Yes, boxing is a highly competitive sport that requires skill, strategy, and physical conditioning. Boxers compete against each other in the ring, using a combination of punches, footwork, and defensive techniques to outscore or knock out their opponent. The competitive nature of boxing is evident in the intense training regimens, weight classes, and rankings that determine matchups and championships. Overall, boxing is a fiercely competitive sport that demands dedication and determination from its participants. **

Competitive eating is often considered an extreme sport due to the physical and mental challenges it presents. Participants push their bodies to the limit by consuming large quantities of food in a short amount of time, leading to potential health risks and discomfort. The intense training, strategy, and competitive nature of the sport also contribute to its classification as extreme. However, some may argue that it lacks the traditional physicality and athleticism associated with other extreme sports. **

Yes, football is already a competitive sport. It is played at various levels, from local community leagues to professional leagues, and the competition is fierce at every level. Players and teams train rigorously to improve their skills and tactics in order to outperform their opponents. The competitive nature of football is evident in the intense matches, the drive to win championships, and the passion of the fans. **

Competitive eating is often considered one of the most unhealthy sports due to the excessive consumption of high-calorie and unhealthy foods in a short period of time. The practice can lead to serious health risks such as obesity, digestive issues, and even choking hazards. Additionally, the lack of nutritional value in the foods consumed during competitive eating events can have long-term negative effects on overall health. While competitive eating may not involve physical exertion like other sports, the impact on one's health should not be underestimated. **

Ballet as a competitive sport involves dancers competing in various categories such as classical ballet, contemporary ballet, and variations. Dancers are judged on their technical skill, artistry, and performance quality. Competitions often include solo, duet, and group categories, and dancers may perform both classical and contemporary pieces. The competitive aspect of ballet encourages dancers to continually improve their skills and artistry, and provides a platform for them to showcase their talent and dedication. **

Tricky puzzles are challenges or problems that require creative thinking, problem-solving skills, and sometimes a different perspective to solve. They often involve complex patterns, hidden clues, or misleading information that can make them difficult to figure out. Tricky puzzles can be found in various forms such as riddles, brain teasers, logic puzzles, or escape room challenges, and they are designed to test and stimulate the mind. **

Ballet has been considered a competitive sport since the early 20th century when ballet competitions started to gain popularity. The first international ballet competition, the Varna International Ballet Competition, was held in 1964, further solidifying ballet as a competitive sport. Since then, numerous ballet competitions have been established worldwide, providing dancers with opportunities to showcase their skills and compete for prestigious titles. **

It is non-competitive inhibition. This is because the inhibitor binds to an allosteric site on the enzyme, which is different from the active site where the substrate binds. This type of inhibition does not compete with the substrate for binding to the enzyme, hence the name non-competitive inhibition. **