A Human Cell Contains at Least 2 M of DNA,yet

question 39

Multiple Choice

A human cell contains at least 2 m of DNA,yet all of this DNA is packed into a nucleus that is about 6 μm in diameter.How is this accomplished? Select all that apply.

• A)DNA is wrapped around histone proteins giving it the appearance of a string of beads.
• B)DNA is folded into a zigzag structure.
• C)The DNA is coiled into radial loops.
• D)The DNA is cut at several locations and each section is loosely wrapped into a bead-like shape.

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Definitions:

Recursive Solution

A method of solving a problem where the solution involves calling a function itself with modified parameters.

Iterative Method

A computational technique that uses a sequence of steps to converge towards a solution.

Factorial

A mathematical operation that multiplies a number by every number below it down to 1 (e.g., 5 factorial is 5 * 4 * 3 * 2 * 1 = 120).

Activation Record

A data structure containing information about the execution state of a subroutine, used for managing function calls and returns in software execution.