Exam 5: The Nature of Life on Earth

In the tree of life

Which kinds of mutation tend to have the most dramatic effects on protein structure?

The second law of thermodynamics states that

The atoms in a molecule are joined together by chemical

The Archaea Sulfolobus live in volcanic hot springs where they obtain energy from chemical reactions and carbon from their environment. Given this, they can be classified metabolically as

Human beings are examples of

Traits passed from parents to offspring are referred to by biologists as

The discovery of extremophiles on Earth suggests that

The basic molecular building blocks of DNA and RNA are

The theory of evolution satisfies the standards of science because it is

An amoeba is an example of a

Nearly all life on Earth passes on its heredity using

Of the six basic properties of life, biologists consider the most fundamental to be

What is the unifying theme of all modern biology?

Using the following fragment of the genetic code: Leu = ATG, Gly = CAC, Ala = GTC, which of the following simple proteins does the gene GTCATGCACCACATG correspond to?

The "words" that make up the genetic code contain how many letters?

The bond between carbon atoms in the molecule ethane, H₃C-CH₃ is referred to as

Lipids are more commonly known as

The two strands making up the double helix of DNA are said to be

The organisms Homo habilis, Homo erectus, and Homo sapiens