Praxis 5236 Review Questions
____________ is a term that indicates the role that an organism plays in a community. -
answerNiche
A _____________ refers to the community of plants and animals that occur naturally in
an area, often sharing common characteristics specific to that area. - answer Biome
A _____________ is a zone of junction or a transition area between two biomes. It is
were tow communities meet and integrate. – answer Ecotone
What characteristics distinguishes members of the domain Eukarya from the domains
Archea and Bacteria. - answer The presence of a nuclear envelope
Valine is typically classified as a hydrophobic amino acid because valine molecules
have which type of side chains? - answerNonpolar
The overall process of aerobic cellular respiration is best described as the oxidation of
glucose to produce carbon dioxide and the reduction of oxygen to produce
______________. - answerWater
In _______________ cellular respiration oxygen acts as the final electron acceptor in
oxidative phosphorylation, resulting in the production of water. - answerAerobic
Which stage of Interphase does DNA replication occur in the cell cycle? - answerS
phase
What does a model of secondary succession typically include changes in? -
answerSpecies composition over time
What structures are typically in a bacterial cell but not a virus cell? - answer- Ribosomes
- DNA Replication Machinery
True or False 1:
A typical virus has its own genome but lacks the machinery of synthesizing proteins or
replicating its genome. - answerTrue (1)
_________________ ___________________ is an enzyme that iss typically present in
retroviruses but not in bacteria cells. - answerReverse Transcriptase
The nucleotides of a single strand of DNA are linked together by
_________________________ bonds. - answerPhosphodiester
, _________________ is a metabolic pathway that produces pyruvate from glucose. It
occurs in both fermentation and aerobic cellular respiration. - answerGlycolysis
__________________ is growth toward or away from the force of gravity on earth. -
answerGravitrophism
Roots exhibit __________________ gravitropism, growing downwards into the soil to
gain access to water and to provide anchoring for the plant. - answerPositive
_________________ is the process in plants that moves water form the soil to the
atmosphere. - answerTranspiration
A __________ _________ is the stock of different genes in an interbreeding population.
- answerGene Pool
What is the primary function of bone marrow in humans? - answerIt is the source of new
blood cells
_________________________ is the formation of all cells of the blood and it occurs in
the bone marrow. - answerHematopoiesis
When the concentration of glucose in the blood increases, the beta cells of the
pancreas secrete_______________. This causes the uptake of glucose from the blood
cells of the body, especially by the liver, skeletal muscle, and adipose cells. -
answerInsulin
A scientific _____________ is a statement that explains a natural phenomenon or other
aspects of the natural world and is supported by large body of evidence. They serve as
the basis for new hypothesis and experiments. - answerTheories
What are some examples of scientific theories? - answer- Evolutionary adaptations
arise by natural selection
- The number of species on a island is determined by an equilibrium between the rates
of immigration and extinction.
What does the process of newly synthesized messenger RNA molecule in a eukaryotic
cell involve? - answerThe addition of a poly-A tail to one end of the molecules.
What term described the collective interactions of turtles, insects, frogs, birds, and water
plants that in live in and around the same pond? - answerCommunity
Which scientific theory was/is supported by the observation that mitochondria are
enclosed by a double membrane and have their own genomes? - answerEndosymbiotic
Theory
____________ is a term that indicates the role that an organism plays in a community. -
answerNiche
A _____________ refers to the community of plants and animals that occur naturally in
an area, often sharing common characteristics specific to that area. - answer Biome
A _____________ is a zone of junction or a transition area between two biomes. It is
were tow communities meet and integrate. – answer Ecotone
What characteristics distinguishes members of the domain Eukarya from the domains
Archea and Bacteria. - answer The presence of a nuclear envelope
Valine is typically classified as a hydrophobic amino acid because valine molecules
have which type of side chains? - answerNonpolar
The overall process of aerobic cellular respiration is best described as the oxidation of
glucose to produce carbon dioxide and the reduction of oxygen to produce
______________. - answerWater
In _______________ cellular respiration oxygen acts as the final electron acceptor in
oxidative phosphorylation, resulting in the production of water. - answerAerobic
Which stage of Interphase does DNA replication occur in the cell cycle? - answerS
phase
What does a model of secondary succession typically include changes in? -
answerSpecies composition over time
What structures are typically in a bacterial cell but not a virus cell? - answer- Ribosomes
- DNA Replication Machinery
True or False 1:
A typical virus has its own genome but lacks the machinery of synthesizing proteins or
replicating its genome. - answerTrue (1)
_________________ ___________________ is an enzyme that iss typically present in
retroviruses but not in bacteria cells. - answerReverse Transcriptase
The nucleotides of a single strand of DNA are linked together by
_________________________ bonds. - answerPhosphodiester
, _________________ is a metabolic pathway that produces pyruvate from glucose. It
occurs in both fermentation and aerobic cellular respiration. - answerGlycolysis
__________________ is growth toward or away from the force of gravity on earth. -
answerGravitrophism
Roots exhibit __________________ gravitropism, growing downwards into the soil to
gain access to water and to provide anchoring for the plant. - answerPositive
_________________ is the process in plants that moves water form the soil to the
atmosphere. - answerTranspiration
A __________ _________ is the stock of different genes in an interbreeding population.
- answerGene Pool
What is the primary function of bone marrow in humans? - answerIt is the source of new
blood cells
_________________________ is the formation of all cells of the blood and it occurs in
the bone marrow. - answerHematopoiesis
When the concentration of glucose in the blood increases, the beta cells of the
pancreas secrete_______________. This causes the uptake of glucose from the blood
cells of the body, especially by the liver, skeletal muscle, and adipose cells. -
answerInsulin
A scientific _____________ is a statement that explains a natural phenomenon or other
aspects of the natural world and is supported by large body of evidence. They serve as
the basis for new hypothesis and experiments. - answerTheories
What are some examples of scientific theories? - answer- Evolutionary adaptations
arise by natural selection
- The number of species on a island is determined by an equilibrium between the rates
of immigration and extinction.
What does the process of newly synthesized messenger RNA molecule in a eukaryotic
cell involve? - answerThe addition of a poly-A tail to one end of the molecules.
What term described the collective interactions of turtles, insects, frogs, birds, and water
plants that in live in and around the same pond? - answerCommunity
Which scientific theory was/is supported by the observation that mitochondria are
enclosed by a double membrane and have their own genomes? - answerEndosymbiotic
Theory
