Hyper-IgM syndrome is a rare genetic disease caused by a loss-of-function mutation in the gene that codes for the CD40L protein. What are the two most likely direct effects of CD40L deficiency? a. Increased recruitment of neutrophils into inflamed tissue.
b. Reduced recruitment of neutrophils into inflamed tissue.
c. Reduced phagocytic function of macrophages.
d. A failure of the germinal center reaction.
e. A loss of IFN-γ function.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

What is the identity of the planets?

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.