Photosynthesis as a function of leaf temperature

at normal atmospheric CO2 concentrations for a C3

plant grown in its natural cool habitat and a C4 plant growing in its natural hot habitat

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#Unit 4. Cell Communication and Cell Signaling

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#Unit 4. Cell Communication and Cell Signaling

The two β pleated sheets in each domain are held together by hydrophobic interactions and the conserved disulfide bond.  The three loops of each variable domain show considerable variation in length and amino acid sequence; these hyper variable regions  make up the antigen-binding site. 

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#Unit 4. Cell Communication and Cell Signaling

Hyper variable regions are usually called complementarity determining regions (CDRs).

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#Unit 4. Cell Communication and Cell Signaling

Classes of Antibody Heavy Chains

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#Unit 4. Cell Communication and Cell Signaling

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#Unit 4. Cell Communication and Cell Signaling

Antibody Light Chains

Light chain was extremely variable, whereas the sequence of the carboxyl-terminal half could be classified into one of two major sequence types.

κ (kappa) 

λ (lambda)