what are the steps of the scientific method
1. make an observation
2. ask a question
3. form a hypotheses
4. form a controlled experiment
5. collect data
6. analyze data
7. draw a conclusion
8. repeat
how do you calculate the total magnification of a microscope
Eye-piece magnification x Lens Magnification
what are the 3 main components of cell theory
the cell is the smallest unit
all living things are made up of at least one cell
living cells always come from other living cells
what are the differences between prokaryotes and eukaryotes
prokaryotes don't have organelles and eukaryotes do
what is the difference between an autotroph, heterotroph, and decomposer
autotroph: makes its own food
heterotroph: depends on autotroph for food
decomposer: decomposes dead animals
what is the difference between dependent and independent variable
independent(what is being manipulated)
dependent (what is changed by the independent variable)
what is the monomer unit of proteins,carbohydrates, nucleic acids, and lipids
proteins: amino acids
carbohydrates: monosachrides
nucleic acids: nucleotide
lipids: fatty acids
what is gene expression
when genetic information is decoded
what advantage do eukaryotic cells have from possessing organelles
preform more functions than prokaryotes
what is cellular respiration and where does it take place
breaking down glucose to make ATP and it takes place in the mitochondria
what structures do plant cells have that animals do not
a cell wall, a central vacuole, and chloroplast
be able to describe the flow energy for photosynthesis
Sunlight
chemical energy
glucose
what is the fluid mosaic model
the plasma membrane is composed of a diverse mixture of molecules that float freely