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Life Science | Ch. 3 Test
Test Description: Study Guide
Instructions: Answer all questions to get your test result.
1) a group of atoms held togehter by the energy of chemical bonds
A
molecule
B
atom
C
compound
D
electron
2) negatively chared paticle moving around outside a nucleus
A
mayonaise
B
electron
C
neutron
D
proton
3) 2 or more substances dissolved evenly throughout another substance
A
molecular compound
B
compound
C
solution
D
ionic compound
4) a molecule has a MINIMUM of three atoms
A
False
B
True
5) an electrically charged atom that has lost or gained an electron
A
neutron
B
proton
C
ion
D
nucleus
6) inorganic compounds contain carbon and hydrogen molecules
A
False
B
True
7) Passive transport uses no energy
A
True
B
False
8) Facilitated Trasport uses energy
A
True
B
False
9) Carbon dioxide is waste
A
respiration
B
photosynthesis
10) occurs in mitochondria
A
photosynthesis
B
respiration
11) uses chlorophyll
A
photosynthesis
B
respiration
12) makes glucose from CO2
A
respiration
B
photosynthesis
13) Organic compounds are compounds that always contain ___________.
A
nitrogen
B
carbon
C
calcium
D
oxygen
14) An atom's nucleus contains__________.
A
neutrons, protons, and electrons
B
protons and electrons
C
protons and neutrons
D
neutrons only
15) the function of the selectively permeable cell________is to allow somethings to pass through it, but not others
A
membrane
B
nucleus
C
cytoplasm
D
wall
16) Producers use light energy to make_______
A
starch
B
glucose
C
proteins
D
chlorophyll
17) In a(n) _________________, substances mix evenly with other substances
A
organic compound
B
inorganic compound
C
solution
D
suspension
18) ___________ are organic compounds made of sugars or starches
A
lipids
B
carbohydrates
C
nucleic acids
D
enzymes
19) __________ are organisms that can't make food
A
consumers
B
enzymes
C
produces
D
plants
20) _________ are organic compounds that store energy
A
proteins
B
Enzymes
C
nucleic acids
D
lipids
*select an answer for all questions
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