TEAS 7 Science (Latest
2024February exam/60
Questions with 100% Correct
Solutions/A+ Rated
If a portion of a strand of DNA bases reads 5' AGCTAGCGT 3', what
would the sequence of bases on the complementary strand read? - -3'
TCGATCGCA 5'
-Which of the following elements has the smallest atomic radius? - -C
-Which of the following substances is excreted by sweat glands in
response to the breakdown of proteins and the formation of ammonia? -
-urea
-Which of the following processes causes most of the carbon dioxide
from the blood to move into the alveoli? - -diffusion down a
concentration gradient
-In a plant in which fuzzy leaves (F) are dominant over smooth leaves
(f), which of the following crosses will produce only off spring with
smooth leaves? - -ffxff
-Which of the following is the approximate threshold value for
mammalian neurons? - --55mV
-In a certain plant, red flowers are dominant over white flowers. A plant
Heterozygous for red flowers and a plant with white flowers are crossed.
Which of the following is the expected proportion of phenotypes in the
next generation? - -4 red, 0 white
-Which of the following are two major part of the nervous system? - -
peripheral and central nervous system
-Which of the following statements best supports the hypothesis that
virus can cause
cancer? - -Genes that regulate cell division are found in some viruses
-Testosterone is categorized as which of the following types of
hormones? - -Androgen
-Which of the following is the main function of centrosomes in animal
cells? - -Microtubule organization
, -Which of the following type of cell produce and release antibodies? - -
Plasma B cells
-Which of the following is the structure through which blood exits the
glomerulus? - -efferent arteriole
-To separate genomic DNA fragments by size, which of these laboratory
methods is most useful? - -electrophoresis
-Which of the following allows AIDS virus, which contains RNA, to insert
viral DNA into the DNA of a host T cell after the AIDS virus enters the
cells? - -Reverse transcriptase, an enzyme encoded by the virus
-The following diagram summarizes the carbonic acid ion buffer system
of the blood?
CO2 + H2O ++ H2CO3 ++ HCO3 + H+ - -HCO3 + H+ —> H2CO3
-Which of the following describes the process by which solid carbon
dioxide (dry ice) turns directly into carbon dioxide gas? - -sublimation
-Which of the following describes why water has a concave, or
downward-curving, meniscus when poured in a glass beaker? - -The
adhesive forces with the glass are greater than the cohesive forces
-Which of the following actions does a hydrophilic hormone takes to
activate a target cell? - -the hormone binds to the cell surface receptors
of the target cell
-Which of the following best describes adaptive immunity? - -A
response to specific traits of specific pathogens
-Permanent damage to which of the following types of tissues in the
spinal cord will cause paralysis? - -nervous tissue
-Which of the following describes the function of tendons? - -Tendons
attach skeletal muscles to bones
-Histones are proteins associated with which of the following? - -DNA
-The shortening of a sarcomere in skeletal muscle is directly due to the
interactions of which of the following? - -Myosin and actin
-Which of the following occurs during inhalation? - -The diaphragm
moves downward
-Which of the following structures is a flap of cartilage that prevents the
movement of food into the trachea? - -epiglottis
2024February exam/60
Questions with 100% Correct
Solutions/A+ Rated
If a portion of a strand of DNA bases reads 5' AGCTAGCGT 3', what
would the sequence of bases on the complementary strand read? - -3'
TCGATCGCA 5'
-Which of the following elements has the smallest atomic radius? - -C
-Which of the following substances is excreted by sweat glands in
response to the breakdown of proteins and the formation of ammonia? -
-urea
-Which of the following processes causes most of the carbon dioxide
from the blood to move into the alveoli? - -diffusion down a
concentration gradient
-In a plant in which fuzzy leaves (F) are dominant over smooth leaves
(f), which of the following crosses will produce only off spring with
smooth leaves? - -ffxff
-Which of the following is the approximate threshold value for
mammalian neurons? - --55mV
-In a certain plant, red flowers are dominant over white flowers. A plant
Heterozygous for red flowers and a plant with white flowers are crossed.
Which of the following is the expected proportion of phenotypes in the
next generation? - -4 red, 0 white
-Which of the following are two major part of the nervous system? - -
peripheral and central nervous system
-Which of the following statements best supports the hypothesis that
virus can cause
cancer? - -Genes that regulate cell division are found in some viruses
-Testosterone is categorized as which of the following types of
hormones? - -Androgen
-Which of the following is the main function of centrosomes in animal
cells? - -Microtubule organization
, -Which of the following type of cell produce and release antibodies? - -
Plasma B cells
-Which of the following is the structure through which blood exits the
glomerulus? - -efferent arteriole
-To separate genomic DNA fragments by size, which of these laboratory
methods is most useful? - -electrophoresis
-Which of the following allows AIDS virus, which contains RNA, to insert
viral DNA into the DNA of a host T cell after the AIDS virus enters the
cells? - -Reverse transcriptase, an enzyme encoded by the virus
-The following diagram summarizes the carbonic acid ion buffer system
of the blood?
CO2 + H2O ++ H2CO3 ++ HCO3 + H+ - -HCO3 + H+ —> H2CO3
-Which of the following describes the process by which solid carbon
dioxide (dry ice) turns directly into carbon dioxide gas? - -sublimation
-Which of the following describes why water has a concave, or
downward-curving, meniscus when poured in a glass beaker? - -The
adhesive forces with the glass are greater than the cohesive forces
-Which of the following actions does a hydrophilic hormone takes to
activate a target cell? - -the hormone binds to the cell surface receptors
of the target cell
-Which of the following best describes adaptive immunity? - -A
response to specific traits of specific pathogens
-Permanent damage to which of the following types of tissues in the
spinal cord will cause paralysis? - -nervous tissue
-Which of the following describes the function of tendons? - -Tendons
attach skeletal muscles to bones
-Histones are proteins associated with which of the following? - -DNA
-The shortening of a sarcomere in skeletal muscle is directly due to the
interactions of which of the following? - -Myosin and actin
-Which of the following occurs during inhalation? - -The diaphragm
moves downward
-Which of the following structures is a flap of cartilage that prevents the
movement of food into the trachea? - -epiglottis
