$100$100

B - ConstantA - Variable

C – Control GroupD - Changeable

A. Variable

Anything that can change in an

experiment is a

$200$200The __________ group does not get the independent variable

?

B - ConstantA - Experimental

C – Control GroupD -Independent C. Control Group

$500$500

B – Dependent VariableA – Independent Variable

C - HypothesisD - QuestionD - Question

Adam and Jamie (from Mythbusters) would

like rain or walking in the rain. This would be

a

$1,000$1,000After completing some research, Adam and Jamie decide that running in the rain allows you to stay dryer than walking in the rain. This is an example o

B - QuestionA - Hypothesis

C – Independent VariableD – Dependent Variable

A - Hypothesis

$100$100Which of the following is a carbohydrate?

B –C5H12O6A – C6H12O6

C – C8H18D – C3H4O10

A. – C6H12O6

$500$500Isotopes have the same number of__________ but different numberts of ____________.

B – electrons, neutronsA – protons, electrons

C – protons, neutronsD – neutrons, protonsC. –protons, neutrons

$200$200In order for an atom to have a neutral charage, the number of protons must be _______than the number of electrons

B – greater thanA – none of the above

C – lesser thanD – equal toD. – equal to

$32,000$32,000Which statement describes why water moves from the roots to leaves of plants?

B – surface tensionA – pushed up by solutes in roots

C – capillary actionD - cohesionC – capillary action

$1,000$1,000Based on your knowledge of the polarity of water molecules, the solute molecule is most likely

B – negitvely chargedA – positively charged

C – without chargeD - hyrophobic

A – positively charged

$2,000$2,000A solution with a pH of 11 is

B - alkalineA - neutral

C - acidicD – a buffer

B. – alkaline

$2,000$2,000

A and B are examples of

B – amino acidsA - polypeptides

C - polymersD – monosaccarides

B. – amino acids

$100$100In order to make an atom positive, the atom must

B –lose protonsA – lose electrons

C – gain electronsD – gain protons

A. – lose electrons

$4,000$4,000A water molecule is polar because its hydrogen and oxygen atoms

B – both lose electronsA – do not share electrons equally

C – become ionsD – both gain electrons

A. – do not share electrons equally

$64,000$64,000This is a

B - carbA - lipid

C - proteinD – nucleic acid

A - lipid

$125,000$125,000Fat is to lipid as

B – Amino acid is to proteinA – DNA is to RNA

C – carb is to sugarD – Nucleus is to cell

B – Amino acid is to protein

$250,000$250,000Which is NOT a function of proteins?

B – help fight diseaseA – store and transmit genetic info

C – move substanes in & out cellD – control rate of reaction

A – store and transmit genetic info

$500,000$500,000Which is not true about enzymes?

B – they work best at specified pHA – the shape allows it to do right job

C – enzymes are proteinsD – All enzymes have the sameShape as substrateD – All enzymes have the same Shape as substrate

$1,000,000$1,000,000Which is true about catalyst

B – all catalyst are enzymesA – slow down reaction rate

C – lower activation energyD – catalyst are used up in reactionC – lower activation energy

$1,000,000$1,000,000The lowest level of environmental complexity that includes living and nonlivng factors is a

B – biomeA – ecosystem

C – biosphereD – community

A – ecosystem

$1,000,000$1,000,000

Plants are

B – producersA – consumers

C – herbivoresD – omnivores

B – producers

$1,000,000$1,000,000How do most primary producers make their own food?

B – changing water into CO2A – chemical energy to make carbs

C – breaking down remains of CO2D –light energy to make carbsD –light energy to make carbs

$1,000,000$1,000,000What is an ecological model of the relationships from a network of complex feeding interactions amoung organisms in a community from producers to decomposers?

B – Food chainA – Food web

C – ecosystemD – Population

A – Food web

$1,000,000$1,000,000

Each of the following is an abiotic factor except

B – rainfallA – temperature

C –soil typeD – Plant lifeD – Plant life

$1,000,000$1,000,000What is the term fro each step in the transfer of energy and matter within a food web?

B – trophic level A – biomass

C –food pyrimidD – energy path

B – trophic level