Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 26884
TLS Online TPP Program

#Question id: 775

The formation of microRNA is to:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. serve as part of the structure of ribosome;

  2. transfer amino acids from the cellular fluid to the ribosome for protein synthesis;

  3. transfer genetic code to the ribosome for protein synthesis;

  4. control genetic expression by turning some genes on and others off, thus controlling gene expression.

More Questions
TLS Online TPP Program

#Question id: 1393

#Unit 4. Cell Communication and Cell Signaling

In research on aging (both cellular aging and organismal aging), it has been found that aged cells do not progress through the cell cycle as they had previously. Which of the following, if found in cells or organisms as they age, would provide evidence that this is related to cell signalling?
TLS Online TPP Program

#Question id: 3662

#Unit 3. Fundamental Processes

______________ refers change to the DNA that affects expression of a gene but is not inherited.
TLS Online TPP Program

#Question id: 18891

#Unit 13. Methods in Biology

Which of the following microscope are not used for microscopy?
TLS Online TPP Program

#Question id: 8293

#Unit 9. Diversity of Life Forms

The importance of computers and of computer software to modern systematics s is most closely linked to advances in ________.
TLS Online TPP Program

#Question id: 421

#Unit 1. Molecules and their Interaction Relevant to Biology

The flow of material through a metabolic pathway is called the ________