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9wt6
Aaliyah's Amazing Study Stack
Question | Answer |
---|---|
3 particles of atom | neutron, electron, proton |
space surrounding nucleus | electron |
covalent bonds are | sharing of electrons |
energy neeeded to get reaction started is | activated energy |
cellular respiration occurs in plants and | animal cells |
main function ofo proteins are | build muscle and bone, help fight disease, control rate of reactions |
which compunds are composed of amino acids | proteins |
the nucleus is made up of | proton and neutron |
channels and pumps are made of | proteins |
the enclose dna in a nucleus is | eukaryote |
whic substance act as chemical messengers | hormones |
what controls what goes in and out of a cell | cell membrane |
who named cells | Robert Hooke |
primary function of the cell wall is | support and protect |
proteins using coded instuctions are | ribosomes |
group of species that live in same places is called | population |
why do birds fly in winter | response to their environment |
which swquence correctly traces the path of a protein in the cell | ribosome, ER, golgi |
what allowed the discovery of cells | microscope |
Na=ions enter cells by | finding and passing through a pump |
which organelle converts the chemical energy store in food | mitochondria |
what happens at equilbrium, during diffusion | move back and forth |
Pinocytosis involves the transport of | fluid into a cell |
a factor that change of independent is the | dependent variable |
Rule or principle | scientific law |
process of gathering information through senses | observation |
when designing an experiment, the first step is to | state the problem |
a measure of earth's gravitational pull on matter is | weight |
explanation of a event, repeated observations | theory |
a standard for comparison that helps to ensure that the experiment | control |
a idea, event, or object | model |
temperature change of a material over time, temperature change is the | dependent variable |
another term for technology is | applied science |
a factor that is manipulated in an experiment to change the DV is the | Independent variable |
counting the popped kernels is an example of | observation |
range of population tell you that density does not | area where they live |
movement of organisms | immigration |
2 ways population can decrease in size | low birthrate, higher death rate, less immigration, more emmigration |
which describes growth curve | exponential |
various growht phases, whch most population | logistic |
resource start to become less avaible the population | reach carrying capacity |
sea otters live in the ocean. Not likely to be limition factor | drought |
which will reduce coompetition within species | fewer individuals |
which is a density independent limiting factor | rainfall |
demography is scientific study of | human population |
demographic transition goes high death rates to | low death |
most of the worlwide human population is growing expnonetial because | have not reached demographic transition |
enzymes are | organic molecules, proteins, and that work best at a specific pH |
RNA molecules are made of | nucleotides |
catalysts | lower activation energy |
will not find a cell wall in which kinds of organisms | no cell wall in animal |
which organelles break down organelles | ribosomes |
in plant cells what stores materials | vacuoles |
low to high concentration | ribosomes |
releasing energy from glucose | cellular respiratioin, photosynthesis |
modifies and sorts | golgi aparatus |
combination of 2 or more substances | compound |
Prokaryote | does not have a nucleus |
function of cytoskeleton | shape |
genetically identical trees | asexual reproduction |
evenly distrubuted of 2 or more substances | solution |
hydrogen is | positive |
oxygen is | negative |
pH of 6 is an | acid |
monosaccharide is an | carbohydrate |
process of internl | homeostasis |
isotopes are atoms of the same element with the same number of protons and a diff number of | neutrons |