Chapter 5 Biology Quiz, open book,
Reece/ Campbell
There are four classes of life’s organic
compounds: c_______________,
p______________, n_________ a__________, and lipids. The first three are formed from p____________s. The building blocks of p___________ are
monomers.
Monoers are connected by a reaction in
which two molecules are covalently bonded to each other through loss of a
w______molecule, in a process called a condensation or dehydration reaction. They come apart again in the opposite
reaction, called h________, where a water is added.
In the body, p_________ are broken up into
their m___________ (often in the digestive tract), the m______ are released and
absorbed into the bloodstream for distribution to all body cells. The cells can then reassemble the
m__________s into p________s.
Carbohydrates are built from s________ and
their p__________s. The simplest
carbohydrates are m___________, known as s_________ sugars. They generally have molecular formulas
that are some multiple of _____________.
In aqueous solutions most sugars form
r________.
Monosaccharides are major n___________ for
c_________.
A disaccharide consists of two
monosaccharides joined by a glycosidic linkage. The most pevalent disaccharide is sucrose, which is
t________ s______. Sucrose’s two
monomers are g______ and f_______.
L___________ is the sugar present in milk.
S__________ is the storage polysaccharide
of plants. Animals store a
polysaccharide called g______, a polymer of glucose that is stored in the liver
and m__________ cells.
The polysaccharide that is a major
component of plant cell walls is c___________.
The polysaccharide that is part of
arthropods’ exoskeletons is c________.
L___________ are a class of large
biological molecules that do not contain p_______ and are
hydro____________. F__________s
store large amounts of energy.
S_____________ fats are solid at room temperature, u____________ fats
are generally liquid at room temperature.
Hydrogenated oils have had a ______________ atom inserted to make them
__________ at room temperature.
Explain why phospholipids’ strange
behavior towards water makes them good as part of a cell membrane, using
pictures if you’d like.
Give me three examples of lipids.
Give me three examples of
carbohydrates.
Define: chitin
cellulose
glycogen
starch
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