Glycocalyx is a viscous polymer that is external to the cell wall and composed of polysaccharide, polypeptide, or both. For example: Bacillus anthracis produces a capsule of D-glutamic acid

TLS Online TPP Program

#Id: 9050

#Unit 4. Cell Communication and Cell Signaling

Member of family A of GPCRs -β-adrenergic receptors

Member of family B of GPCRs -glucagon receptor 

Member of family C of GPCRs -glutamate receptor

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#Id: 3301

#Unit 3. Fundamental Processes

DNA lesions that cause large distortions in the helical structure of DNA generally are repaired by the nucleotide-excision system, a repair pathway critical to the survival of all free-living organisms. 

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#Id: 9199

#Unit 11. Evolution and Behavior

Directional Natural selection

Directional selection favors individuals at one extreme of a phenotypic distribution that have greater reproductive success in a particular environment.

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#Id: 5319

#Unit 7. System Physiology – Animal

Reduced Ventricular Ejection

Because the aortic valve is still open, blood continues to be ejected from the left ventricle into the aorta, albeit at a reduced rate.

TLS Online TPP Program

#Id: 5294

#Unit 7. System Physiology – Animal

Pulse pressure is the difference between systolic pressure and diastolic pressure.