Physics
What is the MOST common term for the type of energy that is most directly related to the energy of atoms, molecules and other small particles that are in random motion within a system?
Thermal
Which of the following molecules has a double covalent bond?
W) hydrogen
X) oxygen
Y) nitrogen
Z) methane
OXYGEN
Which of the following BEST describes what the term virulence means:
W) the specificity of a virus to cause disease in a certain host
X) the ability of a microbe to cause cellular damage
Y) any transmissible disease caused by a microbe
Z) the degree to which a microbe causes disease or harm to its host
Z) THE DEGREE TO WHICH A MICROBE CAUSES DISEASE OR HARM TO ITS HOST
A hexadecimal number is a numeral system with a base of what?
16
In electrochemical cells, what is the most common term for the electrode that acts as the negative electrode?
Cathode
What is the name for the most malleable and ductile metal which can be dissolved in aqua regia but is unaffected by air and most other reagents?
GOLD
What is the MOST common term for the division of a somatic cell into 2 nucleated cells following of mitosis?
CYTOKINESIS
Convert a pressure of 1.2 atmospheres into millimeters mercury.
912mmHg
What lepton was the first to be discovered?
ELECTRON
A beaker of concentrated aqueous ammonia is placed next to a beaker of concentrated aqueous hydrochloric acid at room temperature. After a short while, a white cloud forms between the beakers. This is a demonstration of:
W) effusion
X) diffusion
Y) efflorescence
Z) effervescence
X) DIFFUSION
What is the anticodon on a tRNA for AAA
UUU
Which of the following cloud types is classified as a low cloud?
W) altostratus
X) cirrostratus
Y) cumulonimbus
Z) nimbostratus
Z) NIMBOSTRATUS
If the speed of sound in a certain medium is 360 meters per second, what is the wavelength, in meters, of a sound-wave that has a frequency of 60 hertz?
wavelength = speed/f; = 360/60 = 6 meters
6
What is the molarity of a sodium hydroxide solution made by dissolving 4 grams NaOH in 250 milliliters of water?
0.4
Name all of the following 4 plants that have their seeds typically dispersed by wind: dandelion; milkweed; maize; lupine
DANDELION; MILKWEED
The lush forest of the Pacific northwest is classified as what type of rain forest?
TEMPERATE
Which of the following is the most common instrument used for measuring gas pressure:
W) manometer
X) anemometer
Y) tensitometer
Z) flow-meter
W) MANOMETER
Which of the following is an element that is very important to human life, is contained in vitamin B-12, belongs to a group of transition metals, and has magnetic properties like iron:
W) selenium
X) cobalt
Y) zinc
Z) manganese
COBALT
What is the common name for the product of human lachrymal glands?
Tears
The main asteroid belt is located immediately between what two planets?
MARS AND JUPITER