Alimentary canal definition
begins at mouth, ends at anus... digestive system
A neuron that transmits impulses from receptors to the spinal
... [Show More] cord
sensory neuron
Kinetic energy is at a maximum when the potential energy is...
at a minimum, for example at the bottom of an incline
The more rapid the vibration of sound is, the ____________ the __________ is
higher, pitch
What is the temperature during a phase change from liquid to gas?
Temperature is constant at 100 degrees Celsius per 1 atm
If the temperature rises to 300 degrees Celsius of a gas, the substance would do what?
It would remain a gas.... it would change back to liquid or condense if heat was withdrawn
Neutralization reactions from _____ and _______.
Water and a salt
What organ controls the amount of calcium in the blood?
Parathyroid - Secreted PTH - Calcium low = release calcium - Calcium high = calcium deposits in bone
Celsius to Farenheit equation
9/5 x Celsius + 32
What tells you that a formula is an alcohol?
-OH
If a car's rate of change of velocity is negative, the car is ________.
Slowing down
What type of solution is an alkaline solution?
Basic
What type of facilitation is needed to go down a concentration gradient?
Active transport
Which of these biological processes includes the other 3? a) cell respiration b) Krebs cycle c) ETC d) anaerobic splitting of glucose
Cell respiration - Cell resp begins with splitting glucose. Products enter Krebs cycle and then ETC
In the classification of 2 organisms, which of the following is the best evidence of a close relationship? a) # and arrangement of bones b) similar sequence of AA and proteins c) similar methods of sexual reproduction d) similar methods of cell respiration
b) similar sequence of AA and proteins
Bending of light
Refraction
What makes up proteins?
Amino Acids
Einsteins equation E=mc^2.... what does c represent?
c = speed of light
More energy is used pushing an object up an inclined plane than lifting the box straight up. Why is this?
work is done against friction in pushing the box. Energy goes into counteracting friction
Tip of crest to tip of crest in a wave is called
wavelength
Most of the work done by the human kidney occurs in the
nephron
Where is food stored in a growing embryo of a bean seed?
The endosperm... large area inside the embryo
In NaCl(aq), the solvent is __________.
Water. Because (aq) implies that NaCl will be put into water
What turns starch blue-black?
Lugol's solution
Ohm's law is the study of ___________.
Electricity
What temperature cannot occur?
Anything below 0 Kelvin
What organisms are Protists?
fungi, ferns, mollusks
What is a half life?
One half life is the amount of time it takes for one half of the mass of a sample of radioactive substance to decay. Ex) Half life is 20 years for 12g. in 20 years.... 12/2 = 6g... in 40 years..... 6/2=3g
Isotopes contain a different number of __________. But they have the same atomic number.
Neutrons
What makes up the atomic mass?
Protons and Neutrons
What makes up the atomic number?
Protons and Electrons
If you chew a bland cracker slowly, what will it fast like? And why?
Sweet because the enzyme amylase breaks down starches to sugars
A compound that acts like either an acid or a base
amphoteric - water is an example
What delivers oxygen in the blood?
Red blood cells
What part of the cell regulates intake and outtake from an animal cell?
Plasma membrane
If your gallbladder is removed, what substance will you have the most difficulty digesting?
Fats... the gallbladder stores bile, made up of bile salts which digest and absorb fats
The code of a gene is delivered to the protein producing region of a cell by ____________.
m-RNA
What is the function of a battery?
Changes mechanical energy into electrical energy
What does Benedict's solution test for?
Glucose (sugars) - from clear blue to red for a positive rxn
Atomic number
# of protons
Mass number
# of protons and neutrons
An atom has the same number of _______ and __________.
Protons and electrons
The pitch of a string is affected by
thickness, length, and frequency
Pitch is independent from
amplitude - related to loudness
Which part of a compound microscope adjusts the amount of light?
diaphragm
What term refers to the capacity of a microscope to distinguish between objects that lie close to each other?
resolving power
Equilibrium constant
product of PRODUCTS / product of REACTANTS
Which is a nonmetal? Na, Hg, S, Mn
Sulfur is a nonmetal
Machines cannot _______________ energy
increase - this is due to the conservation of energy
Power Equation
Voltage x current
A 36 W lamp is operated by a 9 v battery. How many amperes of current flow through?
power = voltage x current
36W = 9V x current in amperes
36/9 = 4 amperes
What are the sites of protein synthesis in a cell?
ribosomes - which are located on the rough ER
Aerobic respiration uses ________.
Oxygen - oxygen will be a reactant
What is acetylcholine?
neurotransmitter - sends info from one neuron to the next [Show Less]