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TLS Online TPP Program

#Question id: 4313

Which of the following statements best describes the characteristics of siRNA?

#Unit 3. Fundamental Processes

  1. a double-stranded RNA, one of whose strands can complement and inactivate a sequence of mRNA

  2. a single-stranded RNA that can, where it has internal complementary base pairs, fold into cloverleaf patterns

  3. a double-stranded RNA that is formed by cleavage of hairpin loops in a larger precursor

  4. a portion of rRNA that allows it to bind to several ribosomal proteins in forming large or small subunits

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TLS Online TPP Program

#Question id: 11953

#Unit 7. System Physiology – Animal

Which of the following is a difference between vitamins and minerals?
TLS Online TPP Program

#Question id: 11954

#Unit 7. System Physiology – Animal

Folic acid supplements have become especially important for pregnant women because ________.
TLS Online TPP Program

#Question id: 11955

#Unit 7. System Physiology – Animal

The process of obtaining food is known as ________ and requires specialized feeding mechanisms.
TLS Online TPP Program

#Question id: 11956

#Unit 7. System Physiology – Animal

An advantage of a complete digestive system over a gastrovascular cavity is that the complete system ________.
TLS Online TPP Program

#Question id: 11957

#Unit 7. System Physiology – Animal

Because the foods eaten by animals are often composed largely of macromolecules, animals need to have mechanisms for ________.
TLS Online TPP Program

#Question id: 11958

#Unit 7. System Physiology – Animal

Fat digestion yields fatty acids and glycerol, whereas protein digestion yields amino acids; both digestive processes ________.