Magnesium is commonly used in flares and fireworks. The combustion of magnesium releases 24.7 KJ/g of magnesium. Calculate the molar
heat of combustion and write a thermochemical equation for this
reaction.

In a floral arrangement, the focal area is often

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic