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Biology Basics
Biology Basics
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1
Broad concept that describes patterns in nature (uses math)
Principle
Fact
Law
Theory
2
What is the monomer of a protein?
Enzyme
Muscles
Catalyst
Amino acids
3
How many protons in an atom of sodium?
10
12
11
13
4
A statement based on repeated experimental observation that describes an aspect of the world
Theory
Fact
Principle
Law
5
What is the independent variable
The variable being tested and changed
The variable measured
When you hold something constant
The outcome
6
Starch is a
Nucleic acid
Protein
Carbohydrate
Lipid
7
Accurate or Precise?
Precise
Accurate
Both accurate and precise
neither accurate or precise
8
Which of the following is the most precise reading?
150
1500
15
1.5
9
Which is a qualitative observation?
There are two acorns.
It is fall.
A squirrel has visited.
There are acorns.
10
What do lipids do for your body?
Main source of energy
Basic Structure and Function
Genetic Information
Store energy
11
What is a constant?
Something in an experiment which scientist can't control
Something in an experiment that is a suprise.
Something in an experiment which must remain the same
Something in an experiment which constantly changes.
12
The third source of energy
Protein
Lipid
Nucleic acid
Carbohydrate
13
Hydrophobic means
Water loving
Water hating
14
Which element is NOT required for life?
Oxygen
Carbon
Helium
Hydrogen
15
Which is an inference?
There are 7 kids
It is the little girl's birthday
The little girl is wearing pink
There are balloons
16
Polysaccharides are the polymer of which macromolecule
Proteins
Lipids
Nucleic Acids
Carbohydrates
17
How many neutrons in an atom of Carbon 13?
12
7
13
6
18
made of C, H, O, P, N, S
Protein
Carbohydrates
Nucleic acids
Lipids
19
An explination of an observed phenomenon
Law
Fact
Principle
Theory
20
What is the most commonly used solvent in everyday life?
Helium
Ethanol
Water
Carbon
21
Ice floats because
it is more dense than liquid water
it is less dense than liquid water
it is the same density as water
22
The first source of energy
Carbohydrate
Lipid
Protein
Nucleic acid
23
Qualitative observations are
words and numbers
numbers only
sometimes words and numbers
words only
24
DNA and RNA are made of
Nucleic acid
Protein
Carbohydrate
Lipid
25
One water molecule sticking to another type of molecule
capillary action
hydration
cohesion
adhesion
26
The polymer of a carbohydrate is
polysaccharide
polypeptide
starch
amino acid
27
Which statement best describes a controlled experiment?
Avoids the use of variables.
Tests the effect of a single independent variable.
Eliminates the need for dependent variables.
Shows effect of dependent variable on independent variable.
28
Made of Amino Acids
Protein
Carbohydrate
Lipid
Nucleic acid
29
Is the experiment shown considered a "controlled experiment."
YES
NO
30
______________ is when a water molecule "sticks" to another water molecule.
Heat capacity
Cohesion
Adhesion
Density
31
What is a Dependent Variable?
The variable you test by changing it
Something you hold constant in the experiment
The results/what you measure
Something you could change but don't
32
Which macromolecule is not ever used as energy?
Nucleic Acids
Protein
Lipids
Carbohydrates
33
Polymers are made up of
Sugars
Carbon
Monomers
Dimers
34
True or False:
A protein’s specific structure affects how it functions.
False
True
35
Hydrophobic substances are made up of ____ molecule
Polar
Nonpolar
Ionic
Covalent
36
Nucleic acids are polymers (long chains of repeating subunits) composed of __________.
amino acids
nucleotides
glucose
fatty acids
37
The child's temperature was 101 degrees. Quantitative or Qualitative?
Quantitative
Qualitative
38
The second source of energy
Lipid
Protein
Nucleic acid
Carbohydrate
39
To run a controlled experiment on how sleep affects student test scores, you must
vary amount of sleep and keep all other variables the same
vary the amount of sleep and food each group of students eat
vary the type of tests that you give students
40
Lipids
Used to make hormones
Make up the cell membrane
Can be used as energy
All of the above
41
The substance that dissolves into the solvent is called ...
the dissolvee
the solid
the solute
the solution
42
How many electrons in a neutral atom of Chlorine?
17
18
16
19
43
Accurate or Precise?
Both
Neither
Accurate
Precise
44
Provides insulation
Lipid
Protein
Carbohydrate
Nucleic acid
45
made of C, H, and O (2 possible answers, choose 1)
Protein
Nucleic acids
Carbohydrates
Lipids
46
An objective, verifiable observation
Principle
Law
Fact
Theory
47
The surface tension of water, allowing insects to walk on it, is caused by....
Cohesion
High Density
Adhesion
High Specific Heat
48
In a controlled experiment, how many variables at one time can you change?
3
1
as many as you want
2
