Cell Theory
all cells come from ______
pre-existing cells
Which of the following is a characteristic of prokaryotic cells?
A. Membrane-bound organelles
B. Nucleus
C. No Nucleus
D. Large and complex structure
C. No Nucleus
Which structure is only found in eukaryotic cells?
A. Ribosomes
B. Cell wall
C. Nucleus
D. Cytoplasm
C. Nucleus
Structure and function
Which of the following is not part of the cell theory?
A) All cells come from pre-existing cells
B) Cells can appear from nonliving material
C) All living things are made of cells
D) The cell is the basic unit of life
B) Cells can appear from nonliving material
What is the difference between unicellular and multicellular organisms?
Unicellular: One cell
Multicellular: Multiple cells
Which of these cell types is larger and more complex?
A. Prokaryotic
B. Eukaryotic
C. Both are the same size
D. Neither
B. Eukaryotic
Who looked at a piece of cork under a microscope and named the specimens "cells"
Hooke
They looked at plant and animal cells, found that all living things have cells.
What is an example of an autotroph and how does it get its energy?
Any plant - It gets its energy by creating its own food.
Which of the following is an example of a multicellular organism?
A. Bacterium
B. Euglena
C. Human
D. Amoeba
C. Human
What is an example of a unicellular organism?
Bacteria
What invention helped us see cells?
A Microscope
What is an example of a heterotroph and how does it get its energy?
An animal - It gets its energy by eating something.
Which of the following can be either unicellular or multicellular?
A. Prokaryotic Cells
B. Eukaryotic Cells
C. Both Cells
B. Eukaryotic Cells
In multicellular organisms, cell specialization means:
A. All cells look identical
B. Each cell type performs the same task
C. Cells have specific functions that support the whole organism
D. Cells can function independently
C. Cells have specific functions that support the whole organism
Who stated that all plants are made of cells?
A. Schleiden
B. Schwann
C. Virchow
D. Pasteur
A. Schleiden
What is an example of a eukaryotic, multicellular organism?
Any animal or plant
Which of the following is a heterotroph?
A. Algae
B. Tree
C. Cow
D. Cyanobacteria
C. Cow
What do plants and animals have in common at the cellular level?
A. Both are autotrophic
B. Both have cell walls made of cellulose
C. Both are eukaryotes
D. Both lack a nucleus
Both are eukaryotes