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Transcript
Created by Terri Street
© 2000
Background images courtesy of abc.com
 1,000,000
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1,000
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500
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100
Click to return to
question, Cont-P to
switch to the pen, cross
out two incorrect
answers, then Cont-A to
switch back to pointer.
Click to return to the
question and poll the
class
Click on link to Ask
Jeeves, or click on this
oval to return to
question and ask a
friend
The correct steps of the scientific
method in order are__
 A. Hypothesize, experiment,
Know the problem, research &
take observations
 C. Hypothesize, research &
take observations, experiment,
Know the problem
 B. Know the problem, research &
take observations,
Hypothesize, experiment

D. Know the problem, Hypothesize,
experiment, research &
take observations
B. Know the problem, research &
take observations,hypothesize, experiment
Back to
Board
This is used as a comparison when
conducting an experiment.
 A. Control
 B. Independent
variable
 C. Dependent
variable
 D. Hypothesis
A. Control
Back to
Board
What process moves water across a
membrane from high to low concentrations?
 A. Diffusion
 B. Pinocytosis
 C. Osmosis
 D. Exocytosis
C. Osmosis
Back to
Board
All of the following are functions of
the plasma membrane EXCEPT
 A. protective boundary
 C. selectively permeable
 B. transforms energy
 D. recognizes certain
chemicals
B. transforms energy
Back to
Board
Both chloroplasts & mitochondrion
…
 A. absorb sunlight
 C. use glucose
 B. need carbon dioxide
 D. transform energy from
one form to another
D. transform energy from
one form to another
Back to
Board
Enzymes are members of this type
of macromolecule
 A. carbohydrates
 B. lipids
 C. nucleic acids
 D. proteins
D. proteins
Back to
Board
Because water has this property,
life is able to exist on Earth
 A. polarity from
hydrogen bonds
 B. clear
 C. wetness
 D. has no odor
A. polarity from
hydrogen bonds
Back to
Board
The building blocks of protein are
 A. amino acids
 B. fatty acids
 C. nucleotides
 D. monosaccharides
A. amino acids
Back to
Board
An atom does NOT contain
 A. electrons
 B. DNA
 C. neutrons
 D. protons
B. DNA
Back to
Board
The 4 major macromolecules are
 A. DNA, RNA,
 B. carbs, lipids,
proteins, nucleic acids
 C. amino acids,nucleic acids,
 D. nucleotides, lipids,
Amino acids, glucose
Ribosomes, mitochondrion
phospholipids, glucose
B. carbs, lipids,
proteins, nucleic acids
Back to
Board
This Mendelian law relates to the separation
of homologous chromosomes
 A. Law of independent
assortment
 C. law of dominance
 B. Law of segregation
 D. Law of recessiveness
B. Law of segregation
Back to
Board
Meiosis results in variations within a species
for all EXCEPT the following reason.
 A. separates homologous
chromosomes
 C. produces millions
of different combinations
of chromosomes
 B. Produces
identical cells
 D. Creates sex cells
that will randomly
join together
B. Produces
identical cells
Back to
Board
How does meiosis maintain a constant
chromosome number within a species?
 A. Cells split twice
 B. Cells split once
 C. Homologous chromosomes
separate, then sister
chromatids separate
 D. Homologous chromosomes
separate, cells split,then sister
chromatids separate & cells split again
D. Homologous chromosomes
separate, cells split,then sister
chromatids separate & cells split again
Back to
Board
The resulting offspring from a
dihybrid cross is
 A. All homozygous
dominant
 B. 2 heterozygous,
2 recessive
 C. All homozygous
recessive
 D. one homozygous dominant,
2 heterozygous, 1 recessive
D. one homozygous dominant,
2 heterozygous, 1 recessive
Back to
Board
Mendel’s Laws include all but the
following:
 A. law of
recessiveness
 C. law of dominance
 B. Law of segregation
 D. law of
Independent assortment
A. law of
recessiveness
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