1
What type of compounds usually contain carbon?
organic compounds
What elements make up a water molecule
Hydrogen and oxygen
What structure(s) do plant cells have that animal cells do not?
Cell wall and chloroplasts
What is an autotroph
What pigment is primarily responsible for absorbing light in plants?
Chlorophyll
Name the four types of organic compounds
Carbs, proteins, lipids, and nucleic acids
How many hydrogen atoms are in one water molecule
2
What is the function of the cell wall
Provides structure and protection (acts as a barrier)
What is a heterotroph
Organism that has to eat its food
What color of light does chlorophyll mostly reflect?
green
What are the compounds that do not contain carbon called?
Inorganic compounds
about 2/3
True or false: some specialized animal cells have a cell wall
false
In the food chain (grass → zebra → lion), where does the original energy come from?
SUN (God before that lol)
Where in the cell does photosynthesis take place?
chloroplast
Give 2 examples of inorganic compound
Water and Salt (NaCl)
Why is water important for cells?
Most chemical reactions are required for it (donates electrons or receives them)
What is photosynthesis
The process by which cells use sunlight to make food
What is the main energy source for cells?
ATP
What are the reactants and products of photosynthesis?
Reactants: carbon dioxide and water
Products: oxygen and sugars
Which is an organic compound
a) Water
b) Protein
c) Sodium chloride
d) Oxygen
B. protein
True or False: Most chemical reactions in cells can occur without water.
What does the word "photo" mean
light
What does the word "synthesis" mean
putting together or to make
What does ATP stand for?
Adenosine triphosphate