What are the four classes of large organic molecules important to life on Earth?
A. Carbohydrates, lipids, proteins, and sugars
B. Carbohydrates, proteins, nucleic acids, and sugars
C. Carbohydrates, proteins, lipids, and nucleic acids
D. Carbohydrates, lipids, proteins, and enzymes
Answer: C
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The archea include which of the following?
a. extreme thermophiles b. alga c. protista d. animals e. all of these
You are working on a research project that involves a mutational analysis of the light harvesting complex Lhca1, which is an important light harvesting complex found in plants. Your labmate asks where this complex is located. You say it is in the
A. inner chloroplast membrane B. matrix C. thylakoid membrane D. stroma E. outer chloroplast membrane
Muscles are connected to bones by ________
A) thick filaments B) ligaments C) tendons D) myofibrils
Posttranslational modifications to proteins produced by the rough endoplasmic reticulum are accomplished by __________.
a. mitochondria b. Golgi apparatus c. messenger RNA d. smooth endoplasmic reticulum