People who have Alzheimer's disease experience an increasing loss of brain function and cognition over time. Alzheimer's is characterized by a buildup of abnormal protein fragments that damage brain cells. Recently scientists have discovered an enzyme, BACE2, that decreases these abnormal protein fragments in the brain of a person with Alzheimer's disease. Which statement explains how BACE2 most likely works? BACE2 speeds up the reaction that breaks down the abnormal protein fragments.

BACE2 is a reactant that combines with the abnormal protein fragments.

BACE2 breaks down into smaller pieces that react with the abnormal protein fragments, forming more complex molecules.

BACE2 molecules link several abnormal protein fragments together, forming a complete protein.

BACE2 speeds up the reaction that breaks down the abnormal protein fragments.

Explanation:

BACE2 accelerates the reaction that breaks the fragments of abnormal proteins that cause Alzheimer's disease. With that, this enzyme is able to quickly cut these proteins, called beta-amyloid, into pieces so tiny that it takes the entire molecule to complete destruction. This is very innovative for the treatment of alzheimer's, although much research needs to be done to improve this process and not cause side effects.

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."

a

explanation: