Life Science | Ch. 3 Test Question Preview (ID: 39617)
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a group of atoms held togehter by the energy of chemical bonds
a) atom
b) electron
c) molecule
d) compound
negatively chared paticle moving around outside a nucleus
a) proton
b) electron
c) neutron
d) mayonaise
2 or more substances dissolved evenly throughout another substance
a) solution
b) compound
c) ionic compound
d) molecular compound
a molecule has a MINIMUM of three atoms
a) True
b) False
c)
d)
an electrically charged atom that has lost or gained an electron
a) ion
b) proton
c) neutron
d) nucleus
inorganic compounds contain carbon and hydrogen molecules
a) True
b) False
c)
d)
Passive transport uses no energy
a) True
b) False
c)
d)
Facilitated Trasport uses energy
a) True
b) False
c)
d)
Carbon dioxide is waste
a) respiration
b) photosynthesis
c)
d)
occurs in mitochondria
a) respiration
b) photosynthesis
c)
d)
uses chlorophyll
a) respiration
b) photosynthesis
c)
d)
makes glucose from CO2
a) respiration
b) photosynthesis
c)
d)
Organic compounds are compounds that always contain ___________.
a) carbon
b) calcium
c) nitrogen
d) oxygen
An atom's nucleus contains__________.
a) neutrons only
b) protons and electrons
c) neutrons, protons, and electrons
d) protons and neutrons
the function of the selectively permeable cell________is to allow somethings to pass through it, but not others
a) cytoplasm
b) membrane
c) nucleus
d) wall
Producers use light energy to make_______
a) chlorophyll
b) glucose
c) proteins
d) starch
In a(n) _________________, substances mix evenly with other substances
a) inorganic compound
b) organic compound
c) solution
d) suspension
___________ are organic compounds made of sugars or starches
a) carbohydrates
b) enzymes
c) lipids
d) nucleic acids
__________ are organisms that can't make food
a) plants
b) enzymes
c) consumers
d) produces
_________ are organic compounds that store energy
a) Enzymes
b) lipids
c) nucleic acids
d) proteins
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