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Scientific Method and Biochemistry Test Flashcards | StudBud
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Scientific Method and Biochemistry Test
Scientific Method and Biochemistry Test
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A review for the Honors Biology Test on Scientific Method and Biochemistry
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
Which of the following molecules is described as chains of amino acids?
Proteins
Lipids
Carbohydrates
Nucleic Acids
2
A student tests a rats weight using a diet pill for 1 week. Which is the dependent variable?
pill
time
rat
weight
3
Which of the following is also referred to as a Hydrogen Ion?
Ion
Electron
Proton
Neutron
4
Which of the following is not a stimulus?
light
sound
temperature
homeostasis
5
Which of the following is a property of water?
Ice sinks
Water is polar
Water forms ionic bonds
Water is solid at 72 degrees F
6
Which molecule is polar?
Carbon Dioxide
Water
Oxygen Gas
Methane
7
When water and sugar are mixed together water is the ____ and sugar is the ____.
solute / solvent
solver / solution
solution / solver
solvent / solute
8
Which of the following defines theory in science?
model supported by research
guess
hypothesis
estimate
9
Combining smaller molecules together to make larger molecules is called ____.
Hydrobonding
Dehydration Bonding
Hydrolysis
Dehydration Synthesis
10
Phospholipids are an important molecule used in which cellular structure?
Golgi Apparatus
Membranes
Nucleus
Endoplasmic Reticulum
11
The weak force of attraction between polar molecules is called ____.
an ionic bond
a covalent bond
a magnetic bond
a hydrogen bond
12
Which macro-molecule is used to store genetic information?
Nucleic Acids
Lipids
Proteins
Carbohydrates
13
Which organism can only reproduce asexually?
Eukaryote
Prokaryote
Plant
Animal
14
What does Hydrophobic mean?
Dissolves easily in water
Does not dissolve easily in water
Mixes with water
Likes water
15
Oxygen usually forms ____ covalent bonds in stable molecules.
8
6
2
4
16
The basis of comparison in an experiment is called the ____.
dependent variable
control
independent variable
experimental group
17
In DNA Thymine always pairs with ___.
Cytosine
Guanine
Uracil
Adenine
18
An educated guess is defined as a ____.
Hypothesis
Conclusion
Theory
Observation
19
Water molecules a loosely attracted to one another with ____.
Hydrogen Bonds
Ionic Bonds
Neutron Bonds
Covalent Bonds
20
Different structural formulas for the same chemical formula are called ____.
Isomers
Isopropyls
Isoceles
Isotopes
21
Which of the following is closest in meaning to the word adhesion?
Sliding
Repelling
Sticky
Slippery
22
Lactose is a ____.
Monosaccharide
Trisaccharide
Disaccharide
Polysaccharide
23
Which of the following is the most dense?
Ice
Liquid Water
Steam
Solid Water
24
An ion is an atom that has gained or lost ____ .
protons
electrons
elements
neutrons
25
Which of the following is not an element common in life?
Chlorine
Carbon
Oxygen
Hydrogen
26
Which of the following is not a property of life?
Evolution
Homeostasis
Moving
Metabolism
27
A molecule is held together by ____ bonds.
ionic
hydrogen
electron
covalent
28
How many valence electrons does Carbon have?
6
2
8
4
29
Which of the following is the smallest?
oxygen molecule
glucose molecule
lipid molecule
amino acid
30
Prokaryotic cells ___.
do not have a nucleus
are plant cells
have organelles
are larger than eukaryotic cells
31
Define a covalent bond.
It forms when atoms share electrons.
It forms when atoms transfer electrons.
It forms when atoms are charged.
It forms when atoms lose or gain electrons.
32
How many valence electrons does Chlorine have?
7
4
2
1
33
Amylose is also known as ____.
Starch
RNA
DNA
Triglyceride
34
Homeostasis is ____ .
passing on adaptations from one generation to the next
producing energy from organic matter.
performing photosynthesis and cellular respiration
maintaining stable internal living conditions.
35
Heredity is describes as ____.
homeostasis
passing genetic material
aerobic respiration
metabolism
36
Which of the following property of water is not necessary for life?
Water is adhesive
Water is wet
Water is polar
Water is cohesve
37
Peptide bonds are used to link together ____.
amino acids
nucleic acids
glucose molecules
glycerol and fatty acids
38
When two molecules break apart and water is consumed it is called ____.
A Condensation Reaction
Hydrolysis
A Replacement Reaction
Dehydration Synthesis
39
Which of the following molecules acts as a biological catalyst?
Nucleic Acids
Amino Acids
Enzymes
Lipids
40
The basic unit of matter is the ____.
atom
molecule
cell
proton
