Question: We consider alphabet E = {A; C; G; T}*. (This is the usual alphabet in which to write DNA sequences.) A string in E* is

We consider alphabet E = {A; C; G; T}*. (This is the usual alphabet in which to write DNA

sequences.) A string in E* is GC-rich if at least 60% of its symbols are G or C. Show that

the set of all GC-rich strings in E* is not regular.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

Q:

GENETICS AND FORCES OF EVOLUTION Introduction The goal of anthropological genetics is to understand the evolutionary relationships, demographic histories, and genetic bases of biological variation in...

Q:

ttth Suppose that the sequence of bags {Bn | n N} is recursively enumerated by the computable function e(n, x) = fn(x), [7 marks] Hence prove that the set of all recursive bags cannot be recursively...

Q:

Objectives 1. Working on a project that utilizes a broad spectrum of knowledge from this course 2. Using various forms of indirect addressing 3. Passing parameters on the stack 4. Extensive...

Q:

The Basics of Financial Mathematics Spring 2003 Richard F. Bass Department of Mathematics University of Connecticut c These notes are 2003 by Richard Bass. They may be used for personal use or class...

Q:

In this question you will be asked to reflect on a project you have been involved in or observed, in which a design evolved, or could have evolved, through applying a theory of user behaviour. You...

Q:

Digital Communication I X A B C D Y Hosts X and Y are communicating through the data network provided by the switches A, B, C and D and the links interconnecting them as shown above. Initially all...

Q:

f a processor exhibited one branch delay slot how would you reorder (and possibly modify) the instructions in the following loop to gain a performance advantage? loop ldr r2,r3,#4 % r2=load(r3),...

Q:

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Q:

answer the question clearly You are building a flight-control system for which a convincing safety case must be made. Would you assign the tasks of safety requirements engineering, test case...

Q:

1- Process cycle time The process cycle time is the time it takes for a product to go through the production process with no waiting 2- Bottleneck Bottlenecks are setbacks or obstacles that slow or...

Q:

Lewis Company's records show the following information at December 31, 2020, its annual year-end. Sales revenue $228.000 nterest expense $9.600 84.000 Earthquake loss on building 26,400 Loss on sale...

Q:

The risk accepted by the auditor with respect to the sample not being representative of the population is known as sampling risk. control risk. audit risk. inherent risk.

Q:

3 . Draw the caffeine molecule and assign the position of the only single proton that there is in the imidazole ring. Clearly indicate the correspondence between the chemical shift of the signal and...

Q:

What combination of Key Fields in a Salary Structure Table allows for storage of historical Pay Grade Data for multiple Occupation Group Pay Grade Structures?

Q:

Explain the function and purpose of the Job Level Table.

Q:

What are Compa-Ratios? Explain the difference between Internal and External (Market Based) Compa-Ratios.