POB (Principles of Biology) Final (uark, Shadwick)
Assessment with Complete Solutions
Which of the following includes prokaryotes?
a. protists
b. fungi
c. archea
d. plants - ANSWER-archea
The term "supergroup" is used in the classification of what? - ANSWER-eukaryotes
atomic number tells you... - ANSWER-number of protons
isotopes differ in their... - ANSWER-number of neutrons
an atom that has 2 electrons in the valence shell would most likely... - ANSWER-
lose those 2 electrons and becomes positive
When an atom gains electrons it becomes... - ANSWER-negatively charged
unequal sharing of electrons - ANSWER-polar covalent bond
True/False: Are carbon atoms ionic? - ANSWER-false
what reaction combines 2 monomers to make a polymer? - ANSWER-dehydration
monomers of carbohydrates - ANSWER-monosaccharides
fructose and galactose are both isomers of... - ANSWER-glucose
a fatty acid is unsaturated if it... - ANSWER-contains carbon-carbon double bonds
True/False: Are phospholipids energy-storing molecules? - ANSWER-false
lipid that contains 4 fused carbon rings - ANSWER-steroid
chemical differences between amino acids are due to... - ANSWER-R group
which level of protein structure is determined by interactions of more than one
polypeptide chain? - ANSWER-quaternary
what is formed by the linking of two amino acids? - ANSWER-peptide bond
True/False: Nucleotides are the monomers of fats and polysaccharides. - ANSWER-
false
True/False: ATP is a high-energy molecule that can break down to ADP and
, phosphate. - ANSWER-true
the gradual strengthening of stimulus-response connections that seemingly
unrelated - ANSWER-classical conditioning
What type of survivorship curve would you expect for a plant species in which most
seedlings die? - ANSWER-type 3
high survival rate in early and middle life, rapid decline in survival in later life, few
offspring, care for young, humans and many other large mammals - ANSWER-type
1
lots of offspring with little care after birth, life expectancy is short - ANSWER-type 2
high infant mortality rate, longer life span - ANSWER-type 3
role of a species in a community, including its habitat and interaction with other
species - ANSWER-ecological niche
exhibition of the characteristics of a dangerous species by a harmless species to
avoid predators - ANSWER-Batesian mimicry
exhibition of similar characteristics by similar species to avoid predators - ANSWER-
Mullerian mimicry
types of symbiosis - ANSWER-mutualism, commensalism, parasitism
series of community changes which occur on an entirely new habitat which has
never been colonized before - ANSWER-primary succession
series of community changes which take place on a previously colonized, but
disturbed or damaged habitat - ANSWER-secondary succession
the point when a stable, mature community undergoes little or no change -
ANSWER-tertiary succession
models of succession - ANSWER-facilitation, tolerance, inhibition
generally, energy ________ an ecosystem, and nutrients ________ an ecosystem -
ANSWER-flows through, cycle within
out of the total amount of energy that passes from one trophic level to another,
about 10% is... - ANSWER-stored as body tissue
form of food web that begins with waste materials and the remains of dead
organisms - ANSWER-detrital
involves transpiration and precipitation - ANSWER-water cycle
Assessment with Complete Solutions
Which of the following includes prokaryotes?
a. protists
b. fungi
c. archea
d. plants - ANSWER-archea
The term "supergroup" is used in the classification of what? - ANSWER-eukaryotes
atomic number tells you... - ANSWER-number of protons
isotopes differ in their... - ANSWER-number of neutrons
an atom that has 2 electrons in the valence shell would most likely... - ANSWER-
lose those 2 electrons and becomes positive
When an atom gains electrons it becomes... - ANSWER-negatively charged
unequal sharing of electrons - ANSWER-polar covalent bond
True/False: Are carbon atoms ionic? - ANSWER-false
what reaction combines 2 monomers to make a polymer? - ANSWER-dehydration
monomers of carbohydrates - ANSWER-monosaccharides
fructose and galactose are both isomers of... - ANSWER-glucose
a fatty acid is unsaturated if it... - ANSWER-contains carbon-carbon double bonds
True/False: Are phospholipids energy-storing molecules? - ANSWER-false
lipid that contains 4 fused carbon rings - ANSWER-steroid
chemical differences between amino acids are due to... - ANSWER-R group
which level of protein structure is determined by interactions of more than one
polypeptide chain? - ANSWER-quaternary
what is formed by the linking of two amino acids? - ANSWER-peptide bond
True/False: Nucleotides are the monomers of fats and polysaccharides. - ANSWER-
false
True/False: ATP is a high-energy molecule that can break down to ADP and
, phosphate. - ANSWER-true
the gradual strengthening of stimulus-response connections that seemingly
unrelated - ANSWER-classical conditioning
What type of survivorship curve would you expect for a plant species in which most
seedlings die? - ANSWER-type 3
high survival rate in early and middle life, rapid decline in survival in later life, few
offspring, care for young, humans and many other large mammals - ANSWER-type
1
lots of offspring with little care after birth, life expectancy is short - ANSWER-type 2
high infant mortality rate, longer life span - ANSWER-type 3
role of a species in a community, including its habitat and interaction with other
species - ANSWER-ecological niche
exhibition of the characteristics of a dangerous species by a harmless species to
avoid predators - ANSWER-Batesian mimicry
exhibition of similar characteristics by similar species to avoid predators - ANSWER-
Mullerian mimicry
types of symbiosis - ANSWER-mutualism, commensalism, parasitism
series of community changes which occur on an entirely new habitat which has
never been colonized before - ANSWER-primary succession
series of community changes which take place on a previously colonized, but
disturbed or damaged habitat - ANSWER-secondary succession
the point when a stable, mature community undergoes little or no change -
ANSWER-tertiary succession
models of succession - ANSWER-facilitation, tolerance, inhibition
generally, energy ________ an ecosystem, and nutrients ________ an ecosystem -
ANSWER-flows through, cycle within
out of the total amount of energy that passes from one trophic level to another,
about 10% is... - ANSWER-stored as body tissue
form of food web that begins with waste materials and the remains of dead
organisms - ANSWER-detrital
involves transpiration and precipitation - ANSWER-water cycle
