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Questions and Answers
What are the 4 main molecules that make up 98% of us?
What are the 4 main molecules that make up 98% of us?
- Hydrogen, carbon, oxygen, nitrogen
- Carbon, nitrogen, oxygen, silicon
- Oxygen, nitrogen, carbon, silicon
- Hydrogen, oxygen, nitrogen, carbon (correct)
Why can't we directly take nitrogen from the air?
Why can't we directly take nitrogen from the air?
- It is in the form of N2, which is toxic (correct)
- It is highly reactive in its natural state
- It is present in very low concentrations in the air
- It is bound to other elements making it inaccessible
What is the advantage of carbon over silicon?
What is the advantage of carbon over silicon?
- Carbon dioxide produced from carbon combustion is insoluble
- Silicon is less abundant than carbon
- C-C bonds are stronger and release more energy on combustion (correct)
- Silicon can only make 2 covalent bonds
What confers fixed spatial arrangement in molecules?
What confers fixed spatial arrangement in molecules?
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What dictates the function of functional groups in molecules?
What dictates the function of functional groups in molecules?
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Study Notes
Module 1 Chapter 1 Objectives
- Compare and contrast prokaryotes and eukaryotes to understand their basic differences and similarities
Chemical Foundations of Life
- Identify chemical functional groups that are essential for life
- Recognize and discriminate different types of chemical functional groups
Stereochemistry in Biochemistry
- Identify chiral carbons and explain their importance in biochemistry
- Understand how stereochemistry relates to biochemistry and its significance
Biomolecules
- Describe the four major classes of biomolecules: nucleic acids, proteins, polysaccharides, and lipids
- Identify the unique building blocks and linkages within each class of biomolecules
Thermodynamic Perspective of Life
- Describe life from a thermodynamic perspective, understanding the energy transformations that occur
Genetic Basis of Living Organisms
- Summarize the genetic basis of living organisms, considering its relation to evolution
- Recognize the unity of biochemistry, where all building blocks are equal in all living things
Biochemistry and Interconnectedness
- Understand that biomolecules can be transferred and transformed between organisms, illustrating the interconnectedness of life (e.g., eating a banana, being eaten by a shark)
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