what type of hypothesis is used for a chi square?
null hypothesis
(null)
what are stem cells?
cells that are specialized and can differentiate
what does the substrate fit into on the enzyme?
active site
is it okay to eat or drink during a lab?
no
what is the charge of a proton?
positive
what happens if the chi square value is greater than the critical value?
rejected
what type of cell are bacteria? (prokaryotic or eukaryotic)
prokaryotic
what is it called when an enzyme's active site changes shape?
it's denatured
how do you carry the microscope?
with the arm and base
where are electrons in an atom?
electron cloud
what is the degree of freedom?
number of outcomes - 1
are viruses living or non-living and why?
non-living because they cannot reproduce without a host
what do enzymes do?
lower activation energy to speed up reaction rate
what objective lens do you start on?
4x scanning lens
what is the atomic number for carbon?
6
what is the critical value we use?
3.84
what are stem cells donated from the same individual called?
autologus
give two examples of enzymes
lactase and maltase
(answer must end in -ase)
what does the condenser do?
concentrates light
explain the octet rule
atoms will gain or lose electrons to have a full valence shell
what is the formula for chi square?
x2 = (oi - ei)2 / ei
what is the least invasive type of stem cell?
cord blood
what denatures an enzyme?
temperature or pH
how do you calibrate a balance to zero?
place something on the scale and press the zero button
how many electrons does Lithium 10-1 have if lithium has an atomic number of 3?
2