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TLS Online TPP Program

#Question id: 4127

Which one of the following statements about ribosomes is true?

#Molecular Biology

  1. The large subunit contains rRNA molecules, the small subunit does not.

  2. The RNA in ribosomes plays a structural, not catalytic, role.

  3. There are about 25 of them in an E. coli cell.

  4. There are two major subunits, each with multiple proteins.

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TLS Online TPP Program

#Question id: 11450

#Physiology

 The conversion of a stimulus into an action potential by a receptor cell is called ________.
TLS Online TPP Program

#Question id: 11451

#Physiology

Immediately after putting on a shirt, your skin might feel itchy. However, this perception soon fades due to ________.
TLS Online TPP Program

#Question id: 11452

#Physiology

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.
TLS Online TPP Program

#Question id: 11453

#Physiology

Which type of receptor would you expect to be most abundant in the antennae of a moth?
TLS Online TPP Program

#Question id: 11454

#Physiology

The structure of the mammalian middle ear is adapted to convert ________.
TLS Online TPP Program

#Question id: 11455

#Physiology

Statocysts contain cells that are ________.