Unmanned Space Probes Are Searching for Signs of Life on Mars.Which

question 165

Multiple Choice

Unmanned space probes are searching for signs of life on Mars.Which of the following would provide the best evidence for the presence of living organisms on Mars?

• A) Carbon dioxide in the atmosphere
• B) Different nucleic acids and amino acids from those found on Earth
• C) Fatty acid molecules
• D) Complex molecules containing genetic information
• E) Simple organic molecules

Distinguish between true statements and common misconceptions about protist biology and life processes.

Understand the concept of chemical equilibrium and the calculation of the equilibrium constant (K).

Calculate the concentrations of reactants and products in a chemical equilibrium.

Relate the pH of a solution to the concentrations of reactants and products in acid-base equilibria.

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Definitions:

Hepat/o

A prefix in medical terminology that relates to the liver.

Neur/o

A prefix used in medical terminology to refer to nerves or the nervous system.

Combining Form

A prefix or suffix added to a word root to change its meaning or create a new word, commonly used in medical terminology.

Xer/o

A prefix in medical terminology denoting dryness.