Diglycerol Tetraether Lipids

question 27

Multiple Choice

Diglycerol tetraether lipids

• A)are a characteristic feature of thermophilic Archaea.
• B)tend to make the membrane less rigid.
• C)are found in some bacteria and some Archaea.
• D)form typical bilayer membranes in thermophilic Archaea of the genus Thermoplasma.

Describe the role of biogeography in the study of evolution.

Understand the evidence of evolution provided by fossils and the methods used for dating fossils.

Recognize the existence of bias in the fossil record and explain its causes.

Compare the homology in the forelimbs of mammals to understand their evolutionary relationship.