Rubisco has 16 subunits joined together to make a functional unit. Eight of the subunits are large, the
other 8 are small. What is the function of the small subunit?
a. The small subunits contain the reactant binding sites.
b. It stabilizes the overall enzyme's structure but has no function by itself.
c. The function of the small subunit is still unknown.
d. It regulates the enzyme's rate of catalysis.
e. The small subunits contain allosteric regulator binding sites.
D
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What are the two most important variables for cells to survive?
a. Temperature and pH b. Temperature and solute concentration c. Solute concentration and nutrient levels d. Solute concentration and pH e. Temperature and nutrient levels
Alfred Wallace
a. conducted extensive fieldwork in the Amazon River Basin. b. wrote letters to Darwin and Lyell about patterns in the geographic distribution of species. c. is known as the “father of biogeography.” d. independently formulated a theory of natural selection. e. did all of these.
Compare and contrast antitermination and the use of an alternative sigma factor for regulating gene expression in the lytic cascade
What will be an ideal response?
A yellow slant and butt in Kligler’s iron agar indicates
a. both glucose and lactose were fermented.
b. H2S was produced.
c. both glucose and lactose were fermented and H2S was produced
d. lactose only was fermented.
e. glucose only was fermented.