Answer:
The two main types of nucleic acids are DNA and RNA. Both DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell 's activities, while RNA converts that code into proteins to carry out cellular functions.
Explanation:
Answer : controllable
Explanation: the second option
To ensure safety, leftovers that have been properly wrapped and refrigerated should be eaten within<u> three days.</u>
Leftovers can be kept for three to four days in the refrigerator. We should be sure to eat them within that time. After that, the risk of food poisoning increases. Food poisoning is the result of eating contaminated, spoiled, or toxic food. hence, to avoid such condition food must be consumed within shortest duration possible.
Learn more about Food Poisoning here:
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The target heart rate zone is 60-80%