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TLS Online TPP Program

#Question id: 5211

Why might the cricket genome have 11 times as many base pairs than that of Drosophila melanogaster?

#Unit 11. Evolution and Behavior

  1. The two insect species evolved at very different geologic eras.

  2. Crickets have higher gene density.

  3. Drosophila are more complex organisms.

  4. Crickets must have more non-coding DNA.

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TLS Online TPP Program

#Question id: 28340

#Unit 5. Developmental Biology

Which of the following gene is specify the characteristic structures of each segment?
TLS Online TPP Program

#Question id: 3859

#Unit 3. Fundamental Processes

Polyadenylation is:
TLS Online TPP Program

#Question id: 12564

#Unit 10. Ecological Principles

A prime factor promoting the adaptive radiation of Darwin's finches on the Galapagos Islands was the
TLS Online TPP Program

#Question id: 7291

#Unit 5. Developmental Biology

Five different genes are known to specify floral organ identity in Arabidopsis: APETALA1 (AP1), APETALA2 (AP2), APETALA3 (AP3), PISTILLATA (PI), and AGAMOUS (AG).

Which one of the following statement is incorrect?
TLS Online TPP Program

#Question id: 11430

#Unit 2. Cellular Organization

For GLUT1 in the human erythrocyte membrane, the Km for glucose transport is 1.5 mM. Thus when the extracellular glucose concentration is 1.5 mM, roughly half the GLUT1 transporters with outward-facing binding sites will have a bound glucose, and transport will occur: