Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 30046
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.

More Questions
TLS Online TPP Program

#Question id: 11299

#Unit 10. Ecological Principles

Carbon is initially incorporated into the food chain by _____________
TLS Online TPP Program

#Question id: 11300

#Unit 10. Ecological Principles

What type of organisms convert nitrates and nitrites into nitrogen gas?
TLS Online TPP Program

#Question id: 11301

#Unit 10. Ecological Principles

How is phosphorus returned to the soil from organic phosphorus?
TLS Online TPP Program

#Question id: 11314

#Unit 10. Ecological Principles

What type of organism produces acids that degrade rocks and minerals?
TLS Online TPP Program

#Question id: 11315

#Unit 10. Ecological Principles

Carnivores that eat herbivores in a food chain are the _________________.
TLS Online TPP Program

#Question id: 12972

#Unit 10. Ecological Principles

Under  some  circumstances a  population  can  split  into  two  or  more  species  without  the  existence of  geographic barriers. All of the following genetically determined behaviours could provide conditions leading to speciation EXCEPT