Practice Questions

TLS Online TPP Program

#Question id: 772

MicroRNAs:

#SCPH05 I Biotechnology

are specific for a promoter on one specific gene;
are specific for many different promoters on many different genes;
have a specific site on a single specific mRNA;
have a specific site on many different mRNAs.

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TLS Online TPP Program

#Question id: 11968

#SCPH28 | Zoology

Upon activation by stomach acidity, the secretions of the parietal cells ________.

TLS Online TPP Program

#Question id: 11969

#SCPH28 | Zoology

What is the importance of the mucus that are released by salivary glands?

TLS Online TPP Program

#Question id: 11970

#SCPH28 | Zoology

Why do the cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms?

TLS Online TPP Program

#Question id: 11971

#SCPH28 | Zoology

Over-the-counter medications for acid reflux or heartburn block the production of stomach acid. Which of the following cells are directly affected by this medication?

TLS Online TPP Program

#Question id: 11972

#SCPH28 | Zoology

The active ingredient orlistat acts to decrease the amount of fat that is absorbed by attaching to enzymes that digest fat. Which of the following are potential targets of orlistat?

TLS Online TPP Program

#Question id: 11973

#SCPH28 | Zoology

The digestion of ________ begins in the stomach.