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Exploring Life Chapers 1-6 set 1
Review for Exam over Campbell's Exploring Life Chapters 1-6. Includes supplemental information from lectures.
28
Biology
9th Grade
10/14/2010

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Term
When put in a hypotonic environment, an animal cell will
Definition
swell
Term
Lipids are composed of
Definition
glycerol and fatty acids.
Term
What is the sequence of organelles that a secreted protein would have passed through on its journey out of a cell?
Definition
Rough endoplasmic reticulum, Golgi apparatus, cell membrane.
Term
A glucose molecule contains
Definition
six carbon atoms
Term
Frog eggs placed in an isotonic solution will
Definition
remain the same
Term
Two sugars found in nucleic acids are
Definition
deoxyribose and ribose
Term
The breakdown of a disaccharide may produce
Definition
glucose
Term
Cells which require large amounts of energy would likely contain relatively high numbers of
Definition
mitochondria
Term
An organelle composed of membranous tubules that synthesize testosterone is the
Definition
smooth endoplasmic reticulum.
Term
Name three things made up of glucose molecules.
Definition
Cellulose, starch, glycogen
Term
Synthesis of protein involves the bonding of amino acids to
Definition
peptides
Term
What is necessary for hydrogen bonding?
Definition
polar molecules
Term
Blood has a pH that is slightly basic. A sample of blood containing a buffer is treated with a weak acid. Which pH value would result?
Definition
~ 7.38
Term
Describe hydrolysis.
Definition
Adding water to break a polymer into unit molecules.
Term
Fatty acids containing double bonds are found in
Definition
unsaturated lipids
Term
The chemical reactions in the small intestine take place in a basic (alkaline) environment. Which number indicates this basic pH?
Definition
A pH value greater than 7 indicates basicity.
Term
The carbon chain of a saturated fatty acid
Definition
has no double bonds.
Term
The product of mitochondria is
Definition
ATP
Term
The product of the nucleolus is
Definition
ribosomal RNA
Term
The product of smooth endoplasmic reticulum is
Definition
lipids (including steriods)
Term
The Golgi apparatus is
Definition
a packaging station
Term
A possible explanation for an event that occurs in nature is called a(n)
Definition
hypothesis
Term
The part of an experiment that is subjected to all of the procedures EXCEPT the one being tested is called the
Definition
control
Term
The process that joins amino acids together to make enzymes is
Definition
dehydration synthesis (which in this case is forming peptide bonds)
Term
Acids are defined as compounds that dissociate in water to release
Definition
hydrogen ions H
Term
Give an example of of a unit molecule resulting from hydrolysis
Definition
cellulose (or starch or glycogen) being converted to glucose

protein being converted to amino acids
Term
Energy released from the breakdown of monosaccharides in the cytoplasm is stored in
Definition
ATP
Term
Proteins may denature when
Definition
pH is changed or they are subjected to extremes of temperature
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