Uracil pairs with adenine in RNA base
How would removing your umbrella in a rainstorm affect your ability to stay dry? The definition of a keystone species is a species that has a crucial role in an ecosystem. Removing one gear from a clock would stop the clock from working. Removing/changing a major contributer to a balance and natural ecosystem can potentially collapse the entire system altogether.
Answer:
Spikes are provided in the shoes of athletes so as to increase the friction and prevents from falling down.
so option C. is the answer
Answer:
Antimicrobial agent
Explanation:
Antimicrobial agents are agents that helps fight against microorganism. The couple occur in natural or synthetic form.
Antibiotics are synthesis from natural source such as mold, bacteria to fight against various diseases.
Cephalothin produce by mold is an example of a natural antimicrobial that is produce by mold to kill microorganism causing various illnesses it could be further process into a synthetic antimicrobial agent and can be used as antibiotics.
There are four forces of evolution: mutation, gene flow, genetic drift, and natural selection.
