Straighterline Biology 101 final exam questions and answers.
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Course
BIO201
Institution
BIO201
Anatomy
The scientific discipline that investigates the body's structures
Developmental anatomy
Studies the structural changes that occur between conception and adulthood
Embryology
a subspecialty of developmental anatomy, considers changes from conception to the end of the either ...
Straighterline
Biology 101 final
exam questions
and answers
Chemical Composition of the Cells:
Atoms - answer Each atom has a
positively charged nucleus which is
surrounded by a cloud of negatively
charged electrons.
The nucleus consists of protons (+)
and neutrons (-).
The number of protons in the nucleus
gives the atomic number.
, Chemical Composition of the Cells -
answer -Ionic bonds form by the loss
and gain of electrons
-Covalent bonds form by the sharing
of electrons
-A cell is formed from carbon
compounds
Chemical Composition of the Cells:
Four Major Families of organic
molecules - answer Fatty Acids- are
components of cell membranes
Amino acids- subunits of proteins
Sugars- provide an energy source for
cells
Nucleotides- subunits of DNA and
RNA
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