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Biology Ch. 1-3
Biology Solomon Berg Martin Study Questions Ch. 1 - 3
109
Biology
Undergraduate 1
09/05/2013

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Term
A rock, a bacterium, and a frog are similar because...?
Definition
Their structure and organization arise from the same fundamental properties of matter and energy.
Term
The ____ is the smallest unit of matter that retains most of the characteristics of life.
Definition
cell
Term
The changes that occur from fertilized egg to adult are most appropriately called...
Definition
development
Term
The largest unit of a cell, atom, and molecule is..
Definition
a cell
Term
The largest unit of an atom, tissue, organ, molecule, and cell is...
Definition
an organ
Term
sexual reproduction is characterized by :
Definition
the participation of two parents
Term
A neutron is best described as:
Definition
a subatomic particle
Term
most of the mass of an atom is in the :
Definition
nucleus
Term
In most atom the number of protons:
Definition
is equal to the number of electrons
Term
The chemical symbol for sodium is :
Definition
Na
Term
a positive electrical charge unit
Definition
proton
Term
The atomic number refers to the number of ____ in an atom
Definition
protons
Term
the second energy level contains ___ electrons when it is full
Definition
8
Term
the carbon atom has ___ electrons in its outer shell
Definition
4
Term
Which of the following is a negatively charged ion? hydrogen, iron, carbonate, sodium
Definition
Carbonate
Term
Which of the following is not a disaccharide: sucrose, lactose, maltose and deoxyribose?
Definition
Deoxyribose
Term
Glucose joins with glucose to form:
Definition
Maltose
Term
most of the carbohydrates in a plant are found in the form of :
Definition
Polysaccharides
Term
What is not a polysaccharide?
Definition
maltose
Term
Examples of fats are:
Definition
lipids, steroids and waxes
Term
A lipid bilayer is found in the:
Definition
cell membrane
Term
Which of ( silicon, oxygen, hydrogen) is not one of the most common 6 elements found in living organisms?
Definition
Silicon
Term
___ is an example of a pentose sugar.
Definition
ribose
Term
steroids consist of __ interlocking rings.
Definition
4
Term
Mucleic acids are composed of carbon, hydrogen, oxygen, nitrogen and ____
Definition
Phosphorus
Term
The group of organic compounds that catalyze chemical reactions:
Definition
protiens
Term
the main ingredient in the tough excoskeleton of insects is:
Definition
Chitin
Term
What is not a cheif way to identify protien: function, boiling or freezing point, chemical composition, solubility?
Definition
Boiling of freezing point
Term
polypeptides are composed of :
Definition
amino acids
Term
Large chemical molecules:
Definition
follow the same physical laws that small molecules follow even though they may be different
& the ways they can be created
Term
A lion can mate with a tiger but any offspring produced will be infertile and thus not be able to reproduce offspring. This suggests that lions and tiger cannot be part of the same:
Definition
family
Term
the ability to maintain a constant internal environment is :
Definition
homeostasis
Term
Homeostasis provide a___ environment.
Definition
constant
Term
Homeostasis :
Definition
prevents drastic changes in the internal environment conditions.
Term
All organisms are alike in:
Definition
their requirement for energy
their participation in one or more nutrient cycles
their ultimate dependency on the sun
their interaction with other life forms
Term
humans are a part of the:
Definition
biosphere
Term
Homeostasis is best described as:
Definition
dynamic equilibrium
Term
An example of ecosystem homeostasis is:
Definition
The same temperature year round
Term
new species may arise through a process called:
Definition
Evolution
Term
Biochemical similarities in bacteria and humans indicate that:
Definition
there is a common ancestory
Term
Evolution is something which occurs to:
Definition
populations
Term
the meaning of natural selection is:
Definition
adaptation
Term
a family would be expected to contain a larger number of organisms than would a :
Definition
kingdom
Term
A molecule is best described as :
Definition
matter
Term
covalent bonding includes:
Definition
the type of bond found between basic bases in nucleic acids
Term
In the periodic table shown in the textbook, on of the items not described for each element is:
Definition
isotope numbers
Term
Organic compounds
Definition
are more numerous that inorganic compounds
Term
water is best described as :
Definition
inorganic
Term
A pH of 3 is:
Definition
100 times more acid then a pH of 5
Term
Atherosclerosis is a condition which is associated with large amounts of:
Definition
unsaturated fatty acid molecules in the diet
Term
naturally occurring proteins are constructed from
Definition
about 20 different amino acids
Term
Denaturation has the greatest effect on:
Definition
the peptide bond
Term
If an atom had 20 protons, 21 neutrons and 20 electrons, its atomic number would be:
Definition
20
Term
If an atom had 20 protons, 21 neutrons and 20 electrons, its atomic weight would be:
Definition
41
Term
a chemical compose of two or more atoms is a :
Definition
molecule
Term
What kind of bond is formed by the attraction of opposite charged ions?
