Portage Biod 101 Module 1 Problem Set.

PORTAGE BIOD 101 MODULE 1
PROBLEM SET



What is matter, and what states can it exist in? - ans-
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✔✔Matter is anything that takes up space, by having a volume, and has mass. Matter can
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exist in a solid, liquid, gaseous, or plasma state. All matter is made up of certain basic subst
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ances called elements.
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Explain the difference between essential and trace elements. - ans-
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✔✔Essential elements are required for human life. Trace elements are required only in sm
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all quantities.
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Ionic Bond - ans-
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✔✔Generated based on the attraction between oppositely charged particles.
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Covalent Bond - ans- 6 6 6


✔✔Occurs when electrons are shared by two atoms to complete the valence shells of both
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.

Hydrogen Bonds - ans-✔✔Forms a relatively weak bond that is easily broken.
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Cations are _____ charged ions, and anions are _____ charged ions. - ans-
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✔✔positively; negatively 6




Which of the following are not one of the organic compounds that make up biomacromolec
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ules?
-lipids
-proteins
-ribosomes
-carbohydrates - ans-✔✔Ribosomes 6 6




What are carbohydrates? - ans-
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✔✔Carbohydrates, commonly referred to as sugars, are the primary source of fuel for orga
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nisms and have the same three elements in their main structure: carbon, hydrogen, and ox
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ygen.

Why are lipids unique among the biomacromolecules? - ans-
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✔✔Lipids are unique among the biomacromolecules because most of them are insoluble i
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