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ATI TEAS 7 Practice Questions and Answers
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ATI TEAS 7PRACTICE
QUESTIONS AND
ANSWERS.
, ATI TEAS 7 PRACTICE
QUESTIONS AND ANSWERS.
1) 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
2) Which of the following would have the most dramatic effect in changing the reaction rate?
a. Decreasing the temperature by two-fold
b. Increasing the pressure by two-fold c.
d. Decreasing
Decreasingthe
theactivation energy
concentration of by three-fold
reactants by two-fold
3) Group one in the periodic table has valence electrons and is reactive than Group two. a.
Zero; more
b. Zero;
less less c. One;
d. One; more
4) Enzymes are created from amino acid chains. As such, what might prevent the action of an enzyme?
a. A pH close to 7
b. A high temperature
c. The lack of hydrogen ions in solution
d. A lack of ATP in the cell
5) If a scientists want to determine the rate at which an enzyme works, what could he or she
measure?
a. The rate at which the enzyme is degraded
b. The rate at which the product disappears
c. The rate at which the reactants disappear d. The rate at which the products appears
6) The rate of a chemical reaction depends on all of the following except
a. Surface area
b. Temperature
, c. Presence of
catalysts d. Amount of
mass lost
7) 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?
a. Boyle’s Law
b. Ideal Gas Law
c. Charles’ Law
d. Stefan-Boltzmann Law
8) Prokaryotic and eukaryotic cells
are similar in a. Integral membrane proteins in the plasma membrane having which of
the following?
b. Presence of a nucleus
c. Membrane-bound organelles
d. Protein-studded DNA
9) Blood cells that are responsible for transportation of oxygen are called
a. Leukocytes
b. Thrombocyte
s c. Erythrocytes d.
Plasma cells
10) What is another name for the Adam’s Apple?
a. Vocal box
b. Thyroid cartilage
c. Cricoid cartilage
d. Hyoid bone
11) When exhaling, the diaphragm
a. Relaxes
b. Contracts
c. Moves down and in
d. Stays in the same position
, 12)Which of the following correctly lists the cellular hierarchy from the simplest to most complex
structure?
a. Tissue, cell, organ, organ system, organism
b. Organism, organ system, organ, tissue, cell
c. Organ system, organism, organ, tissue, cell d. Cell, tissue, organ, organ system,
organism
13) If a cell is placed in a hypertonic solution, what will happen to the cell?
a. It does not affect the cell
b. It will swill
c. It will stay the
d. It will shrink
same
Hypertonic solution is a solution with a higher particle concentration and lower water content outside the
cell. Water moves from the cell to the solution, losing water and shrinking.
14) What is the longest phase of the cell cycle?
a. Cytokinesi s
b.
Interphase
c. Metaphase
d. Mitosis
15) B = alleles for brown eyes; g = alleles for green eyes
B g
B Bg Bg g
Bg gg
What word describes the allele for green eyes?
a. Heterozyg
ous
b. Dominan
t c.
Recessive
d. Homozygous
i. Recessive alleles are represented by lower case letters
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