The CRISPR System

question 49

Multiple Choice

The CRISPR system

• A) facilitates homologous recombination through a complex system of proteins and clustered repeats.
• B) recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them.
• C) repairs DNA and increases DNA damage tolerance during times of stress.
• D) synthesizes gene transfer agents during stationary phase.

---

Definitions:

Superposition

A principle in physics that for any two overlapping waves, the resulting wave is obtained by adding the amplitudes of the individual waves at each point.

Convergence

The process by which lines of perspective in a drawing or photograph appear to converge as they recede toward the horizon line, creating the illusion of depth. In a biological context, it refers to the evolution of similar features in species of different lineages.

Shadowing

A technique used in language learning and cognitive psychology where an individual repeats speech immediately after hearing it, focusing on mimicry and comprehension.

Depth Perception

The visual ability to perceive the world in three dimensions and the distance of an object.