TLS Online TPP Program

#Question id: 2613


If increasing the number of trp codon,

#Unit 2. Cellular Organization
  1. It will give the signal to synthesis more trp,

  2. Hold ribosome on to the region number one

  3. It will decrease the synthesis of trp operon

  4. Only A & B

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TLS Online TPP Program

#Question id: 4698

#Unit 11. Evolution and Behavior

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that

TLS Online TPP Program

#Question id: 4658

#Unit 11. Evolution and Behavior

Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same function. Which information would best help distinguish between an explanation based on homology versus one based on convergent evolution?

TLS Online TPP Program

#Question id: 4657

#Unit 11. Evolution and Behavior

 Which of the following statements most detracts from the claim that the human appendix is a completely vestigial organ?

TLS Online TPP Program

#Question id: 4656

#Unit 11. Evolution and Behavior

Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?

TLS Online TPP Program

#Question id: 4655

#Unit 11. Evolution and Behavior

Over evolutionary time, many cave-dwelling organisms have lost their eyes. Tapeworms have lost their digestive systems. Whales have lost their hind limbs. How can natural selection account for these losses?

TLS Online TPP Program

#Question id: 4654

#Unit 11. Evolution and Behavior

Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, these bones having developed from very similar embryonic tissues. How do biologists interpret these similarities?