Introduction to Biochemistry

Gas exchange in the alveoli and red blood cells constitute the fact that Biochemistry is involved in different or various types of metabolic processes within an organism.

• TRUE

• FALSE

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What is the main energy unit for a living organism?

• Carbohydrates

• Carbon

• NADPH

• ATP

• ADP

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Central dogma states that DNA is replicated to DNA. DNA is transcribed to RNA. And finally, RNA is translated to what?

• Carbohydrates

• Lipids

• Proteins

• Nucleotides

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What theory states that the different elements that were subjected to different stresses in the past resulted to the creation of macromolecules that is used to create life?

• Big Bang Theory

• Primordial Soup Theory

• Endosymbiotic Theory

• Biochemical Theory

What is not true about carbon?

• Has 4 valence electrons.

• Can easily form bonds with other elements.

• Coupled with Hydrogen, there are the base elements of organic molecules.

• Can produce up to quadruple bonds.

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Alcohols, Ether, Ketone, and Aldehydes are just some of the compounds with carbon as its base. These specific compounds are also called as:

• Enantiomers

• Hydrocarbons

• Functional groups

• Carbon bases

Comprised of weak bonds, this bonds are temporary and can be easily disrupted by another polar compound.

• Hydrogen bonds

• Ionic bonds

• Covalent bonds

• Metal bonds

If there are 2 directional arrows present in a reaction, it means that the reaction is not reversible.

• TRUE

• FALSE

Acidity and Basicity of a substance depends on the presence of hydrogen ions and what?

• Hydroxide ions

• Hypochloride ions

• Hydrostatic ions

• Hydroxyl ions

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What does not belong to the group?

• Glucose

• Sucrose

• Fructose

• Galactose