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TLS Online TPP Program

#Question id: 4141

Bacterial ribosomes:

#Unit 3. Fundamental Processes

  1. bind tightly to specific regions of DNA, forming polysomes.

  2. contain at least one catalytic RNA molecule (ribozyme).

  3. contain three species of RNA and five different proteins.

  4. require puromycin for normal function.

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TLS Online TPP Program

#Question id: 29471

#Unit 6. System Physiology – Plant

Strigolactone promote symbiotic interactions with arbuscular mycorrhizal fungi, facilitating  the uptake of ion from soil is
TLS Online TPP Program

#Question id: 23587

#Unit 13. Methods in Biology

Plasmids are usually introduced into bacterial cells by ________.
TLS Online TPP Program

#Question id: 10155

#Unit 6. System Physiology – Plant

Which of the following components carries out oxygen cycle and also produces hydrogen per oxide ?
TLS Online TPP Program

#Question id: 3753

#Unit 3. Fundamental Processes

Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?
TLS Online TPP Program

#Question id: 12778

#Unit 10. Ecological Principles

A population of white-footed mice becomes severely overpopulated in a habitat that has been disturbed by human activity. Sometimes intrinsic factors cause the population to increase in mortality and lower reproduction rates in reaction to the stress of overpopulation. Which of the following is an example of intrinsic population control?