EXAM 1 Study and Review for Biology
M01, Biology R101, BioSci 100 (COC),
Bio 100 (WVCTC), and Bio 010 (WHCC)
Science is best defined as -ANSWER what is known about the universe and the methods
used to obtain knowledge
Who determines scientific facts? -ANSWER anyone
What are TWO characteristics that make up the definition of a scientific fact -ANSWER
use senses to make observations; agreed upon by many
Which describes BEST how equipment is used in science -ANSWER to extend the range
of the senses
If one sees the leaves blowing in the wind, what type of evidence for the existence of air
is this? -ANSWER indirect
Which statement BEST explains why science ignores the issue of the existence of God?
-ANSWER He is not testable using our senses
The first step of the scientific method is -ANSWER identify the problem
A hypothesis stated in a negative fashion is called a ______ hypothesis -ANSWER null
Which would NOT be a part of the Discussion
a) accept hypothesis
b) dependent variable
c) explanation
d) conclusion -ANSWER dependent variable is part of the Experiment
To measure the amount of a substance, one would use _________ observations -
ANSWER quantitative
The constant part of the experiment used for comparison purposes. -ANSWER control
Electrons of atoms travel in these paths -ANSWER energy levels
What happens to the electrons during ionic bonding? -ANSWER outer energy level
electrons are gained and lost
The most abundant inorganic substance in a cell. -ANSWER water
, If an atom has 12 protons in its nucleus, what is its atomic number? -ANSWER 12
Sodium has an atomic number of 11. How would an atom of sodium may become a
sodium ion (Na+)? -ANSWER lose an outer energy level electron
An isotope of carbon (atomic number 6) has an atomic mass of 14. How many neutrons
are there? -ANSWER 8 neutrons
Which of these is NOT a function of water:
a) a solvent for various substances
b) absorbs heat
c) is an immediate source of energy
d) acts as a lubricant -ANSWER c) is an immediate source of energy
Starch, cellulose, and glycogen are representatives of which type of organic molecule? -
ANSWER carbohydrates
These organic compounds are the body's most highly concentrated source of energy. -
ANSWER lipids
Biological catalysts are found in this organic molecule group. -ANSWER proteins
These organic molecules are primary carriers of genetic information. -ANSWER nucleic
acids
These organic compounds provide the most readily available source of energy to
sustain life. -ANSWER carbohydrates
Electrons carry a _____ charge. -ANSWER negative
Name THREE properties that an individual water molecule shows. -ANSWER polarity,
heat resistance, and hydrogen-bonding capability
A denatured protein or DNA molecule has lost these THREE properties. -ANSWER
hydrogen bonds, function, shape
Hydrolysis is a _______ reaction. -ANSWER breakdown (cleavage)
Each carbon atom can share pairs of electrons with as many as _______ other atoms. -
ANSWER 4
The monomer of a protein -ANSWER amino acid
The monomer of a carbohydrate -ANSWER saccharide
M01, Biology R101, BioSci 100 (COC),
Bio 100 (WVCTC), and Bio 010 (WHCC)
Science is best defined as -ANSWER what is known about the universe and the methods
used to obtain knowledge
Who determines scientific facts? -ANSWER anyone
What are TWO characteristics that make up the definition of a scientific fact -ANSWER
use senses to make observations; agreed upon by many
Which describes BEST how equipment is used in science -ANSWER to extend the range
of the senses
If one sees the leaves blowing in the wind, what type of evidence for the existence of air
is this? -ANSWER indirect
Which statement BEST explains why science ignores the issue of the existence of God?
-ANSWER He is not testable using our senses
The first step of the scientific method is -ANSWER identify the problem
A hypothesis stated in a negative fashion is called a ______ hypothesis -ANSWER null
Which would NOT be a part of the Discussion
a) accept hypothesis
b) dependent variable
c) explanation
d) conclusion -ANSWER dependent variable is part of the Experiment
To measure the amount of a substance, one would use _________ observations -
ANSWER quantitative
The constant part of the experiment used for comparison purposes. -ANSWER control
Electrons of atoms travel in these paths -ANSWER energy levels
What happens to the electrons during ionic bonding? -ANSWER outer energy level
electrons are gained and lost
The most abundant inorganic substance in a cell. -ANSWER water
, If an atom has 12 protons in its nucleus, what is its atomic number? -ANSWER 12
Sodium has an atomic number of 11. How would an atom of sodium may become a
sodium ion (Na+)? -ANSWER lose an outer energy level electron
An isotope of carbon (atomic number 6) has an atomic mass of 14. How many neutrons
are there? -ANSWER 8 neutrons
Which of these is NOT a function of water:
a) a solvent for various substances
b) absorbs heat
c) is an immediate source of energy
d) acts as a lubricant -ANSWER c) is an immediate source of energy
Starch, cellulose, and glycogen are representatives of which type of organic molecule? -
ANSWER carbohydrates
These organic compounds are the body's most highly concentrated source of energy. -
ANSWER lipids
Biological catalysts are found in this organic molecule group. -ANSWER proteins
These organic molecules are primary carriers of genetic information. -ANSWER nucleic
acids
These organic compounds provide the most readily available source of energy to
sustain life. -ANSWER carbohydrates
Electrons carry a _____ charge. -ANSWER negative
Name THREE properties that an individual water molecule shows. -ANSWER polarity,
heat resistance, and hydrogen-bonding capability
A denatured protein or DNA molecule has lost these THREE properties. -ANSWER
hydrogen bonds, function, shape
Hydrolysis is a _______ reaction. -ANSWER breakdown (cleavage)
Each carbon atom can share pairs of electrons with as many as _______ other atoms. -
ANSWER 4
The monomer of a protein -ANSWER amino acid
The monomer of a carbohydrate -ANSWER saccharide
