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TLS Online TPP Program

#Question id: 4582

 Fossils found in strata reveal that ________.

#XL - S Microbiology

  1. older strata carry fossils that differ greatly from living organisms

  2. geologic changes occur quickly on Earth

  3. unused body parts decrease in size

  4. innate drive to complexity of life

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TLS Online TPP Program

#Question id: 3862

#XL - Q Biochemistry

The largest gene characterized to date is:
TLS Online TPP Program

#Question id: 3863

#XL - Q Biochemistry

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 3868

#XL - Q Biochemistry

The sigma factor of E. coli RNA polymerase: 
TLS Online TPP Program

#Question id: 3879

#XL - Q Biochemistry

Which of the following is not usually essential for the catalytic activity of ribozymes?
TLS Online TPP Program

#Question id: 3880

#XL - Q Biochemistry

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?
TLS Online TPP Program

#Question id: 3882

#XL - Q Biochemistry

The reverse transcriptase of an animal RNA virus catalyzes: