PORTAGE LEARNING- BIOD 101 EXAM 1
• What is matter and what states can it exist in? :Answer - Matter is
anything that takes up space, by having volume, and has mass. Can
exist in a solid, liquid, or gaseous state.
• Explain the difference between essential and trace elements :Answer -
Essential elements are required for human life. Trace elements are only
required in small quantities
• Describe an ionic bond :Answer - formed when ions of molecules of
opposite charge are attracted to one another
• Describe a covalent bond :Answer - formed when electrons are shared
equally between two atoms to complete the valence shells of both
• Describe a hydrogen bond :Answer - formed by electrostatic interactions
between molecules- relatively weak and breaks easily
• True or False: Anions are positive charged ions whereas cations are
negatively charged ions. :Answer - False: cations are positively charged
ions whereas anions are negatively charged ions
• Which of the following is not one of the organic compounds that make
up a biomacromolecule; lipids, proteins, ribosomes, or carbohydrates
:Answer - Ribosomes
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• What is matter and what states can it exist in? :Answer - Matter is
anything that takes up space, by having volume, and has mass. Can
exist in a solid, liquid, or gaseous state.
• Explain the difference between essential and trace elements :Answer -
Essential elements are required for human life. Trace elements are only
required in small quantities
• Describe an ionic bond :Answer - formed when ions of molecules of
opposite charge are attracted to one another
• Describe a covalent bond :Answer - formed when electrons are shared
equally between two atoms to complete the valence shells of both
• Describe a hydrogen bond :Answer - formed by electrostatic interactions
between molecules- relatively weak and breaks easily
• True or False: Anions are positive charged ions whereas cations are
negatively charged ions. :Answer - False: cations are positively charged
ions whereas anions are negatively charged ions
• Which of the following is not one of the organic compounds that make
up a biomacromolecule; lipids, proteins, ribosomes, or carbohydrates
:Answer - Ribosomes
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