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Functional Groups
N/A
8
Biology
Undergraduate 1
02/07/2013

Additional Biology Flashcards

 


 

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Term
Hydroxyl
Definition

Structure:-OH

[image]

Name of Compound: Alcohols (their specific names usually end in -ol)

Properties:

Polar

Can form hydrogen bonds with water molecules

Mnemonics:

Remember the COH in alCOHols

Term
Ketone (Carbonyl)
Definition

Structure: (=CO) The carbonyl group is within a carbon skelaton

[image]

Name of compound: Ketone

Properties: When found in sugars it is called ketoses

Mnemonics:  Imagine the diagonal strokes of "K" forming the C=O double bond. [image]

Term
Aldehydes(Carbonyl)
Definition

Structure:(=CO) The Carbonyl group is at the end of the carbon skeleton

[image]

Name of compound: Aldehyde

Properties: When found in sugar, sugar is called aldose

Mnemonics: This sounds like "Adelaide," the Australian city. Australia is at the end of the Asian islands, and aldehydes are at the end of the hydrocarbon chain. The "Y" indicates a C=O double bond.

Term
Carboxyl
Definition

Structure:

[image]

Name of compound: Carboxylic acids or Organic Acids

Properties:

Has acidic properties

Very polar

Mnemonics: "Box" stands for boxed wine or C-O-H, alcohol. The "Y" indicates a C=O double bond.

Term
Amino
Definition

Structure:

[image]

Name of compound: Amines

Properties:

Acts as a base; can pick up a H+ from surrounding solution (water in living organisms)

Ionized with a charge of +1 under cellular condition

Mnemonics: Remember the "N" stands for nitrogen and the double arch in m is for the two hydrogens

 

Term
Sulfhydryl
Definition

Structure:-SH

[image]

Name of compound: Thiols

Properties:

Two Sulfhydryl groups can react, forming a covalent bond. This crosslinking helps stabalize protien structure.

Found in Cyestine.

Mnemonic: Cover someones mouth with sulfur and say

-SH

 

Term
Phosphate
Definition

Structure:

[image]

Name of compound: Organic Phosphates

Properties:

Contributes negative charge to the molecules for which is a part

Has the potential to react with water, releasing energy

Mnemonic: You can find 4 circles (o,e,a,p) in the word phosphate and the 2 Ps mean double bond

 

Term
Methyl
Definition

Structure:-CH3

[image]

Name of compound: Methylated Compounds

Properties:

Addition of Methyl group to DNA can affect expression of genes

Arrangement of methyl groups in sex hormones affects their shape and function

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