Cytochrome c oxidase is an enzyme complex that uses metal ions to help coordinate the transfer of four electrons to O2. Which metal atoms are found in the active site of this complex?
(a) two iron atoms
(b) one iron atom and one copper atom
(c) one iron atom and one zinc atom
(d) one zinc atom and one copper atom
(b)
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The term used to describe ringworm of the nail is:
a. Tinea cruris. b. Tinea pedis. c. Tinea capitis. d. Tinea unguium.
The final product of DNA replication is:
a. mRNA, tRNA, and rRNA molecules. b. a wide variety of proteins. c. DNA fragments. d. two DNA molecules, each of which contains one new and one old DNA strand. e. the enzymes needed for further processes, such as DNA polymerase.
What help move lymph throughout the lymph vessels?
a. constriction of blood vessels b. skeletal muscle and breathing movements c. conscious actions d. dilation of blood vessels
Chickenpox is caused by a poxvirus.
Answer the following statement true (T) or false (F)