Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 6446
TLS Online TPP Program

#Question id: 8961

What does recent evidence from molecular systematics reveal about the relationship between grades and clades?

#Unit 9. Diversity of Life Forms
  1. They are one and the same.
  2. There is no relationship.
  3. Some, but not all, grades reflect evolutionary relatedness.
  4. Grades have their basis in, and flow from, clades.
More Questions
TLS Online TPP Program

#Question id: 674

#Unit 1. Molecules and their Interaction Relevant to Biology

Proline is not often found in a-helices of proteins because it
TLS Online TPP Program

#Question id: 12576

#Unit 10. Ecological Principles

Estimates of current rates of extinction
TLS Online TPP Program

#Question id: 137

#Unit 1. Molecules and their Interaction Relevant to Biology

Disulfide bridges can form in proteins ________.
TLS Online TPP Program

#Question id: 32215

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown

 
TLS Online TPP Program

#Question id: 2646

#Unit 2. Cellular Organization

How many stem loop structures play important role in complete system of tryptophan gene regulation?