General
Are all living things made of cells?
Yes
What does unicellular mean?
Made of only one cell.
What is the name of the thin layer that surrounds all cells and controls what goes in and out?
Cell membrane
Are prokaryotic or eukaryotic cells more complex?
Eukaryotic
True or false: animal cells have one large vacuole for storing nutrients, water, or waste.
False - animal cells have several small vacuoles.
What are the smallest independent units of life?
Cells
what does multicellular mean?
Made of more than one cell.
What is the jelly-like substance that fills a cell?
Cytoplasm
True or false: prokaryotes have membrane-bound organelles
True or false: Plant cells have one large vacuole to store water and push against the cells wall to help keep the plant rigid/strong
True
What are the structures within cells called?
Organelles
Give one example of a unicellular organism
Bacteria
Which organelle uses the instructions from DNA to build proteins
Ribosomes
In eukaryotes, where is the genetic material stored and what shape are the chromosomes?
Nucleus, linear chromosomes
Name the three things that plant cells have and animal cells don’t
cell walls, chloroplasts, one large vacuole
Pre-existing cells
Give 3 examples of a multicellular organism.
Humans, trees, dogs, mushrooms etc
Which organelle turns food and other substances into energy for the cell to use?
Mitochondria
How and where is DNA stored in prokaryotes?
Circular chromosomes in the centre of the cell (not in a nucleus)
Explain why plant cells need both chloroplasts and mitochondira. Clearly state how these two organelles are different.
Chloroplasts allow the plant to make its own food using sunlight energy
Mitochondria then convert that food into energy for use by the cell
List all 3 parts of cell theory:
1.All organisms are composed of one or more cells.
2.Cells are the smallest working units of all living things.
3.New cells are created from existing cells.
How do you calculate the total magnification of a microscope?
Objective lens magnification X ocular lens magnification
Which organelle is found only in plant cells and uses sunlight and other substances to make food via photosynthesis?
Chloroplast
True or false: eukaryotic cells can be unicellular and multicellular
True
What is the pigment inside chloroplasts called that captures sunlight?
Chlorophyll