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WorksheetsChapter 2 Lesson 1
Total questions: 15
Worksheet time: 8mins
Which substances are macromolecules?
sugars
proteins
nucleotides
Which substance is most common in cells?
fat
water
amino acid
Which substance is a lipid?
RNA
sugar
cholesterol
What does the cell theory state?
that cells come from other cells
that cells come only from animals
that cells cannot be created or destroyed
Which are made of amino acids?
carbohydrates
nucleic acids
proteins
Which are made of sugars?
carbohydrates
nucleic acids
proteins
Which are made of nucleotides?
carbohydrates
nucleic acids
proteins
The smallest unit of life is ____
a protist
an atom
bacteria
a cell
Who concluded that all plants are made of living cells?
Virchow
Hooke
Schwann
Schleiden
The scientist who first described living cells as seen through a simple microscope was
van Leeuwenhoek
Schleiden
Hooke
Schwann
All of the following are principles of the cell theory EXCEPT _____.
all living things are made of one or more cells
all cells come from pre-existing cells
water is the main ingredient in every cell
the cell is the smallest unit of life
