Portage Learning Chem 210 Biochem Final Exam 2023/2024 SOLVED
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Course
Biochem
Institution
Biochem
Portage Learning Chem 210 Biochem Final Exam 2023/2024 SOLVED
What are the three things biochemists study? - 1. the relationship between structure and function of a
biomolecule
2. chemical reactions of organisms (metabolism)
3. communication with and among organisms (chemical messengers)
Whic...
Portage Learning Chem 210 Biochem Final Exam 2023/2024 SOLVED
What are the three things biochemists study? - 1. the relationship between structure and function of a
biomolecule
2. chemical reactions of organisms (metabolism)
3. communication with and among organisms (chemical messengers)
Which protein is found in lightening bugs to produce light? - luciferin
How many elements are found in living organisms? - 30 or less
What type of elements do you find in living organisms? - smaller, non-metal elements
what are the bulk elements? - C, N, O, Ca, H, Na, K, P, S, Cl
Why are smaller elements preferred? - because they can create stable, covalent bonds. There is
significant e- sharing which means the bonds are harder to break
Are larger elements essential? - yes! although they don't form stable, covalent bonds, the metals and
transition metals can help with other essential processes like iron transporting oxygen
why is water considered the medium of life? - because it makes up 70% or more of living organisms and
is found both inside and outside of the cell
What is the bond angle of bent? - 104.5
What is the bond angle of linear? - 180
,Trigonal planar? - 120
Trigonal pyramidal? - 107.5
Tetrahedral angle? - 109.5
How is the bond angle created? - by the repulsion of e-
Why is carbon so special? - it can form covalent bonds in a unique way to make polymers (chains) and
cyclic compounds
what does inorganic chemistry study? - minerals, metals, and non-organic compounds
what is an advantage of a cyclic compound? - rigidity for maintaining shape and building structures
Chemical and condensed formula for methane - CH4
CH4
Chemical and condensed name for ethane - C2H6
CH3CH3
Chemical and condensed name for propane - C3H8
CH3CH2CH3
Chemical and condensed name for butane - C4H10
, CH3CH2CH2CH3
Chemical and condensed name for pentane - C5H12
CH3CH2CH2CH2CH3
What does the chemical formula show? - elemental composition
What do we see in a condensed formula? - the structure and bond placement of a molecule
what is a functional group? - a specific arrangement of atoms that defines the properties
Carboxylic acid group - COOH
What is a biomolecule? - molecules that are part of the cell or excreted by the cell
what is a macromolcule - a large biomolecule (5,000g/mol or greater)
what is a monomer? - a single unit
what are the three main types of macromolecules? - carbohydrates, proteins, and DNA
what is a supramolecular complex? - two or more macromolecules together
why is the cellular membrane important? - it separates non-life from life, it defines the space that
cellular processes occur, and it is flexible for changes in the environment. It allows cells to take up, store,
and use nutrients when needed
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