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Which of the following is/are not a function(s) of enzymes? 1. to hold the substrate for a chemical reaction. 2. to provide functional groups that will attack the substrate and carry out a chemical reaction. 3. Enzymes help in the DNA Replication process by unwinding the DNA coils and copying the information. Select the correct answer using the code given below.

Which of the following is/are not a function(s) of enzymes? 1. to hold the substrate for a chemical reaction. 2. to provide functional groups that will attack the substrate and carry out a chemical reaction. 3. Enzymes help in the DNA Replication process by unwinding the DNA coils and copying the information. Select the correct answer using the code given below. Correct Answer None of the above

The correct answer is None of the above.

Key Points

  • Macromolecules of biological origin perform various functions in the body.
    • For example, proteins that perform the role of biological catalysts in the body are called enzymes, those which are crucial to the communication system in the body are called receptors.
  • Carrier proteins carry polar molecules across the cell membrane.
  • Nucleic acids have coded genetic information for the cell.
  • Lipids and carbohydrates are structural parts of the cell membrane.
  • The drug-target interaction with the examples of enzymes and receptors.
    • The catalytic action of enzymes: For understanding the interaction between a drug and an enzyme, it is important to know how do enzymes catalyse the reaction.
    • In their catalytic activity, enzymes perform two major functions:
      • The first function of an enzyme is to hold the substrate for a chemical reaction. Active sites of enzymes hold the substrate molecule in a suitable position so that it can be attacked by the reagent effectively. Hence, Statement 1 is correct.
        • Substrates bind to the active site of the enzyme through a variety of interactions such as ionic bonding, hydrogen bonding, vander Waals interaction or dipole-dipole interaction 
      •  The second function of an enzyme is to provide functional groups that will attack the substrate and carry out a chemical reaction. Hence, Statement 2 is correct.
      • Each time a cell divides, that DNA needs to be copied. Enzymes help in this process by unwinding the DNA coils and copying the information. Hence, Statement 3 is correct.

