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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
electron
B
atom
C
molecule
D
compound
2) negatively chared paticle moving around outside a nucleus
A
electron
B
neutron
C
proton
D
mayonaise
3) 2 or more substances dissolved evenly throughout another substance
A
ionic compound
B
compound
C
solution
D
molecular 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
ion
B
nucleus
C
neutron
D
proton
6) inorganic compounds contain carbon and hydrogen molecules
A
True
B
False
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
respiration
B
photosynthesis
12) makes glucose from CO2
A
photosynthesis
B
respiration
13) Organic compounds are compounds that always contain ___________.
A
nitrogen
B
calcium
C
carbon
D
oxygen
14) An atom's nucleus contains__________.
A
protons and neutrons
B
protons and electrons
C
neutrons only
D
neutrons, protons, and electrons
15) the function of the selectively permeable cell________is to allow somethings to pass through it, but not others
A
nucleus
B
cytoplasm
C
wall
D
membrane
16) Producers use light energy to make_______
A
glucose
B
chlorophyll
C
starch
D
proteins
17) In a(n) _________________, substances mix evenly with other substances
A
inorganic compound
B
organic compound
C
solution
D
suspension
18) ___________ are organic compounds made of sugars or starches
A
enzymes
B
nucleic acids
C
lipids
D
carbohydrates
19) __________ are organisms that can't make food
A
produces
B
consumers
C
plants
D
enzymes
20) _________ are organic compounds that store energy
A
lipids
B
nucleic acids
C
proteins
D
Enzymes
*select an answer for all questions
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