,
centriole, basal bodies
Plasma Membrane - Answer - Pair of dark parallel lines around cell
- Defines cell boundaries
- Controls interactions with other cells
, A. phospholipid bilayer
B. glycocalyx
C. peripheral proteins
D. proteoglycans - Answer A
Which type of integral protein allows water and small ions to pass through the cell membrane?
A. receptor proteins
B. carrier proteins
C. channel proteins
D. recognition proteins - Answer C
Cells lining the small intestine have numerous fingerlike projections on their free surface. What
are these structures, and what is their function?
A. microvilli; move substances across cell surface
B. microvilli; increase cell's surface area and absorptive ability
C. cilia; increase cell's surface area and absorptive ability
D. cilia; move substances across cell surface - Answer B. microvilli; increase cell's surface area
and absorptive ability
What is/are the major difference(s) between cytosol and extracellular fluid?
A. Cytosol has a higher concentration of sodium ions.
B. Cytosol has fewer proteins.
C. Cytosol has a higher concentration of potassium ions.
D. All of the above. - Answer C. Cytosol has a higher concentration of potassium ions.
Certain cells in the ovaries and testes contain large amounts of smooth endoplasmic reticulum
(SER). Why?
A. to produce large amounts of proteins
B. to digest materials quickly
C. to store large amounts of hormones
D. to produce large amounts of steroid hormones - Answer D. to produce large amounts of
steroid hormones
Questions with Actual Solved Solutions
Rated A+(2025-2026) Updated.
True or false: Organism's structure and functions are due to the activities of its cells Organism’s
structure and functions are due to the activities of its cells - Answer True
True/false: Cells come only from preexisting cells. - Answer True
Squamous (cell shapes) - Answer thin and flat; Great for covering large surfaces
Polygonal (cell shapes) - Answer irregularly angular with 4 or more sides
Spheroid (cell shapes) - Answer round
Discoid (cell shapes) - Answer disc-shaped; Stellate
Human cell size - Answer : most from 10 - 15 µm in diameter; egg cells (very large)100 µm
diameter; nerve cell (very long) at 1 meter long
Cell theory - Answer Schleiden & Schwann 1839
Fusiform (cell shapes) - Answer thick in middle, tapered at ends
Fibrous - Answer threadlike
Example of organelles that are not bordered by membrane - Answer ribosome, centrosome,
centriole, basal bodies
Plasma Membrane - Answer - Pair of dark parallel lines around cell
- Defines cell boundaries
- Controls interactions with other cells
, A. phospholipid bilayer
B. glycocalyx
C. peripheral proteins
D. proteoglycans - Answer A
Which type of integral protein allows water and small ions to pass through the cell membrane?
A. receptor proteins
B. carrier proteins
C. channel proteins
D. recognition proteins - Answer C
Cells lining the small intestine have numerous fingerlike projections on their free surface. What
are these structures, and what is their function?
A. microvilli; move substances across cell surface
B. microvilli; increase cell's surface area and absorptive ability
C. cilia; increase cell's surface area and absorptive ability
D. cilia; move substances across cell surface - Answer B. microvilli; increase cell's surface area
and absorptive ability
What is/are the major difference(s) between cytosol and extracellular fluid?
A. Cytosol has a higher concentration of sodium ions.
B. Cytosol has fewer proteins.
C. Cytosol has a higher concentration of potassium ions.
D. All of the above. - Answer C. Cytosol has a higher concentration of potassium ions.
Certain cells in the ovaries and testes contain large amounts of smooth endoplasmic reticulum
(SER). Why?
A. to produce large amounts of proteins
B. to digest materials quickly
C. to store large amounts of hormones
D. to produce large amounts of steroid hormones - Answer D. to produce large amounts of
steroid hormones
