ch 2 oh oh glucose. ch 2 oh oh ch 2 oh oh glucose + glucose = oh maltose + h 2 o h-o-h formation of...

CH2OH

OHOH

OH

OH

Glucose

CH2OH

OHOH

OH

CH2OH

OH OHOH

OH

OH

Glucose + glucose =

OH OH

Maltose + H2O

H-O-H

Formation of a disaccharide

A short polysaccharide

C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C= O

- O-H

R - C= O

- O-H

Generalized fatty acid

R - C

= O

- O-H

R - C=

O

R - C

= O

R - C

= O

- C-H

H

H3 fatty acids glycerol

- C-H

- C-H

-O H-O-H

-O H-O-H

-O H-O-H

Triacylglycerol (triglyceride) + 3H2O

H-O-H

H-O-H

H-O-H

R - C=

O

R - C

= O

R - C

= O

- C-H

H

H

- C-H

- C-H

-O

-O

-O

R - C

= O

R - C

= O

H – C – O – P – O-

H

H

- C-H

- C-H

-O

-O

= O

- O

triacylglycerol phospholipid

O

HH

-

+

C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C= O

- O-H

R - C=

O

R - C

= O

R - C

= O

- C-H

H

H

- C-H

- C-H

-O

-O

-O

R - C

= O

R - C

= O

H – C – O – P – O-

H

H

- C-H

- C-H

-O

-O

= O

- O

triacylglycerol phospholipid

R - C

= O

R - C

= O

H – C – O – P – O-

H

H

- C-H

- C-H

-O

-O

= O

- O

hydrophilic

hydrophobic

R - C

= O

R - C

= O

H – C – O – P – O-

H

H

- C-H

- C-H

-O

-O

= O

- O

Hydrophilichead

Hydrophobictails

Representation of a phospholipid

water

H - N - C - C

= O

- O -H

H -

- R

Basic amino acid structure

Amino group Carboxyl group

H - N - C - C

= O

H -

- R

N - C - C

= O

- O -H

H -

- R

- O -H H -

H-O-H

Formation on peptide bond

Peptide bond

Amino acid Amino acid

Am

ino acid

Amino acid

Amino acidAmino acid

A polypeptide

Primary structure Secondary structure -alpha helix

Tertiary structureQuaternary structure

Proteinstructure