Herceptin is an example of an immune therapy

A. that works by attaching a radioactive atom to cancer cells
B. that blocks the binding of a growth factor to a receptor
C. that acts like a vaccine
D. that identifies cells destined to undergo apoptosis


Ans: B. that blocks the binding of a growth factor to a receptor

Biology & Microbiology

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The ____, which includes the sharks, skates, and rays, are unique in possessing skeletons made of _____

A. Chondrichthyes; cartilage B. Coelocanths; cartilage C. Osteichthyes; calcium carbonate D. Chondrichthyes; silica E. Osteichtyes; cartilage

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. During inflammation, blood vessels are constricted to prevent leakage. 2. IgA antibodies are involved in innate immunity. 3. PAMP is an enzyme involved in creating immunoglobulin light chains. 4. Most bacteria damage the body by infecting cells, multiplying within cells and killing cells.

Biology & Microbiology

You see an advertisement on the television with a very good looking person showing off a new, shiny, powerful car

You seriously think about buying that particular car. Therefore, the person in the advertisement could best be described asthe:a. sign stimulus. b. operant conditioner. c. imprinter. d. classic conditioner. e. negative reinforcer

Biology & Microbiology

Which of the following whale species are recovering their population numbers as a result of whale harvesting regulations?I-right whalesII-Pacific gray whalesIII-sperm whalesIV-fin whalesV-humpback whales

A. I, II, and V B. I and II C. II and V D. I, II, III, and IV E. I, II, and III

Biology & Microbiology