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TLS Online TPP Program

#Question id: 8692

Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?

#XL - S Microbiology
  1. Descendant groups (branches) from the same node likely share many derived characters.
  2. A monophyletic group can be properly based on convergent features.
  3. The ancestral group often has all the derived characters of the descendant species.
  4. Shared ancestral characters are excellent traits to use in developing a phylogeny.
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TLS Online TPP Program

#Question id: 2195

#XL - S Microbiology

Which of the following statements about the mobility of membrane components is true?
TLS Online TPP Program

#Question id: 3665

#XL - S Microbiology

Which of the following is true for Tandem-duplication mutations?
TLS Online TPP Program

#Question id: 3682

#XL - S Microbiology

A mutated strain of E. coli replicates DNA normally at 25°C, but replication stops immediately when the temperature is raised to 37°C. Which protein is likely to be non-functional at the higher temperature?
TLS Online TPP Program

#Question id: 11155

#XL - S Microbiology

Nucleic acid sequences that undergo few changes over the course of evolutionary time are said to be conserved. Conserved sequences of nucleic acids
TLS Online TPP Program

#Question id: 5523

#XL - T Zoology

Ectodermal cells condense into placodes that change into