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TLS Online TPP Program

#Question id: 494

Which of the following statements about the pentose phosphate pathway is correct?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. It generates 36 mol of ATP per mole of glucose consumed.

  2. It generates 6 moles of CO2 for each mole of glucose consumed

  3. It is a reductive pathway; it consumes NADH.

  4. It provides precursors for the synthesis of nucleotides.

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TLS Online TPP Program

#Question id: 27119

#Unit 4. Cell Communication and Cell Signaling

There is a difference between normal cell proliferation and tumor cell proliferation; (N=nucleus, C=cytoplasm)
TLS Online TPP Program

#Question id: 8714

#Unit 9. Diversity of Life Forms

The reason that paralogous genes can diverge from each other within the same gene pool, whereas orthologous genes diverge only after gene pools are isolated from each other, is that ________.
TLS Online TPP Program

#Question id: 12510

#Unit 8. Inheritance Biology

In this pedigree I 1 and II 2 have Becker muscular dystrophy which shows X-linked recessive inheritance. III 2 has oculocutaneous albinism which shows autosomal recessive inheritance with an incidence in the general population of 1 in 10 000. The disease status for both Becker muscular dystrophy and oculocutaneous albinism is unknown for IV 1 and IV 2.
What is the probability that IV 2 will be affected with Becker muscular dystrophy?
TLS Online TPP Program

#Question id: 17805

#Unit 9. Diversity of Life Forms

Gymnosperms and angiosperms have the following in common except 
TLS Online TPP Program

#Question id: 3780

#Unit 3. Fundamental Processes

If a cell were unable to produce histone proteins, which of the following results would be a likely effect on the cell?