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Enzyme X has a Km for substrate A which is twice as large as its Km for substrate B.  If the enzyme is added to a solution containing equal, but low concentrations of A and B, and Vmax for A and B are equal: (Remember – the lower the Km, the higher the affinity)

All of the following statements regarding ribosomes are correct except:

Which of the following can be treated by replacing the missing clotting factor (factor IX concentrates)?

Which enzyme is responsible for replicating the ends of chromosomes?

A child is throwing a temper tantrum and told her parents she would hold her breath until she would faint. By doing so, she stopped expelling volatile acids out of her system. What would happen to her blood and pH levels?

The G:C content within a DNA molecule ________ the melting temperature (Tm) because there are __ hydrogen bonds between the G:C pair.

The Tm (melting temperature) of DNA:

Which is not true regarding enzymes lowering the activation energy of a reaction?

What two reactions are catalyzed by aminoacyl tRNA synthetases?

Regarding nucleosides, the bases are covalently attached to the 1’ position of a hexose sugar ring.