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NLN PAX Science
Terms in this set (63)
1 kg of solid X at 10 C and 1kg of solid y at 10 C each absorb 5 joules of heat energy. The final temperatures of X and Y are 15 C and 20 C, respectively. Compared to X,Y must have a lower
A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the persons breath contains
human testes produce
Night blindness in humans is caused by a lack of
Br2 (l) -> Br2 (g)
heat energy is absorbed in which of these phase changes?
Iodized salt is used to prevent a human condition known as
The organ that filters metabolic waste from the blood is the
the atoms of an element with seven valence electrons are most probably classified as
Cell plates are synthesized
The process of nuclear cell division in the cell reproduction of plants differs from mammals. A major difference is that
2Na + Cl2 -> 2NaCl one side balanced no pluses or minus
Which of these equations best illustrates a synthesis reaction
Which of these hydrocarbons is a member of the benzene family?
Which of these organisms use nitrogen directly from the air?
Calorie and Joules
Which of these pairs measures the same quantity?
Which of these processes is responsible for the recorded production of CO2 by yeast cells from sugar solution?
Which of these quantities is most closely associated with an object's inertia?
From tissue, organ, organ system, to organism
Which of these sequences of anatomic organization, from the simplest level to the most complex, is the correct sequence?
Which of these substances contains a nonpolar covalent bond?
Which part of the cell structure controls the passage of materials into and out of the cell?
Which part of the CNS controls voluntary movements?
ruptured platelets release thromboplastin
A person who was in an auto accident has formed a blood clot at the site of injury. One event that can lead to formation of a blood clot is that
120/80 mm Hg
A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these measurements show the normal BP values for a resting adult?
An unknown gas is more dense than air, does not support combustion, and turns limewater solution cloudy. This gas is most probably
evaporation of water from plants
Guard cells which can be found in the leaves of plants are most closely associated with which of these processes?
If a red light passes through a dilute solution of chlorophyll solution, the spectrophotometer will detect what amount of light transmittance of this light?
If the medulla of the brain in a human was damaged, which of these conditions would most likely result?
Boiling in water for 15 minutes
To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If unavailable, the next most effective method to sterilize the instrument would be
mixtures, but not elements or compounds
In varieties of matter, the term heterogeneous may be applied to
Gum tissue surrounding teeth
Periodontitis is an inflammatory condition of the
the bending of a wave around an obstacle is known as
The inherited factors that are transmitted in an organism from generation to generation are called its
Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of
protons and neutrons
which of these particles can only be found in the nucleus of an atom
Which of these is a vector quantity
Instrument used to measure current flowing through a circuit
cell structure that controls the passage of materials into and out of the cell
wash wound continuously with cold running water
Cut finger rather deeply while slicing an apple what should you do?
circuit contains three 3-ohm resistors in series. what is the total resistance of that circuit?
A substance that cannot be broken down into simpler substances
room temperature substance that exists as diatomic molecules
Ductless glands in the human body secrete
increase in first order consumers
If all the second order consumers within an ecosystem where removed, the most likely short-term effect would be
most internal gas exchanges in the human respiratory tract occurs across the capillaries of which of these structures?
Connects muscle to bone
there are fewer cones and a greater concentration of rods for night vision
Nocturnal animals rods and cones in eyes for night vivsion
Watt is a unit of
The atomic number of flourine is 9. How many electrons are contained in the second principle energy level of a flourine atom in the ground state?
full set of genes in an individual
the process known for water passing through a selectively permeable membrane from a region of greater concentration
The system of the human body where meiosis occurs
which of these could be stopped by a sheet of paper
HCl (hydrchloric acid)
Is not an organic compund
Organ system that does not provide for the excretion of substances
Which of these organisms has the most complex digestive system?
process that occurs at a neuromuscular junction
Structures that contain valves to prevent blood from flowing the wrong direction
Long, narrow tube carrying sperm from epididymis to ejaculatory duct
Substance that carries energy within cells and is produced as a result of cellular respiration
substance that speeds up the rate of a chemical reaction
a substance or molecule that participates in a chemical reaction
the energy of motion or movement
Vertical columns on the periodic table
what is the pH of a solutionwhose H+ ion is 1x10-2 mole per liter
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