What is the most inner layer of the Earth?
The Inner Core
The person who created the Periodic table?
Dmitri Mendeleev
What is the largest and most prominent organelle; stores DNA
The Nucleus
What substance is the most common moderator used in nuclear reactors world-wide?
water (h2o)
5x5+5-5=
25
Giving your answer as crescent, quarter, half, or full, an inferior planet will be in what phase when at inferior conjunction with Earth?
crescent
Which of the following best explains the benefit of adding a solution of ethylene glycol, or antifreeze, to the radiator of a car:
W) lowers the freezing point and raises the boiling point
X) raises the freezing point and raises the boiling point
Y) lowers the freezing point and lowers the boiling point
Z) raises the freezing point and lowers the boiling point
W) lowers the freezing point and raises the boiling point
Which of the following is NOT true of ribosomes:
W) they help translate mRNA into protein
X) they are too small to be seen with a compound light microscope
Y) they are about 20 nanometers in diameter
Z) bacterial and eukaryotic ribosomes are identical in shape and size
Z) bacterial and eukaryotic ribosomes are identical in shape and size
Free 200 points
(cick show correct answer for side contest)
Another free 200 points if you name the weirdest fact you know and win this side competition
6+7-5x6=
-16
The Sun’s tide-generating force is about:
W) one-half that of the Moon
X) twice that of the Moon
Y) one-fourth that of the Moon
Z) 4-times that of the Moon
W) one-half that of the Moon
If the cost of electricity is 12-cents per kilowatt hour, how much does it cost to run a 100-watt light bulb for 10 hours?
12 cents
Which of the following organelles would be most abundant in cells that are producing large amounts of ATP through oxidative metabolism:
W) smooth ER
X) rough ER
Y) mitochondria
Z) lysosomes
Y) mitochondria
Metallic bonding accounts for all but which of the following physical characteristics of metals:
W) strength
X) ductility
Y) high electrical conductivity
Z) poor thermal conductivity
Z) poor thermal conductivity
The temp of the soup is 60 if the chef add 75 thing that lower the temp by 1 degree what is the new soup temp?
(Show the problem with negative for an extra 100 points)
60+(-75)= -5
Sometimes compared to a slow-moving glob of toothpaste extruding from a tube of toothpaste, which of the following has formed several times within the crater Mount Saint Helens since its 1980 eruption:
W) lava domes
X) cinder cones
Y) flood basalts
Z) spatter cones
W) lava domes
If the half-life of a given isotope is 7 days, what fraction of the original isotope will be left after 14 days?
Which of the following is considered the dominant generation in flowering plants:
W) hypocotyl
X) sporophyte
Y) gametophyte
Z) anthophyte
X) sporophyte
Leucine and isoleucine are both:
W) essential amino acids
X) fatty acids
Y) complex carbohydrates
Z) essential minerals
W) essential amino acids
How many combinations are there of 8 things taken 6 at a time?
28
If you get this right you get 600 points
(Solution: 8 C6 = (8·7·6·5·4·3)/(6·5·4·3 ·2·1) = 28)
Which of the following is an example of a mountain range that was primarily formed by a process of fault-blocking:
W) the Grand Tetons, Wyoming
X) the Andes Mountains
Y) the Himalayas
Z) the Hawaiian Islands
W) the Grand Tetons, Wyoming
Which of the following would be the most logical choice for neutralizing a small amount of basic sodium hydroxide that was spilled on a lab bench:
W) citric acid
X) mercury pillow
Y) concentrated sulfuric acid
Z) concentrated hydrochloric acid
W) citric acid
How many carbon dioxide molecules are released in each turn of the Citric Acid Cycle?
2
Which of the following is a type of star that is extremely useful in measuring large distances across the universe and led to the discovery that the universe is much bigger than just our Milky Way galaxy:
W) eclipsing binaries
X) Wolf-Rayets
Y) Cepheid variables
Z) neutrons
Y) Cepheid variables
1+3+6-(8-6-44)+111-99x4=
-233