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TLS Online TPP Program

#Question id: 3873

The excision (splicing) of many group I introns requires, in addition to the primary transcript RNA:

#Unit 3. Fundamental Processes

  1. a cytosine nucleoside or nucleotide and a protein enzyme.

  2. a guanine nucleoside or nucleotide (only).

  3. a protein enzyme only.

  4. a small nuclear RNA and a protein enzyme.

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TLS Online TPP Program

#Question id: 3026

#Unit 2. Cellular Organization

Not present in all bacteria, this structure enables those that possess it to germinate after exposure to harsh conditions, such as boiling:
TLS Online TPP Program

#Question id: 5758

#Unit 8. Inheritance Biology

Consider a species with a diploid (2n) number of 28 chromosomes. How many chromosomes would be found in a monoploid body cell?
TLS Online TPP Program

#Question id: 3437

#Unit 11. Evolution and Behavior

Learning in which an associated stimulus may be used to elicit the same behavioral response as the original sign stimulus is called
TLS Online TPP Program

#Question id: 3461

#Unit 11. Evolution and Behavior

the most common way that altruism between related individuals evolves and results from
TLS Online TPP Program

#Question id: 5762

#Unit 8. Inheritance Biology

An individual cell homozygous for a mutant allele of the gene for a human enzyme contains no detectable activity for that enzyme. The mutation is best described as