Bio 101 Final- Straighterline exam
|Questions solved 100%
Correct/Verified Solutions
Which organic molecule is composed of an amino group, a carboxylic acid group, and an
R group?
A. carbohydrate
B. phospholipid
C. amino acid
D. nucleotide - ANSWER amino acid
Which step of the photosynthesis pathway produces a carbohydrate from CO2 in
the atmosphere?
A. the light reactions
B. ATP production
C. the Calvin cycle
D. the C4 pathway - ANSWER the Calvin cycle
Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and
2 ATP?
A. Glycolysis
B. Fermentation
C. Citric Acid Cycle
D. Electron Transport Chain - ANSWER Citric Acid Cycle
,Which membranous organelle, present in both animal and plant cells, is primarily used
for storage?
A. the vacuole
B. the Golgi apparatus
C. the lysosome
D. the mitochondrion - ANSWER the vacuole
Plants are capable of growth throughout their entire lifespan because of specialized
tissue known as the
A. petiole
B. cotyledon
C. xylem
D. meristem - ANSWER meristem
Which group of hominids had an appearance similar to modern man and hunted cooperatively
using advanced stone tools?
A. Homo habilis
B. Homo floresiensis
C. Cro-Magnons
D. Neandertals - ANSWER Cro-Magnons
To bypass the pulmonary circulation in the fetal heart, much of the blood entering the
right atrium is shunted directly to the left atrium through the
,A. foramen ovale.
B. vernix caseosa.
C. fontanel.
D. umbilical cord. - ANSWER foramen ovale
The phenomenon that occurs when two alleles of the same gene are expressed equally in
a heterozygote is called
A. incomplete dominance.
B. polygenic inheritance.
C. codominance.
D. dihybrid - ANSWER codominance
Which members of an ecosystem occupy the first trophic level of a food web?
A. Autotrophs
B. Herbivores
C. Omnivores
D. Carnivores - ANSWER Autotrophs
Which form of symbiosis resembles the predator-prey relationship in which one
species benefits while the other species is harmed?
A. Mimicry
B. Parasitism
C. Commensalism
D. Mutualism - ANSWER Parasitism
, Behavior that may reduce an individual's lifetime reproductive success, but benefit one of
their relatives is referred to as
A. operant conditioning
B. imprinting
C. altruism.
D. territoriality. - ANSWER altruism
Which agent of evolutionary change occurs when a population's allele frequency is altered due
to chance?
A. genetic drift
B. gene flow
C. nonrandom mating
D. natural selection - ANSWER genetic drift
Which region of the biome chart below represents temperate deciduous forests? - ANSWER A
A physician specializes in surgery involving the following group of organs: mouth, esophagus,
stomach and intestines. Overall, this physician is specialized at which level of organization?
a. cell
b. tissue
c. organ
d. organ system
e. organism - ANSWER organ system
Which answer choice lists the steps of the scientific method in the correct order?
|Questions solved 100%
Correct/Verified Solutions
Which organic molecule is composed of an amino group, a carboxylic acid group, and an
R group?
A. carbohydrate
B. phospholipid
C. amino acid
D. nucleotide - ANSWER amino acid
Which step of the photosynthesis pathway produces a carbohydrate from CO2 in
the atmosphere?
A. the light reactions
B. ATP production
C. the Calvin cycle
D. the C4 pathway - ANSWER the Calvin cycle
Which step of the cellular respiration pathway produces 4 CO2, 6 NADH, 6 H+, 2 FADH2, and
2 ATP?
A. Glycolysis
B. Fermentation
C. Citric Acid Cycle
D. Electron Transport Chain - ANSWER Citric Acid Cycle
,Which membranous organelle, present in both animal and plant cells, is primarily used
for storage?
A. the vacuole
B. the Golgi apparatus
C. the lysosome
D. the mitochondrion - ANSWER the vacuole
Plants are capable of growth throughout their entire lifespan because of specialized
tissue known as the
A. petiole
B. cotyledon
C. xylem
D. meristem - ANSWER meristem
Which group of hominids had an appearance similar to modern man and hunted cooperatively
using advanced stone tools?
A. Homo habilis
B. Homo floresiensis
C. Cro-Magnons
D. Neandertals - ANSWER Cro-Magnons
To bypass the pulmonary circulation in the fetal heart, much of the blood entering the
right atrium is shunted directly to the left atrium through the
,A. foramen ovale.
B. vernix caseosa.
C. fontanel.
D. umbilical cord. - ANSWER foramen ovale
The phenomenon that occurs when two alleles of the same gene are expressed equally in
a heterozygote is called
A. incomplete dominance.
B. polygenic inheritance.
C. codominance.
D. dihybrid - ANSWER codominance
Which members of an ecosystem occupy the first trophic level of a food web?
A. Autotrophs
B. Herbivores
C. Omnivores
D. Carnivores - ANSWER Autotrophs
Which form of symbiosis resembles the predator-prey relationship in which one
species benefits while the other species is harmed?
A. Mimicry
B. Parasitism
C. Commensalism
D. Mutualism - ANSWER Parasitism
, Behavior that may reduce an individual's lifetime reproductive success, but benefit one of
their relatives is referred to as
A. operant conditioning
B. imprinting
C. altruism.
D. territoriality. - ANSWER altruism
Which agent of evolutionary change occurs when a population's allele frequency is altered due
to chance?
A. genetic drift
B. gene flow
C. nonrandom mating
D. natural selection - ANSWER genetic drift
Which region of the biome chart below represents temperate deciduous forests? - ANSWER A
A physician specializes in surgery involving the following group of organs: mouth, esophagus,
stomach and intestines. Overall, this physician is specialized at which level of organization?
a. cell
b. tissue
c. organ
d. organ system
e. organism - ANSWER organ system
Which answer choice lists the steps of the scientific method in the correct order?
