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TLS Online TPP Program

#Question id: 4007

Of the following statements about the different types of eukaryotic RNA, which one is true?

#Unit 3. Fundamental Processes

  1. Over 80% of cellular RNA is ribosomal, yet most newly synthesized RNA is mRNA.

  2. The genes for rRNA and tRNA occur in clusters, whereas most genes for mRNA do not.

  3. All three types of RNAs are processed before reaching their mature form.

  4. All of the above statements are true.

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TLS Online TPP Program

#Question id: 12228

#Unit 10. Ecological Principles

Which of the following examples best describes an ecological community?
TLS Online TPP Program

#Question id: 2285

#Unit 2. Cellular Organization

Assuming all other factors to be the same, electron microscopes have greater resolving power than light microscopes because.
TLS Online TPP Program

#Question id: 12467

#Unit 10. Ecological Principles

Review the formula for effective population size. Imagine a population of 1,000 small rodents. Of these, 300 are breeding females, 300 are breeding males, and 400 are nonbreeding  juveniles.  What is the effective  population size?
TLS Online TPP Program

#Question id: 28209

#Unit 5. Developmental Biology

 Morphogens can be___

a) intrinsic factor

b) transcription factors

c) paracrine factors

d) Endocrine factor
TLS Online TPP Program

#Question id: 8693

#Unit 9. Diversity of Life Forms

Given that phylogenies are based on shared derived characteristics, which of the following traits is useful in generating a phylogeny of species W, X, Y, and Z