| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.50 |
| Score | 0% | 70% |
__________ is caused by a lack of Vitamin C.
scurvy |
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anemia |
|
shingles |
|
diabetes |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
Molecules and atoms that are outputs from a chemical reaction are known as which of the following?
products |
|
results |
|
side effects |
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reactants |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
In which type of compound are electrons shared between atoms?
molecular |
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ionic |
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chemical |
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covalent |
A compound is a substance containing two or more different chemical elements bound together by a chemical bond. In covalent compounds, electrons are shared between atoms. In ionic compounds, one atom borrows an electron from another atom resulting in two ions (electrically charged atoms) of opposite polarities that then become bonded electrostatically.
The connective tissue that connects bones to other bones at joints is called:
ligaments |
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cartilage |
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knuckles |
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tendons |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
Carbohydrates are found in:
food additives |
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vegetable oils |
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animal sources |
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sugars and starches |
Carbohydrates are major sources of energy for the body and are found in sugars (fruit, cane sugar, beets) and starches (bread, rice, potatoes, pasta).