TLS Online TPP Program

#Question id: 7105


The "default model" for neural tissue formation states that

#Unit 5. Developmental Biology
  1. No mechanism is required to form nervous tissue in the embryo; it forms unless signals direct development of epidermal tissue.
  2. Neural tissue formation is the default state, such that special induction is required to form mesoderm, endoderm and epidermis, but not neurectoderm.
  3. Neurectoderm formation is inhibited by the BMP proteins present throughout the early embryo, and this inhibition is relieved by BMP antagonists from the organizer, such as chordin
  4. The induction of neural tissue is the default state in embryos, and all other inductions are special.
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TLS Online TPP Program

#Question id: 16314

#Unit 7. System Physiology – Animal

What is Stress response?

TLS Online TPP Program

#Question id: 20541

#Unit 12. Applied Biology

Why do bacteria oxidize BTEXs and other organic pollutants?

TLS Online TPP Program

#Question id: 12469

#Unit 10. Ecological Principles

A population of strictly monogamous swans consists of 40 males and 10 females. What is the effective population size (ne) for this population?

TLS Online TPP Program

#Question id: 9283

#Unit 6. System Physiology – Plant

Organization of the protein complexes the photosystems I and II Are spatially separated in the thylakoid membrane, choose the correct arrangement of PSI and PSII on the membrane ;

a.) The PSI reaction centre and its associated antenna pigments and electron transfer proteins, as well as the coupling-factor enzyme that catalyzes the formation of ATP, are found almost exclusively in the stroma lamellae and at the edges of the grana lamellae

b.) The PSI reaction centre, along with its antenna chlorophylls and associated electron transport proteins, is located predominantly in the stromal lamellae

c.) The PSII reaction centre and its associated antenna pigments and electron transfer proteins, as well as the coupling-factor enzyme that catalyzes the formation of ATP, are found almost exclusively in the stroma lamellae and at the edges of the grana lamellae

d.) The PSII reaction centre, along with its antenna chlorophylls and associated electron transport proteins, is located predominantly in the grana lamellae

Which of the following given combination correct?

TLS Online TPP Program

#Question id: 1360

#Unit 4. Cell Communication and Cell Signaling

Plasmodesmata of plant cells have .........in common with gap junctions in animal cells, but have .......... that gap junctions lack.