most chemical reactions cannot occur without:
water
Where is RNA found
cytoplasm and nucleus
protein molecules are made up of smaller molecules called:
amino acids
the diffusion of water through a membrane is called:
osmosis
Name an autotroph:
sunflower - grass - oak tree
compounds that contain carbon are known as:
organic compounds
where is DNA found?
a membrane that allows some materials to pass through while others cannot:
selectively permeable
molecules moving from an area of higher concentration to a lower concentration
diffusion
studying organisms is made easier by __________ information:
classifying
two foods that contain starch
potatoes, pasta, bread
what is produced during the food making process in cells:
sugars
Prokaryotes do not have a:
nucleus
all organisms _____________ to their environment
respond
without this tool cells would not have been discovered:
microscope
any substance that cannot be broken down into simpler substances:
element
carbohydrates make up the:
cell membrane and cell wall
the powerhouse of the cell:
mitochondria
when two identical tests are conducted except for one factor it is known as:
controlled experiment
what is the study of living things:
life science
fats, oils, and waxes are all:
lipids
when cells use energy to make food it is known as:
photosynthesis
a single celled organism is known as:
unicellular
Name a heterotroph
Human - Dog - Cow
a way of learning about the natural world:
science