Questions and Answers 100% Pass
what is the Cell Theory - ✔✔the cell is the fundamental structural and functional unit
of life
the activity of an organism depends on.... - ✔✔the individual and collective activity of
its cells
the activity of a cell is dictated by - ✔✔subcellular structures
the continuity of life has a - ✔✔cellular basis
i.e. all cells originate from other cells
number of cells in an organism - ✔✔1 to millions depending on size of organism
cells thought of in the same way as - ✔✔a manufacturing plant
basic characteristics of all cells (KNOW) - ✔✔1. plasma membrane
2. semifluid substance called cytosol
3. chromosomes (carry genetic info)
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
,4. ribosomes (make proteins)
what do chromosomes do - ✔✔carry genetic information
what do ribosomes do - ✔✔make proteins
2 types of cells - ✔✔prokaryotic cells
eukaryotic cells
characteristics of prokaryotic cells - ✔✔-no nucleus
-no membrane-bound organelles
-cytoplasm bound by the plasma membrane
where is the DNA in prokaryotic cells - ✔✔unbound region called the nucleoid
examples of prokaryotic cells - ✔✔bacteria
archaea
characteristics of eukaryotic cells - ✔✔- DNA in nucleus that is bounded by a
membraneous nuclear envelope
- membrane-bound organelles
- cytoplasm in the region between the plasma membrane and nucleus
- eukaryotic cells are generally much larger than prokaryotic cells
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
, examples of eukaryotic cells - ✔✔animal cells
plant cells
fungal cells
structures of cell surface - ✔✔plasma membrane
cell wall
cilia & flagella
cell junctions
structure of plasma membrane - ✔✔phospholipid bilayer
transport & receptor proteins
cholesterol (a steroid)
glycolipids (lipids with attached carbohydrates)
function of plasma membrane - ✔✔separates intracellular fluids from extracellular
fluids
control what enters & leaves the cell
communication
cell wall is in - ✔✔plants and fungi
cell wall structure - ✔✔carbohydrate fibers in a carbohydrate or protein matrix
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 3