BIO 103 UPDATED EXAMS SCRIPT QUESTIONS
AND ANSWERS SURE A+
✔✔Which describes the assumptions of the scientific method to understanding the
physical world? Events are consistent and repeatable, so that if the same conditions are
set up the same results will occur., every event or outcome in nature has a cause or
source, events in the natural world all have natural causes, rather than supernatural
ones, or all of these are assumptions of science? - ✔✔all of these are assumptions of
science
✔✔Monomers are linked together to form polymers by_________reactions. Polymers
are broken down into monomers by_________reactions. - ✔✔dehydration, hydrolysis
✔✔What bond type(s) is/are shown in this molecule? - ✔✔covalent
✔✔One water molecule, as shown in this figure, is held together with________bonds.
This results in the ability of adjacent water molecules to form_______bonds. - ✔✔polar
covalent, hydrogen
✔✔functional groups - ✔✔determine(s) the properties of organic molecules, as is
evident in how these different hormones affect lion sexual development
✔✔Order the bonds from strongest to weakest
, _________ are the strongest bonds, followed by ionic bonds, and the weakest
are________bonds - ✔✔covalent, hydrogen
✔✔An important cellular lipid is phospholipid. This molecule has an amphipathic nature,
which means the_________ are hydrophilic, while the________are hydrophobic. -
✔✔phosphate heads, fatty acid tails
✔✔secondary structure - ✔✔hydrogen bonds drive the formation of corkscrews and zig-
zags
✔✔quaternary structure - ✔✔when two or more fully-folded polypeptides are held
together.
✔✔primary structure - ✔✔the sequence of amino acids in a polypeptide chain
✔✔tertiary structure - ✔✔the unique and complex three-dimensional shape of a single
protein
✔✔Imagine you have 1 gram of each of the following chemicals. Which contains the
most energy? - ✔✔lipid
✔✔Disruption of a protein's shape is called______and results in loss of a
protein's_______ - ✔✔denaturation, function
✔✔What are three differences between DNA and RNA? - ✔✔The sugar component of
an RNA molecule is different from the sugar component of a DNA molecule, RNA is
single stranded, RNA has U instead of T
✔✔Which of the following do ALL cells have? - ✔✔ribosomes, DNA, cell membrane
✔✔True or False? Mitochondria differ from chloroplasts in that mitochondria are not
found in plants, whereas chloroplasts are not found in animals - ✔✔False
✔✔The skin is the body's largest organ. It's made up of many different types of cells.
Oils, produced by the sebaceous glands, prevent the skin from drying and splitting. The
pigment melanin, produced by melanocytes in the epidermis, protects the skin from the
harmful effects of ultraviolet radiation. Sweat, released through ducts to the skin
surface, helps to cool the body. The types of cells that produce these compounds have
different numbers of specific organelles, depending on their function.
Certain conditions of the skin -- caused by defects in melanin secretion by melanocytes
-- are characterized by an uneven pigmentation in the skin. Based on what you know
about protein secretion through the endomembrane system, you would expect these
melanocytes to have melanin retained in the - ✔✔golgi
AND ANSWERS SURE A+
✔✔Which describes the assumptions of the scientific method to understanding the
physical world? Events are consistent and repeatable, so that if the same conditions are
set up the same results will occur., every event or outcome in nature has a cause or
source, events in the natural world all have natural causes, rather than supernatural
ones, or all of these are assumptions of science? - ✔✔all of these are assumptions of
science
✔✔Monomers are linked together to form polymers by_________reactions. Polymers
are broken down into monomers by_________reactions. - ✔✔dehydration, hydrolysis
✔✔What bond type(s) is/are shown in this molecule? - ✔✔covalent
✔✔One water molecule, as shown in this figure, is held together with________bonds.
This results in the ability of adjacent water molecules to form_______bonds. - ✔✔polar
covalent, hydrogen
✔✔functional groups - ✔✔determine(s) the properties of organic molecules, as is
evident in how these different hormones affect lion sexual development
✔✔Order the bonds from strongest to weakest
, _________ are the strongest bonds, followed by ionic bonds, and the weakest
are________bonds - ✔✔covalent, hydrogen
✔✔An important cellular lipid is phospholipid. This molecule has an amphipathic nature,
which means the_________ are hydrophilic, while the________are hydrophobic. -
✔✔phosphate heads, fatty acid tails
✔✔secondary structure - ✔✔hydrogen bonds drive the formation of corkscrews and zig-
zags
✔✔quaternary structure - ✔✔when two or more fully-folded polypeptides are held
together.
✔✔primary structure - ✔✔the sequence of amino acids in a polypeptide chain
✔✔tertiary structure - ✔✔the unique and complex three-dimensional shape of a single
protein
✔✔Imagine you have 1 gram of each of the following chemicals. Which contains the
most energy? - ✔✔lipid
✔✔Disruption of a protein's shape is called______and results in loss of a
protein's_______ - ✔✔denaturation, function
✔✔What are three differences between DNA and RNA? - ✔✔The sugar component of
an RNA molecule is different from the sugar component of a DNA molecule, RNA is
single stranded, RNA has U instead of T
✔✔Which of the following do ALL cells have? - ✔✔ribosomes, DNA, cell membrane
✔✔True or False? Mitochondria differ from chloroplasts in that mitochondria are not
found in plants, whereas chloroplasts are not found in animals - ✔✔False
✔✔The skin is the body's largest organ. It's made up of many different types of cells.
Oils, produced by the sebaceous glands, prevent the skin from drying and splitting. The
pigment melanin, produced by melanocytes in the epidermis, protects the skin from the
harmful effects of ultraviolet radiation. Sweat, released through ducts to the skin
surface, helps to cool the body. The types of cells that produce these compounds have
different numbers of specific organelles, depending on their function.
Certain conditions of the skin -- caused by defects in melanin secretion by melanocytes
-- are characterized by an uneven pigmentation in the skin. Based on what you know
about protein secretion through the endomembrane system, you would expect these
melanocytes to have melanin retained in the - ✔✔golgi
