2. Carbohydrates store energy and provide structural support. They are composed of the following 3 elements:(1 point)
Responses
carbon, hydrogen, and oxygen
carbon, hydrogen, and oxygen
iron, sodium, and carbon
iron, sodium, and carbon
carbon, water, and nitrogen
carbon, water, and nitrogen
carbon, magnesium, and potassium
carbon, magnesium, and potassium
Question 3
3. Nucleic acids are long chains of nucleotides, which make up our genetic material. DNA is made of:(1 point)
Responses
adenine, cytosine, thymine, guanine
adenine, cytosine, thymine, guanine
adenine, bromine, mercury, nitrogen
adenine, bromine, mercury, nitrogen
chlorine, adenine, fluoride, sodium
chlorine, adenine, fluoride, sodium
iron, magnesium, beryllium, potassium
iron, magnesium, beryllium, potassium
Question 4
4. Proteins are large chains of amino acids. There are 20 amino acids used in your body. Proteins carry out many jobs in the cell. Some examples of those jobs are:(1 point)
Responses
Proteins help with communication in the cell.
Proteins help with communication in the cell.
Proteins help with transportation in the cell.
Proteins help with transportation in the cell.
Proteins help break down food.
Proteins help break down food.
All of the above
All of the above
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The correct answer is: All of the above
Nucleic acids are long chains of nucleotides, which make up our genetic material. DNA is made of:(1 point)
Responses
adenine, cytosine, thymine, guanine
adenine, cytosine, thymine, guanine
adenine, bromine, mercury, nitrogen
adenine, bromine, mercury, nitrogen
chlorine, adenine, fluoride, sodium
chlorine, adenine, fluoride, sodium
iron, magnesium, beryllium, potassium
iron, magnesium, beryllium, potassiu
The correct answer is: adenine, cytosine, thymine, guanine
Carbohydrates store energy and provide structural support. They are composed of the following 3 elements:(1 point)
Responses
carbon, hydrogen, and oxygen
carbon, hydrogen, and oxygen
iron, sodium, and carbon
iron, sodium, and carbon
carbon, water, and nitrogen
carbon, water, and nitrogen
carbon, magnesium, and potassium
carbon, magnesium, and potassium