Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Understanding Amino Acids: Their Structure, Bonding, and Interactions, Quizzes of Biochemistry

Definitions and explanations about various aspects of amino acids, including their composition, bonding, ionization, chirality, stereochemical forms, r group interactions, essentiality, and weak forces. It also discusses the role of weak forces in restricting organisms to specific environmental conditions.

Typology: Quizzes

2011/2012

Uploaded on 08/06/2012

dhmulders
dhmulders 🇺🇸

5

(1)

18 documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
TERM 1
What composes an amino acid
DEFINITION 1
Carboxyl groupaminoalpha carbonR groupproton
TERM 2
how do amino acids bond?
DEFINITION 2
peptide linkages (carboxyl and amino group bond)
TERM 3
When the pH is more than one unit lower than
the pKa, the molecule will be?
DEFINITION 3
protonated
TERM 4
When the pH is more than one unit higher
than the pKa, the molecule will be ?
DEFINITION 4
deprotonated
TERM 5
When the pH = pKa, the molecule will
be?
DEFINITION 5
50 % ionized
pf3
pf4

Partial preview of the text

Download Understanding Amino Acids: Their Structure, Bonding, and Interactions and more Quizzes Biochemistry in PDF only on Docsity!

What composes an amino acid

Carboxyl groupaminoalpha carbonR groupproton

TERM 2

how do amino acids bond?

DEFINITION 2

peptide linkages (carboxyl and amino group bond)

TERM 3

When the pH is more than one unit lower than

the pKa, the molecule will be?

DEFINITION 3

protonated

TERM 4

When the pH is more than one unit higher

than the pKa, the molecule will be?

DEFINITION 4

deprotonated

TERM 5

When the pH = pKa, the molecule will

be?

DEFINITION 5

50 % ionized

At physiologic pH (7.4) the carboxyl group of

an amino acid will be? What about the amine

group? What does this form?

deprotonated (1 neg charge)amine is protonated (1 pos

charge)zwitter ion (neutral)

TERM 7

All amino acids have a chiral alpha carbon

except?

DEFINITION 7

glycinetwo protons on the alpha carbon

TERM 8

Which steriochemical form (D/L) are amino

acids in humans?

DEFINITION 8

L

TERM 9

What kind of interactions do R groups

promote?

DEFINITION 9

hydrophobic

TERM 10

Which amino acid aids in the fibrous

formation of collagen?

DEFINITION 10

prolineirregular r group that forms a ring with the amino

group

Weak Forces Restrict Organisms to a Narrow

Range of Environmental Conditions

Temperature pH Ionic strength Solvent medium