Exam 5: The Nature of Life on Earth

DNA is copied via a process called

The basic molecular building blocks of proteins are

The basic molecular building blocks of DNA and RNA are

The search for Earth-like extraterrestrial life is essentially a search for

Any change in the base sequence of an organism's DNA is referred to as a

Chemists refer to molecules containing carbon atoms as

An amoeba is an example of a

At a molecular level, evolution proceeds via a process of

A mule is an example of an exception to which of the fundamental characteristics of life?

Which forms of life on Earth show the greatest diversity?

What is the complementary sequence corresponding to the DNA fragment AGTCAG?

The fact that all cells used in life on Earth are based on the same biochemistry suggests that

In cells, living matter inside is separated from the outside world by a barrier called

Silicon forms its strongest chemical bonds with

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?

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

Based of cellular biochemistry, how many different domains can life be classified into?

Which is the MOST important property of the element carbon that makes it ideal as a fundamental building block of biological molecules?

What is the MOST important role that lipids play in living organisms on Earth?

Organisms that are found living kilometers beneath Earth's crust are referred to as