plant cells
What makes the plant green?
The pigment chlorophyll, located in the cell's chloroplasts absorbs colors but reflects green
What does the cell membrane do?
Acts as a barrier to control what substances enter and exit the cell
What produces enrgy for the cells?
Mitochandria
Where do all cells come from?
Pre-existing cells
What produces chlorophill?
Chloroplast
What does the cell wall do?
Provides structural support, maintains shape and protects the cell from damage.
What does the cytoplasm do?
Acts as a jelly-like substance to hold the interior of the cell together
What does the endoplasmic reticulum do?
Works as packaging system to ship out molecules
Who first discovered cells?
Robert Hooke
What do plant cells need for photosynthesis?
What type of gas do plant cells take in?
CO2 (carbon dioxide).
How many cells are in the human body?
30 to 40 trillion
What do ribosomes do?
Produce proteins
True of false: cells are considered the basic unit of life
True
What is photosynthesis?
The process of plants creating their own food
What do vacuoles do?
Vacuoles hold in waste that cells create
True or false: Animal cells do not have a cell wall
True
Which cells lack a nucleus?
Prokaryotic cells
Who was the first to observe cells?
Antonie van Leeuwenhoek
Why do plants need photosynthesis?
What keeps the cell together?
Cytoplasm
What do animals breath in?
Oxygen
What does the nucleoid produce?
Ribosomes
What two people co-discovered cells alongside Robert Hooke?
Matthias Schleiden and Theodor Schwann
What is cell respiration?
The process cells use to convert glucose and oxygen into usable energy, or ATP