What Is the "Chicken-And-Egg" Type Problem We Face When Trying

question 21

Multiple Choice

What is the "chicken-and-egg" type problem we face when trying to decide which came first-proteins or nucleic acids?

• A) proteins and nucleic acids probably looked very different before the origin of life
• B) nucleic acids cannot replicate without proteins, and proteins cannot be made without nucleic acids
• C) early proteins and nucleic acids were very similar to each other
• D) proteins and nucleic acids are always present together at the same time

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Definitions:

CPM Network

A project management tool that uses critical path method (CPM) principles to model the activities and events of a project in a graphical network.

Critical Path

A sequence of critical tasks in a project timeline that need timely completion to ensure the project ends on its scheduled date.

CPM Network

A project management tool that uses critical path method to model tasks and their dependencies in a project to determine the optimum project schedule.

Crashing

A project management technique used to shorten the schedule duration for the least incremental cost by adding resources to critical path tasks.