Biology, Eighth Edition (Raven)Chapter 3:
The Chemical Building Blocks of LifeLearning OutcomesChapter 3
- Identify the four macromolecules. Know their basic chemical compositions and how each is important to living organisms.
- Know how various molecular subunits polymerize to form chains of organic macromolecules.
- Understand the consequences of dehydration and hydrolysis reactions and how they are dependent upon water.
- Know the importance of an amino acid R group.
- Describe the six levels of protein structure and the forces that help maintain each level.
- Understand how chaperonins are involved in protein folding and unfolding.
- Understand the difference between a helix and a double helix in DNA and RNA.
- Compare DNA and RNA in terms of chemical composition and basic cellular function.
- Differentiate between saturated and unsaturated fats, in the types of bonds they possess, their relative amounts of hydrogen, their energy content, and their consistency at room temperature.
- Know how and why monosaccharides combine to form the various common disaccharides and polysaccharides.
- Compare cellulose and chitin to one another and to other polysaccharides in terms of their chemical composition and their digestibility.
- Contrast lipids and starches with respect to their solubility in water and their efficiency in storing chemical energy.
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