At the First Minima on Either Side of the Central

question 65

Multiple Choice

At the first minima on either side of the central bright spot in a double-slit experiment, light from each opening arrives

• A)in phase.
• B)45° out of phase.
• C)90° out of phase.
• D)180° out of phase.
• E)none of the given answers

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Definitions:

Allosteric Site

A region on an enzyme that is distinct from the active site and can bind regulatory molecules to change the enzyme's activity.

cAMP

Cyclic adenosine monophosphate, a second messenger important in many biological processes.

Lac Operon

A gene regulatory system found in bacteria and some other organisms that regulates the metabolism of lactose, involving an operon required for the transport and metabolism of lactose.

Cap

In molecular biology, a specially modified nucleotide on the 5’ end of eukaryotic mRNA, important for RNA stability and the initiation of translation.