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TLS Online TPP Program

#Question id: 4543

Control of the activator NtrC- In that case, the signal (low ammonia levels) induces a kinase that phosphorylates NtrC. This is type of

A. Indirect signaling

B. Direct signaling

C. Is an example of a signal transduction pathway

#Unit 3. Fundamental Processes

  1. only A

  2. only B

  3. A & C

  4. B & C

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TLS Online TPP Program

#Question id: 18081

#Unit 8. Inheritance Biology

The interaction of selection and inbreeding in determining the incidence of autosomal recessive diseases. Consider a gene in which recessive mutations occur at a rate of 10-5. Assume a selective disadvantage S of 0.4 in homozygotes for the recessive allele. What is the frequency of the recessive allele (q). And calculate the incidence of the disease. Assume random mating.
TLS Online TPP Program

#Question id: 21813

#Unit 12. Applied Biology

Which one of the following sensors measures acceleration and vibration?
TLS Online TPP Program

#Question id: 23033

#Unit 12. Applied Biology

Which of the following process is observed when microalgae growing on a particular substrate can oxidize a second substrate?
TLS Online TPP Program

#Question id: 4946

#Unit 11. Evolution and Behavior

Although absolute distinctions between the ʺmost evolvedʺ protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not
TLS Online TPP Program

#Question id: 7260

#Unit 5. Developmental Biology

There are maternally-determined variations along the animal-vegetal axis that are necessary for normal development in sea urchin. Which of the following statements about regulation in sea urchin embryos is consistent with that fact?