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Terms in this set (124)
Matter is anything that takes up space by having volume
What is matter and what and mass
state can it exist in?
matter can exist as a liquid, solid, or gas
essential elements are required for human life and are
Explain the difference abundant
between essential and
trace elements trace elements are required for human life but in small
amounts
generated based on the attraction between oppositely
Describe an Ionic bond
charged particles
occurs when electrons are shared by two atoms to
describe covalent bond
complete the valence shell of both
Hydrogen bonds form between a hydrogen atom that
has partial positive charge and another atom, like
describe hydrogen bond oxygen or nitrogen, carrying partial negative charge.
relatively weak bond
True or False; If false, make False
the statement true: Anions Anions are negatively charged ions and cations are
are positively charged ions, positively charged ions.
and cations are negatively
charged ions.
, Which of the following are ribosomes
not one of the organic
compounds that make up
biomacromolecules?
lipids, proteins, ribosomes,
carbs
-carbohydrates are also referred to as sugar
-Carbohydrates are the main fuel source for organisms
What are carbohydrates
-Carbohydrates are made up of carbon, hydrogen, and
oxygen
Why are lipids unique Lipids are unique because they are insoluble in water.
among the
biomacromolecules?
Why are lipids insoluble in Lipids are insoluble in water because they are made up
water? of hydrocarbons which are are non-polar
A phospholipid contains a polar head connected to a
Describe the structure of a non-polar tail. The polar head contains a phosphate
phospholipid. group and is hydrophilic and the non-polar tail contains
fatty acid chains and is hydrophobic.
-act as enzymes and regulate metabolic functions
-form antibodies for immune defense
-act as transporters and form membrane channels
Name the functions of
-form cell surface receptors to receive chemical
proteins as mentioned in
messages
the module.
-store amino acids
-act as a hormone
-act as structural molecules for support and movement
Describe how the shape of Proteins form attachments and interact with other
a protein is related to its molecules. The shape of a protein determines which
function molecules each protein can interact with.
-DNA: responsible for storing all the genetic
What are the roles of the information needed for an organism to develop,
two major types of nucleic function, and reproduce
acids? -RNA: responsible for translating the genetic
information in DNA and using it to synthesize proteins