Definition
ionic bond
Term
what type of bond is formed when two atoms share a pair of electrons?
Definition
covalent bond
Term
what kind of bond is formed between a slightly positive atom on one molecule and a slightly negative atom on a different molecule?
Definition
Hydrogen bond
Term
what is true about water?
Definition
water helps regulate body temperature
water can act as a lubricant in humans
water composes nearly 2/3 of the human body
water is an important solvent in humans
Term
Genes are made of DNA, these molecules belongs to what group of compounds?
Definition
Nucleic acids
Term
Steroid hormaone belong to what group of compounds?
Definition
lipids
Term
enzymes which speed up chemical reactions and the structural compounds keratin and collagen are all:
Definition
protiens
Term
Monosaccharides, disaccharides, and polysaccharides are :
Definition
Corbohydrates
Term
The human species probably started on the continent of :
Definition
Africa
Term
Which of the following does not involve using energy to do work?
Definition
atoms being bound together to form molecules
the division of one cell into two cells
the digestion of food
Term
A biosphere is characterized by:
Definition
interdependency
energy flow
mineral cycles
diversity
Term
The intermost electron shell of an atom holds a maximum of :
Definition
2 electrons
Term
In an ionic bond, the bond is caused by:
Definition
electrostatic force
Term
there are ___ kingdoms used in biological classification.
Definition
5
Term
atoms of the same substance combine to form:
Definition
molecules
Term
A bacterium belongs to the kingdom:
Definition
Monera/Prokaryotica
Term
a mushroom belongs to the kingdom:
Definition
fungi
Term
Which of the following is a positivley charged ion. (chloride, potassium, hydroxide, and phosphate)
Definition
potassium
Term
sodium has 11 electrons, it has __ electrons in its outer shell.
Definition
1
Term
Which of the following is an organic compound? (salt, acid, protien, water)
Definition
protien
Term
Aqueous ammonia (ammonium hydroxide) is and example of a :
Definition
inorganic base
Term
the bonds of organic compounds are:
Definition
single, double and triple
Term
In a typical carbohydrate molecule the most common atom is:
Definition
carbon
Term
which of the follwoing is a disaccharide? (sucrose, ribose, glucose, fructose)
Definition
sucrose
Term
The lightest subatomic particle is the :
Definition
electron
Term
the atomic number refers to the number of _____ in an atom.
Definition
protons
Term
An atom with 5 valence electrons would be expected to react with an atom with ___ valence electrons.
Definition
3
Term
A reduction reaction in living organisms involves:
Definition
a gain of a hydrogen atom
Term
Bicarbonate ions and carbonic acid function in:
Definition
buffering
Term
the most common type of hexose in a persons body is:
Definition
glucose (hexose is sugar)
Term
What is an example of a pentose sugar?
Definition
Ribose
Term
THe amino acids could be considered :
Definition
building blocks
Term
the sequence of amino acids is known as ____ proteins structure.
Definition
primary
Term
A twisted telephone cord is said to exhibit a protein___ structure.
Definition
secondary
Term
Folding and coiling of a protein results in its____ structure.
Definition
tertiary
Term
True of False: Bacterial cells have nuclei and several different kinds of organelles.
Definition
False
Term
True of False: Viruses are not structurally organized.
Definition
False
Term
The adjective that best describes homeostasis in living organisms is:
Definition
dynamic
Term
The explanation for the diversity of coral reef organisms is that it is:
Definition
a result of natural selection
a result of differential survival and reproduction
a result of inherited differences between organisms
an expression of the different ways organisms can compete for needed ingreients
Term
Energy in living things originates in the :
Definition
sun
Term
Metabolism involves ....
Definition
catabolic reactions
Term
Irritability is most closely related to :
Definition
stimulus perception
Term
An element :
Definition
can never combine with other (different) elements
Term
In most atoms the number of protons is:
Definition
equal to the number of electrons
Term
Unstable isotopes often result from the addition of :
Definition
neutrons
Term
A nitrogenous base is most likely to be found in:
Definition
a nucleic acid
Term
ATP is a molecule most closely associated with:
Definition
energy storage
Term
Which is the positively charged particle that is found in the nucleus of an atom?
Definition
proton
Term
Which subatomic particle has a negative charge and orbits the nucleus of an atom?
Definition
electron
Term
Which solution would have the greatest concentration of hydrogen ions? (pH1,pH2, pH7)
Definition
pH 1
Term
Which of the following is a neutral pH?
pH1, pH2, pH7, pH9, pH13
Definition
pH7
Term
What class of compounds contains sugars and starches?
Definition
Carcohydrates
Term
This diverse group of compounds is insoluble in water.
Definition
lipids
Term
Which group of compounds is composed of amino acid building block?
Definition
proteins
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