Related Questions

Statement: A video by Chinese police giving advice on how to deal with a knife attack has gone viral. While suggesting what to do in the event of an attack, an officer responds by running away and screaming, "Help! Police officer!". Which of the following objection(s) may not be a probable reason(s) for the above-taken step by the Chinese police? I. It reportedly was aimed at telling citizens they should not seek the help of authorities when confronted by an attacker. II. It reportedly was aimed at telling citizens they should seek the help of authorities when confronted by an attacker. III. It reportedly was aimed at telling citizens they should divert the attacker by screaming and then attack the attacker. IV. It reportedly was aimed at telling citizens they should seek the help of police to nab the attacker and then attack him with the help of police authorities.
Which among the following statements regarding filing Rejoinder/Replication in a suit, as per the Code of Civil Procedure 1908, are correct?
1. Rejoinder/ Replication is filed as a matter of Right
2. Provision of filing Rejoinder/ Replication is contained under Order VIII of the Code of Civil Procedure
3. Rejoinder/Replication may be filed only after due permission of the Court.
4. Rejoinder/Replication is a part of pleading.
Select the correct answer:
Consider the following statements regarding DNA replication and choose the correct answer:
1. The very first requirement of DNA synthesis is the presence of a template or plan along which the new strand is to be constructed
2. The second requirement is of a DNA-dependent-DNA polymerase or simply DNA polymerase enzyme
3. A DNA Pol cannot join two free nucleotides; one of them must be anchored by hydrogen bonds to a DNA strand
4. Replication takes place bidirectionally
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the suggested course of action logically follow (s) for pursuing. Statement: The India Risk Survey 2017 report ranks 'Information & Cyber Insecurity' as the biggest risk facing Indian companies. Indian organizations, both public and private, had witnessed over 27,000 incidents of security threat, from January 2017 till June 2017 alone. Phishing, scanning/probing, website intrusions and defacements, virus/malicious code, ransomware, Denial of Service attacks, and data breaches are some ways in which hackers attack business websites, which can cause operational disruptions and potentially steal sensitive information. Small and medium businesses (SMBs), unfortunately, have been seeing rising incidences of cybercrime. In fact, 70 percent of cyberattacks occur at organizations with lesser than 100 employees  Courses of action: I. Mandate basic security practices and policies for all employees, such as 2-factor authentication, internet use guidelines and create and enforce rules on handling and protecting sensitive data. Conduct frequent training to sensitize employees about opening suspicious emails, encrypting their data, using strong passwords on their devices, installing security apps, and limiting activity over public Wi-Fi. Implement and enforce incident reporting to help ensure that even the smallest breach is report to management as well as the IT teams. II. Basics still matter and are some of the best defenses against viruses, malware, and other online threats. Assess the assets that are most at risk - data, servers, network - and ensure that the systems are updated with the latest security software, web browser, and operating system. Implement firewall security and run antivirus software after each update.  III. Ensure regular backup of all critical data - whether stored in-house or on the cloud. Run scheduled attack drills and stress tests to identify vulnerabilities and ensure that data restoration and business continuity are executed as planned.
Read the information given below carefully and answer the given questions. For the recruitment process in an accounting organization, the following eligibility criteria are required for the candidates: i) Graduation in Commerce with minimum 60% marks. ii) At least 24 years and not more than 40 years of age as of 1-7-2016. iii) Candidates should have at least 2 years of work experience after education. iv) They should have secured 55% marks in the selection process. However, if the candidate fulfills the above criteria, except: (A) In case of (i), if the candidate is not a graduate in commerce but has a master's degree in finance with 60% marks, he/she should approach the Institute of Finance Management. (B) In case of (iii), if the candidate fulfills the eligibility criteria of at least 2 years work experience after education, not only that he has secured 75% marks in the selection process, he/she may be referred for Trainee Accountant. Based on the above information decide whether the following candidates are eligible in the selection process, and select the appropriate option. You do not have to think about anything other than the information given in the question. All the cases given to you are dated 1-7-2016. Anurag Kumar has 6 years of work experience after education. His birthday is 05-4-1992. He has scored 62% marks in the selection process. He has done his graduation in commerce and has scored 76% marks.
Consider the following four relational schemas. For each schema, all non-trivial functional dependencies are listed. The underlined attributes are the respective primary keys. Schema I: Field ‘courses’ is a set-valued attribute containing the set of courses a student has registered for. Non-trivial functional dependency: rollno → courses Schema II: Non-trivial functional dependencies: rollno, courseid → email email → rollno Schema III: Non-trivial functional dependencies: rollno, courseid → marks, grade marks → grade Schema IV: Non-trivial functional dependencies: rollno, courseid → credit courseid → credit Which one of the relational schemas above is in 3NF but not in BCNF?
Which of the following statements about DNA is/are correct? 1) DNA is the hereditary material of all living organisms. 2) All segments of DNA code for the synthesis of proteins. 3) Nuclear DNA is double helical with two nucleotide chains that run anti-parallel. 4) DNA is also found in mitochondria. Select the correct answer using the code given below:
Which three of the following types of cyber attacks may occur in the process of mobile banking? a) Backdoor attack b) Front door attack c) Denial of service attack d) Direct access attack Choose the correct option from those given below:
Which three of the following types of cyber attacks may occur in the process of mobile banking?
1. Backdoor attack
2. Front door attack
3. Denial of service attack
4. Direct access attack
Choose the correct option from those given below :
Which of the following statements is/are correct regarding PCR (Polymerase Chain Reaction)? 1. In this reaction, multiple copies of the gene (or DNA) of interest is synthesized in vitro using two sets of primers (small chemically synthesized oligonucleotides that are complementary to the regions of DNA) and the enzyme DNA polymerase. 2. Real-time RT–PCR is a nuclear-derived method for detecting the presence of specific genetic material in any pathogen, including a virus (COVID-19).  Select the correct answer using the code given below.