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TLS Online TPP Program

#Question id: 12130

Use the following diagram of a hypothetical food web to answer the following questions. The arrows represent the transfer of food energy between the various trophic levels.

Which letter represents an organism that could be a carnivore?

#Unit 10. Ecological Principles
  1. A
  2. B
  3. C
  4. D
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TLS Online TPP Program

#Question id: 28341

#Unit 5. Developmental Biology

Axis specification especially anterior and posterior axis by maternal effect gene such as___
a) engrailed
b) Bicoid 
c) Gurken protein 
d) Torpedo receptor
e) Nanos
TLS Online TPP Program

#Question id: 14842

#Unit 5. Developmental Biology

If a specified cell is transplanted to a population of differently specified cells, the fate of the transplant will be:
A. Altered if the specification is reversible
B. Capable of differentiating by itself if the specification is reversible
C. Altered if the specification is irreversible
D. Capable of differentiating by itself if the specification is irreversible
Which of the following combination is correct?
TLS Online TPP Program

#Question id: 271

#Unit 1. Molecules and their Interaction Relevant to Biology

Which type of RNA carries activated amino acids to the ribosome for assembly into proteins?
TLS Online TPP Program

#Question id: 8774

#Unit 9. Diversity of Life Forms

A large proportion of archaeans are extremophiles, so called because they inhabit extreme environments with high acidity, salinity, and/or temperature. Such environments are thought to have been much more common on primitive Earth. Thus, modern extremophiles survive only in places that their ancestors became adapted to long ago. Which of the following is, consequently, a valid statement about modern extremophiles, assuming that their habitats have remained relatively unchanged?
TLS Online TPP Program

#Question id: 10422

#Unit 6. System Physiology – Plant

Arabidopsis contains five genes encoding phytochromes, PHYA–PHYE, four of the five phytochromes appear mostly light-stable in the plant and function primarily in the regulation of LFRs and of shade avoidance involving changes in the R:FR ratio.