What is science?
cells
chem of life
energy in cells
cell division
100
this instrument provides greater magnification than a light microscope, but living organisms cannot be observed
What is an electron microscope?
100
diffusion of water across a cell membrane
What is osmosis?
100
organic compound composed of amino acids
What is a protein?
100
ATP NADPH and pyruvate are the products of this process
What is glycolysis?
100
metabolic processes are carried out in this longest phase of the cell cycle
What is interphase?
200
an explanation of observations that can be tested
What is a hypothesis?
200
organelle to which ribosomes attach, so that it can transport the proteins that the ribosome produces
What is rough endoplasmic reticulum?
200
variations of an element with different numbers of neutrons
What is an isotope?
200
a product of anaerobic fermentation in human muscle cells
What is lactic acid?
200
microtubules that attach to sister chromatids to pull them apart during anaphase of mitosis
What are spindle fibers?
300
metric unit for measuring large volumes of liquid
What is a liter?
300
a cell will do this when placed in a salt solution
What is shrink?
300
low values of this scale are acidic, high values are basic or alkaline
What is pH?
300
a series of proteins in the membrane of a mitochondria that use energy from electron flow to pump H ions into the matrix
What is the electron transport chain?
300
reproduction in which one parent cell divides into two identical daughter cells by mitosis
What is asexual reproduction?
400
calculated by multiplying the value of the ocular lens times the value of the objective lens of a microscope
What is magnification?
400
tail-like structure found on some unicellular organisms to help them move
What is a flagellum?
400
A polymer of simple sugars that is used for energy storage by plants
What is starch?
400
protein in the thylakoid membrane containing pigments which absorb light during photosynthesis
What is a photosystem?
400
phase of mitosis in which the nucleus is divided
What is telophase?
500
disproven idea that living organisms can arise from non-living materials
What is spontaneous generation?
500
organic catalysts that speed up chemical reactions in living things
What are enzymes?
500
subunits of lipids
What are glycerol and fatty acids?
500
organisms that must obtain their energy by consuming other organisms
What are heterotrophs?
500
uncoiled DNA that is present in the nucleus during interphase
What is chromatin?
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