This substance that can elicit an immune response is?
What is an antigen?
200
This cell type makes antibodies
What are B cells?
200
Rod shaped bacteria are called this
What is Bacilli?
200
The use of organisms to remove pollutants from soil, air, or water is called this
What is Bioremediation?
200
Absorption of water is a major function of the?
What is the colon?
200
The only way to move a solute across its gradient is by
What is active transport?
300
This enzyme is used to make a copy of HIV's RNA genome into proviral DNA
What is Reverse Transcriptase?
300
These external structures allow bacteria to stick to their substrate or to each other
What is flagella and the capsule?
300
MRI technology takes advantage of this is water molecules
What is the behavior of hydrogen atoms in water molecules?
300
This type of muscle tissue is responsible for voluntary actions
What is the skeletal tissue?
400
HIV binds to this structure on the T cell
What is CD4?
400
Some prokaryotes can withstand harsh conditions by forming this, which is also referred to as "a cell within a cell" with a thick protective coat
What is an endospore?
400
This is how a pacemaker operates
What is the signal for the heart to beat starts in the pacemaker, is spread to the ATRIA, is picked up by the AV node, and conveyed to the apex of the heart (then spread to the ventricles)
400
Epithelial tissues cover this
What is both external and internal body surfaces?
500
A chain of several spherical bacteria would be called this
What is streptococci?
500
Prokaryotic DNA is found in these forms
What is a circular chromosome and smaller rings of DNA called plasmids?
500
All are functions of the liver except:
Removes excess glucose from blood
Synthesizes lipoproteins
Synthesizes insulin
Synthesizes blood clotting proteins
Modifies & detoxifies alcohol
The liver does NOT
Synthesize insulin
500
How many molecules of oxygen can be carried on one hemoglobin molecule?