Quantum Dots Are Small (15-30 Nm Diameter), Bright Particles Visible

question 20

Multiple Choice

Quantum dots are small (15-30 nm diameter) , bright particles visible using light microscopy. If the dots can be specifically bound to individual proteins on a plasma membrane of a cell, which of the following correctly describes the advantage of using quantum dots in examining proteins?

• A)The dots permit the position of the proteins to be determined more precisely.
• B)The dots permit the average distance between the proteins to be determined more precisely.
• C)The dots permit the size of the proteins to be determined more precisely.
• D)The dots permit the motion of the proteins to be determined more precisely.
• E)The dots permit visualization of proteins interacting with lipids.

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Definitions:

Java

A class-based, high-level object-oriented programming language built to minimize implementation dependencies as much as possible.

Expression Value

The result of evaluating a specific combination of variables, constants, operators, and functions.

Int

A primitive data type in Java and many other programming languages that represents an integer, a numerical value without a fractional component.

Double Quantity

A term not clearly defined but likely refers to a data type in programming used to store double-precision floating point numbers.