Biology Praxis 5236 exam with answers
Which of the following terms indicates the ecological role that an organism
plays in a community? - ....🔰VERIFIED ANSWERS.... ✔✔Niche
Which of the following characteristics distinguishes members of the domain
Eukarya from members of the domains Archaea and Bacteria? - ....🔰
VERIFIED ANSWERS.... ✔✔The presence of a nuclear envelope
Valine is typically classified as a hydrophobic amino acid because a valine
molecule has which of the following types of side chains? - ....🔰VERIFIED
ANSWERS.... ✔✔Nonpolar
A teacher asks students to describe how the data collected in an experiment are
typically used as evidence. Which of the following responses is the most
accurate? - ....🔰VERIFIED ANSWERS.... ✔✔"The data are used to support or
reject a hypothesis."
Which of the following biomes is characterized by long winters and short
summers, snow as the predominant form of precipitation, soil that is acidic
and poor in nutrients, and wooded areas made up mostly of evergreen trees
with needlelike leaves? - ....🔰VERIFIED ANSWERS.... ✔✔Boreal forest
One strand of a certain segment of DNA has the following nucleotide
sequence.
5 prime, A G A T G T C C A G T A, 3 prime5′⎯AGATGTCCAGTA⎯3′5′-
AGATGTCCAGTA-3′
,The complementary strand in the same segment of DNA most likely has which
of the following nucleotide sequences? - ....🔰VERIFIED ANSWERS....
✔✔3′⎯TCTACAGGTCAT⎯5′
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 which of the following? - ....🔰VERIFIED ANSWERS.... ✔✔Water
A student uses stationary fans to investigate the effect of wind on water loss by
plants. The student divides the plants into three treatment groups and places
each group in front of a fan. The student sets the fan for each group to one of
three different levels: low, medium, or high. After 24 hours, the student
determines the amount of water that was lost by each plant. To create a bar
graph of the results, the student should make the height of each bar represent
which of the following? - ....🔰VERIFIED ANSWERS.... ✔✔The average water
loss for each treatment group
Interphase is the part of the cell cycle that includes which of the following? -
....🔰VERIFIED ANSWERS.... ✔✔Replication of DNA
A model of secondary succession typically includes which of the following? -
....🔰VERIFIED ANSWERS.... ✔✔Changes in species composition over time
Which TWO of the following are typically present in a bacterial cell but not in
a virus? - ....🔰VERIFIED ANSWERS.... ✔✔Ribosomes
DNA replication machinery
, Wind turbines are used for which of the following activities? - ....🔰VERIFIED
ANSWERS.... ✔✔Generating electricity without burning fossil fuels
The nucleotides of a single strand of DNA are linked together by which of the
following? - ....🔰VERIFIED ANSWERS.... ✔✔Phosphodiester bonds
Which of the following pathways is common to both fermentation and aerobic
cellular respiration? - ....🔰VERIFIED ANSWERS.... ✔✔Glycolysis
In a germinating seedling, the root grows downward into the soil. Which of the
following correctly explains this phenomenon? - ....🔰VERIFIED ANSWERS....
✔✔The root exhibits positive gravitropism.
Which of the following best describes the role of transpiration in the water
cycle? - ....🔰VERIFIED ANSWERS.... ✔✔It moves water from the soil to the
atmosphere.
In which of the following cell types is a mutation most likely to have an impact
on the gene pool of a population? - ....🔰VERIFIED ANSWERS.... ✔✔Sperm
Which of the following actions will best help maintain the diversity and
abundance of organisms in a terrestrial ecosystem? - ....🔰VERIFIED
ANSWERS.... ✔✔Preventing habitat destruction
A population of a certain animal species is found in a protected wildlife
preserve. Which of the following poses the greatest threat to the long-term
survival of the population? - ....🔰VERIFIED ANSWERS.... ✔✔A decrease in
the genetic diversity of the population
Which of the following terms indicates the ecological role that an organism
plays in a community? - ....🔰VERIFIED ANSWERS.... ✔✔Niche
Which of the following characteristics distinguishes members of the domain
Eukarya from members of the domains Archaea and Bacteria? - ....🔰
VERIFIED ANSWERS.... ✔✔The presence of a nuclear envelope
Valine is typically classified as a hydrophobic amino acid because a valine
molecule has which of the following types of side chains? - ....🔰VERIFIED
ANSWERS.... ✔✔Nonpolar
A teacher asks students to describe how the data collected in an experiment are
typically used as evidence. Which of the following responses is the most
accurate? - ....🔰VERIFIED ANSWERS.... ✔✔"The data are used to support or
reject a hypothesis."
Which of the following biomes is characterized by long winters and short
summers, snow as the predominant form of precipitation, soil that is acidic
and poor in nutrients, and wooded areas made up mostly of evergreen trees
with needlelike leaves? - ....🔰VERIFIED ANSWERS.... ✔✔Boreal forest
One strand of a certain segment of DNA has the following nucleotide
sequence.
5 prime, A G A T G T C C A G T A, 3 prime5′⎯AGATGTCCAGTA⎯3′5′-
AGATGTCCAGTA-3′
,The complementary strand in the same segment of DNA most likely has which
of the following nucleotide sequences? - ....🔰VERIFIED ANSWERS....
✔✔3′⎯TCTACAGGTCAT⎯5′
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 which of the following? - ....🔰VERIFIED ANSWERS.... ✔✔Water
A student uses stationary fans to investigate the effect of wind on water loss by
plants. The student divides the plants into three treatment groups and places
each group in front of a fan. The student sets the fan for each group to one of
three different levels: low, medium, or high. After 24 hours, the student
determines the amount of water that was lost by each plant. To create a bar
graph of the results, the student should make the height of each bar represent
which of the following? - ....🔰VERIFIED ANSWERS.... ✔✔The average water
loss for each treatment group
Interphase is the part of the cell cycle that includes which of the following? -
....🔰VERIFIED ANSWERS.... ✔✔Replication of DNA
A model of secondary succession typically includes which of the following? -
....🔰VERIFIED ANSWERS.... ✔✔Changes in species composition over time
Which TWO of the following are typically present in a bacterial cell but not in
a virus? - ....🔰VERIFIED ANSWERS.... ✔✔Ribosomes
DNA replication machinery
, Wind turbines are used for which of the following activities? - ....🔰VERIFIED
ANSWERS.... ✔✔Generating electricity without burning fossil fuels
The nucleotides of a single strand of DNA are linked together by which of the
following? - ....🔰VERIFIED ANSWERS.... ✔✔Phosphodiester bonds
Which of the following pathways is common to both fermentation and aerobic
cellular respiration? - ....🔰VERIFIED ANSWERS.... ✔✔Glycolysis
In a germinating seedling, the root grows downward into the soil. Which of the
following correctly explains this phenomenon? - ....🔰VERIFIED ANSWERS....
✔✔The root exhibits positive gravitropism.
Which of the following best describes the role of transpiration in the water
cycle? - ....🔰VERIFIED ANSWERS.... ✔✔It moves water from the soil to the
atmosphere.
In which of the following cell types is a mutation most likely to have an impact
on the gene pool of a population? - ....🔰VERIFIED ANSWERS.... ✔✔Sperm
Which of the following actions will best help maintain the diversity and
abundance of organisms in a terrestrial ecosystem? - ....🔰VERIFIED
ANSWERS.... ✔✔Preventing habitat destruction
A population of a certain animal species is found in a protected wildlife
preserve. Which of the following poses the greatest threat to the long-term
survival of the population? - ....🔰VERIFIED ANSWERS.... ✔✔A decrease in
the genetic diversity of the population
