BIS 102 MT 1 with correct questions and answers
2025
Why do cells require energy? (On a cellular level) - 1. Growth
2.Motion
3. Homeostasis
Why do cells require energy? ( On a molecular level) - 1. Polymerization, synthesis
2.Ion transport
3.Heat production
Living systems... - - have the capacity to self replicate
- are actively engaged in energy transformationsOrganisms are...
- Highly ordered
steady states are maintained by... - energy flows.
Molecular structure serves.. - The function
What four elements are the most predominant in life? - Hydrogen, Carbon, Oxygen,
and Nitrogen
Bond energies of Covalent Bonds? - Energy in kj/mol
H-H = 436--> strongest
C-H= 414
C-C= 343 --> weakest
BIS 102
,C-O= 351
These four elements (H,O,C,N) ... - -form stable covalent bonds by electron sharing
-can create stability in molecules(In aqueous solution)
- are high abundance in nature
Hierarchy of complex structures - small
inorganic molecules metabolites building blocks
macromolecules supramolecules Organelles
Unit of life- cell
Ions - regulators, reactive center of enzymes
Carbohydrates - energy storage, recognition
Amino Acids - Building Blocks of proteins
Nucleotides - Building blocks of genes, energy currency
Lipids - energy storage, membrane structure
Proteins - abundant component, large macromolecules, structure, enzymes.
RNA, DNA - Very large macromolecules, information, structure, enzymes
BIS 102
, Eukaryotic cell -
Monomer-- Polymer - Amino Acids-- Proteins
Simple sugars-- Polysaccharides
Nucleotides-- nucleic acids
Lipids-- Membranes
Denature and Renature of a Complex Protein Structure - Protein folding achieved
through weak chemical reactions
Native to Denatured
Denatured to Native
Weak chemical forces/ interactions - van
der Waals hydrogen bonding ionic/
charged bonding hydrophobic
Weak forces... - maintain biological structures in well defined fitness of interactions
Biomolecules have their own... - characteristic 3D architecture
Macromolecules are... - informational
Structure Complimentary mediates... - Biological interactions.
Protein head to tail reactions
Alpha-virus - multi shell capsids sandwich with host membrane
BIS 102
2025
Why do cells require energy? (On a cellular level) - 1. Growth
2.Motion
3. Homeostasis
Why do cells require energy? ( On a molecular level) - 1. Polymerization, synthesis
2.Ion transport
3.Heat production
Living systems... - - have the capacity to self replicate
- are actively engaged in energy transformationsOrganisms are...
- Highly ordered
steady states are maintained by... - energy flows.
Molecular structure serves.. - The function
What four elements are the most predominant in life? - Hydrogen, Carbon, Oxygen,
and Nitrogen
Bond energies of Covalent Bonds? - Energy in kj/mol
H-H = 436--> strongest
C-H= 414
C-C= 343 --> weakest
BIS 102
,C-O= 351
These four elements (H,O,C,N) ... - -form stable covalent bonds by electron sharing
-can create stability in molecules(In aqueous solution)
- are high abundance in nature
Hierarchy of complex structures - small
inorganic molecules metabolites building blocks
macromolecules supramolecules Organelles
Unit of life- cell
Ions - regulators, reactive center of enzymes
Carbohydrates - energy storage, recognition
Amino Acids - Building Blocks of proteins
Nucleotides - Building blocks of genes, energy currency
Lipids - energy storage, membrane structure
Proteins - abundant component, large macromolecules, structure, enzymes.
RNA, DNA - Very large macromolecules, information, structure, enzymes
BIS 102
, Eukaryotic cell -
Monomer-- Polymer - Amino Acids-- Proteins
Simple sugars-- Polysaccharides
Nucleotides-- nucleic acids
Lipids-- Membranes
Denature and Renature of a Complex Protein Structure - Protein folding achieved
through weak chemical reactions
Native to Denatured
Denatured to Native
Weak chemical forces/ interactions - van
der Waals hydrogen bonding ionic/
charged bonding hydrophobic
Weak forces... - maintain biological structures in well defined fitness of interactions
Biomolecules have their own... - characteristic 3D architecture
Macromolecules are... - informational
Structure Complimentary mediates... - Biological interactions.
Protein head to tail reactions
Alpha-virus - multi shell capsids sandwich with host membrane
BIS 102
