What are the 4 biological macromolecules? correct answers sugars, fatty acids, amino acids, nucleotides
What is the central dogma of molecular biology? correct answers DNA(transcription) > RNA(translation) > Protein
Two major types of cells? correct answers Prokaryotic and Eukaryotic
...
BIO 240 Quiz 1 || PASSED!!
What are the 4 biological macromolecules? correct answers sugars, fatty acids, amino acids,
nucleotides
What is the central dogma of molecular biology? correct answers DNA(transcription) >
RNA(translation) > Protein
Two major types of cells? correct answers Prokaryotic and Eukaryotic
What are the most abundant elements in the human body? correct answers H, C, N, O
What are considered the "essential elements"? correct answers Na, Mg, K, Ca, P, S, Cl
Covalent bonds are formed by ________ electrons between atoms. correct answers Sharing
Ionic bonds are formed by ________ electrons between atoms. correct answers Transferring
What are the 4 kinds of non-covalent bonds? correct answers Hydrogen bonds, Van der
Waals Attraction, Hydrophobic Forces, Electrostatic Attractions
What are Hydrogen Bonds? correct answers - due to partial charges
- polarity forms by different attraction forces of element that form covalent bonds in molecule
ex. O-H~O, O-H~N, N-H~O, N-H~N
What is van der Waals attraction? correct answers - due to fluctuating electrical charges
- due to physical proximity
What are hydrophobic forces? correct answers - repulsion force from water
- pushes non-hydrophilic molecules together
What is electrostatic attraction? correct answers - when oppositely charged ions are attracted
to each other
- occurs in enzyme/substrate bonding
How to solve for grams and molarity? correct answers - Multiply MW by how many moles
are needed, and then again by the volume of solution.
- gives necessary GRAMS for solution
What does the macromolecule sugar make? correct answers Carbohydrates/Polysaccharides
What do the macromolecule fatty acids make? correct answers Lipids & Fats
What do the macromolecule amino acids make? correct answers Proteins
What does the macromolecule nucleic acids make? correct answers DNA & RNA
What is the percentage breakdown of macromolecules in the cell? correct answers 7% nucleic
acid
2% phospholipids
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