What structures are used by bacteriophages to attach to host cell receptors?
A. nucleic acids
B. tail fibers
C. viral sheaths
D. capsid heads
Select your answer:
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Enzymes and Digestion Branches of Medicine Plant Biotechnology Pathology of Respiratory System Hematology / Oncology Psychology, Psychiatry, & Social Work Food Microbiology Musculoskeletal Fitness CNA Introduction Body Fluids Human Body Systems Pharmacology Vitamins Nerve Injuries in Oral & Maxillofacial Surgery Physical Education GeneticsOther quiz:
Neuroanatomy › ViewWhich of the following is an example of a spinal reflex arc?
A. Reacting emotionally to a sad story
B. Deciding to move your hand away from a dangerous object
C. Voluntarily reaching for an object on a table
D. Withdrawing your hand from a hot stove
Bacteria & Viruses › View
What happens after the second time you are exposed to a pathogen?
A. The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.
B. The body’s immune system will react the same was as it did during the first exposure.
C. The body can only be exposed to a pathogen a second time if you do not have a vaccine.
D. The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.