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Terms in this set (22)
Matter is anything that takes up space, by having
What is matter and what
volume, and has mass. Can exist in a solid, liquid, or
states can it exist in?
gaseous state.
Explain the difference Essential elements are required for human life. Trace
between essential and elements are only required in small quantities
trace elements
formed when ions of molecules of opposite charge are
Describe an ionic bond
attracted to one another
formed when electrons are shared equally between two
Describe a covalent bond
atoms to complete the valence shells of both
formed by electrostatic interactions between
Describe a hydrogen bond
molecules- relatively weak and breaks easily
True or False: Anions are False: cations are positively charged ions whereas
positive charged ions anions are negatively charged ions
whereas cations are
negatively charged ions.
Which of the following is Ribosomes
not one of the organic
compounds that make up a
biomacromolecule; lipids,
proteins, ribosomes, or
carbohydrates
Carbohydrates are the primary source of fuel for
What are carbohydrates? organisms and have the same three elements in their
structure; carbon, hydrogen, oxygen