Portage Learning BIOL 101 anatomy physiology EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

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Exam Solution
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Portage 1 questions 2026 A+ GRADE ASSURED COMPL
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ETE SOLUTIONS AND VERIFIED ANSWERS (5451A)
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QUESTION 1 zm




What is matter, and what states can it exist in?
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ANSWER

Matter is anything that takes up space, by having a volume, and has mass. Matter can exist in a soli
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d, liquid or gaseous (vapor) state. All matter is made up of certain basic substances called elements
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QUESTION 2 zm




Explain the difference between essential and trace elements.
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ANSWER

Essential elements are required for human life. Trace elements are required only in small quantities
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QUESTION 3 zm




Ionic bond zm




ANSWER

generated based on the attraction between oppositely charged particles
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QUESTION 4 zm




Covalent bond zm




ANSWER

occurs when electrodes are shared by two atoms to complete the valence shells of both
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QUESTION 5 zm

, Hydrogen bonds zm




ANSWER

forms a relatively weak bond that is easily broken
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QUESTION 6 zm




True or False; If false, make the statement true: Anions are positively charged ions, an
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d cations are negatively charged ions.
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ANSWER

False; Cations are positively charged ions, and anions are negatively charged ions
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QUESTION 7 zm




Which of the following are not one of the organic compounds that make up biomacro
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molecules?
ANSWER

Lipids Proteins Correct! Ribosomes Carbohydrates
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QUESTION 8 zm




What are carbohydrates?
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ANSWER

Carbohydrates, commonly referred to as sugars, are the primary source of fuel for organisms and ha
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ve the same three elements in their main structure: carbon, hydrogen, and oxygen (C, H, and O, resp
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ectively)



QUESTION 9 zm




Why are lipids unique among the biomacromolecules?
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ANSWER

Lipids are unique among the biomacromolecules because most of them are insoluble in water. Additi
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onally, lipids are not monomers but are assembled from smaller molecules that are chemically linke
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d together
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QUESTION 10 zm




Why are lipids insoluble in water?
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ANSWER