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TLS Online TPP Program

#Question id: 4362

How are bacteria able to change their patterns of protein synthesis so quickly in response to environmental changes?

#Unit 3. Fundamental Processes

  1. mRNAs that are produced are short-lived and degraded within a few minutes of being synthesized.

  2. mRNA have long lifespans, allowing the bacteria to use them many times for translation.

  3. mRNA is stored for later use.

  4. Operons are activated in the presence of transcription factors.

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TLS Online TPP Program

#Question id: 16142

#Unit 4. Cell Communication and Cell Signaling

Stem cells are defined by two capacities:
(1) the ability to regenerate or “self-renew” and
(2) the ability to differentiate into all diverse cell types. Embryonic stem cells have the capacity to generate every specialized cell type in an organism, in other words,
TLS Online TPP Program

#Question id: 7095

#Unit 5. Developmental Biology

Which of the following, first discovered through mutagenesis studies in Drosophila, also function in the development of mammals like us?

a) hedgehog

b) homeobox genes

c) the Wnt family

d) the Toll signaling pathway

Which of the following combination is correct?
TLS Online TPP Program

#Question id: 10745

#Unit 10. Ecological Principles

Releasers may be ____________.
TLS Online TPP Program

#Question id: 26416

#Unit 3. Fundamental Processes

Mut System and Mutational pairing is given match then correctlly
TLS Online TPP Program

#Question id: 15296

#Unit 5. Developmental Biology

Match the following

Which one of the following is correct combination?