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ATI TEAS 7 Practice 270 Questions and Answers 2024/25
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ATI TEAS 7 Practice 270 Questions and Answers 2024/25 ATI TEAS 7 Practice 270 Questions and Answers 2024/25
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ATI TEAS 7 Practice 270 Questions andAnswers 2024/25
Chemical bonding -
a. Uses electrons that are closest to the nucleus of the atoms bonding
b. Always uses electrons from only of the atoms involved
c. Uses all the electrons in all atoms involved
d. Uses the valence electrons of all the atoms involved
d. Uses the valence electrons of all the atoms involved
.
Which of the following would have the most dramatic effect in changing the reaction rate?
Decreasing the temperature by two-fold
Increasing the pressure by two-fold
Decreasing the activation energy by three-fold
Decreasing the concentration of reactants by two-fold
Decreasing the activation energy by three-fold
.
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Brainpower
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Group one in the periodic table has __________ valence electrons and is __________reactive
than Group two.
Zero; more
Zero; less
One; less
One; more
One; less
Enzymes are created from amino acid chains. As such, what might prevent the action of an
enzyme?
A pH close to 7
A high temperature
The lack of hydrogen ions in solution
A lack of ATP in the cell
A high temperature
.
,If a scientists want to determine the rate at which an enzyme works, what could he or she
measure?
The rate at which the enzyme is degraded
The rate at which the product disappears
The rate at which the reactants disappear
The rate at which the products appears
The rate at which the products appears
The rate of a chemical reaction depends on all of the following except
Surface area
Temperature
Presence of catalysts
Amount of mass lost
Amount of mass lost
.
Which of the answer choices provided best defines the following statement?
For a given mass and constant temperature, an inverse relationship exists between the volume
and pressure of a gas?
Boyle's Law
Ideal Gas Law
Charles' Law
Stefan-Boltzmann Law
Boyle's Law
, .
Prokaryotic and eukaryotic cells are similar in having which of the following?
Integral membrane proteins in the plasma membrane
Presence of a nucleus
Membrane-bound organelles
Protein-studded DNA
Integral membrane proteins in the plasma membrane
.
Blood cells that are responsible for transportation of oxygen are called
Leukocytes
Thrombocytes
Erythrocytes
Plasma cells
Erythrocytes
.
What is another name for the Adam's Apple?
Vocal box
Thyroid cartilage
Cricoid cartilage
Hyoid bone
Thyroid cartilage
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