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65 Terms
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Carbon
Life's molecular diversity is based on the properties of _____
Organic Compounds
_______ are molecules that are carbon-based and must have at least CH in it, sometimes O.
Isomers
_____ are compounds with the same formula but different structures. Since structure determines the function, these may have different functions.
Hydrocarbons, methane
_______ are molecules with only carbon and hydrogen. ____, CH4, is an example of this.
Length, double bonds, branching, rings
The four ways in which carbon skeletons can vary: __________
Fats
Hydrocarbons are rare in living organisms but can be found sometimes, such as the hydrocarbon chains that ____ have.
4
Carbon has ___ valence electrons, meaning it can bond a lot which is why it is so important.
Chemical
A few _____ groups are key to the functioning of biological molecules
Functional
______ groups are polar and affect a molecule's function by participating in chemical reactions
Hydrophilic
_____: water loving
Hydrophobic
_____: water hating
OH
Hydroxyl group formula
C=O
Carbonyl group formula
COOH
Carboxyl group formula
NH2
Amino group formula
OPO3
Phosphate group formula
CH3
Methyl group formula
SH
Sulfhydryl group formula
Alcohols
Organic compounds containing hydroxyl groups are called ______
Reactive
The more hydroxyl groups something has, the more ____ it is
carbon skeleton
Carbonyl groups can be found in a ______
Carbonyl, hydroxyl
Simple sugars have _____ and _____ groups
Ketone, less, fructose
A ____ is when the carbonyl group is not at the end, and it is ____ reactive. An example is _____
Aldehyde, very, glucose
A ________ is when the carbonyl group is at the end of the carbon skeleton, and it is ____ reactive. An example is _____
Acid, contributing
A carboxyl group can act as an _____, ____ H+ to a solution
Carboxylic
Things with carboxyl groups are called ______ acids.
Base, taking
An amino group can act as a _____, ______ H+ from a solution
Amines
Things with amino groups are called ______
Proteins, amino, carboxyl
Amino acids are the building blocks of _____, which have an ____ and ____ group.
Organic phosphates, adenosine triphosphate
Things with phosphate groups are called _______. _______ (ATP) is an example of this.
Methylated compounds, genes
Things with methyl groups are called _______ and affect the expression of ______.
Disulfide bridge, hydrogen gas
Sulfhydryl groups bonded together form a _________ and a byproduct is _______
Macromolecules
_________ are gigantic molecules, such as carbohydrates, proteins, and nucleic acids
Polymers
_____ are chains of small molecules
Monomers
_______ are building blocks of polymers
Hydrolysis
________ is the reaction that breaks polymers into monomers
Dehydration
The ______ reaction is the reaction that links monomers together
Enzymes
_______ are specialized macromolecules (protein) that speed up chemical reactions in cells (catalyst)
CH2O
Monosaccharides are always a multiple of ______
C6H12O6
Glucose has a formula of ________
Hydroxyl, carbonyl
Sugars have some _____ groups and one ____ group
rings
When a monosaccharide is in an aqueous solution, it has the form of _____
Hydrophobic
Lipids share the same ______ trait
Hydrocarbon
Fat molecules have _____ chains
Saturated
_____ fat: has no double bond
Unsaturated
_____ fat: has at least 1 double bond
Trans
_____ fat: was changed from unsaturated fat to saturated by adding hydrogen
C-H
Fats are hydrophobic because the _____ bonds are nonpolar in the tails
Amino acids
_______ are the backbones of proteins
N-C-C
An amino acid has the backbone of:
Peptide
Amino acids are joined together through ____ bonds
Amino, carboxyl
Protein is an ____ group connected to a carbon (with R group) connected to _____ group.
Globular, fibrous
The shape of a protein can be referred to as _____ or ______
Phosphate, CH2, deoxyribose, nitrogenous
A nucleotide is a _____ group connected to _____ connected to _______ (sugar) connected to a ______ base (which can be A, T, C, or G)
Polynucleotide
A _______ is a bunch of nucleotides connected
Sugar-phosphate
A polynucleotide has a ______ backbone
Adenine, thymine, cytosine, guanine
Nitrogenous bases: ____, ____ (or uracil), ____, ____
Thymine
Adenine bonds with _______ (or uracil)
Guanine
Cytosine bonds with _____
Uracil
RNA has _____ instead of thymine
Double-helix
Two polynucleotides twist to form a ______ which is DNA
Transcription, translation
The process of building a protein: DNA --> _____ to RNA --> _____ to Protein
Ester
An ____ bond bonds fatty acids to the glycerol backbone
Phosphodiester
A _________ bond
Phosphate group
What functional group is a buffer?