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Natural Science 1
Final Exam Study Cards
66
Science
Undergraduate 1
05/01/2013

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Term
Ribosome
Definition
Site of protein synthesis inside the cell
Term
Lysosome
Definition
This organelle is essentially a packet of digestive enzymes
Term
Cell Wall
Definition
This cellulose structure surrounds some types of cells
Term
Cytoplasm
Definition
Watery-protein matrix that fills the cell
Term
Ribosome
Definition
Site of protein synthesis inside the cell
Term
True
Definition
Rough endoplasmic reticulum is the part of E.R. that is associated with the ribosomes.
Term
Which event marks the beginning of the "Modern Age of Biology?"
Definition
Darwin publishes his ideas on evolution in 1859
Term
True
Definition
If the bond between two is the result of electron sharing, it will be a covalent bond.
Term
True
Definition
Amino Acids are linked together by chemical bonds to form polypeptides which eventually become complex enough to be called proteins
Term
True
Definition
The ratio of carbon atoms to hydrogen atoms to oxygen atoms is ALWAYS 1:2:1 in a polysaccharide
Term
Greater Than
Definition
I have placed a cell in a medium hypertonic to it. I know that the salt concentration of medium is 1 molar. The salt concentration inside the cell must be______1 molar.
Term
5
Definition
Nitrogen has an atomic number of 7 and an atomic mass of 14. How many valences does nitrogen have.
Term
True
Definition
Isotopes have identical atomic numbers but different atomic masses.
Term
A + B -----> AB + Energy
Definition
What does exergonic substitution
Term
Negative
Definition
If an atom gains a valence electron it will develop a_____electrical charge.
Term
True
Definition
A theory has a great deal more evidence supporting it than does a hypothesis
Term
False
Definition
Enzymes get consumed in the reactions they catalyze.
Term
True
Definition
Molecular shape plays an important role in the way enzymes operate.
Term
True
Definition
Lipids would be classified as organic molecules
Term
Eukaryotic
Definition
A cell with well defined internal structures (organelles) would be classified a________cell.
Term
Shape and Location of the protein molecules
Definition
The major differences between the Davson-Danielli and the Fluid Mosaic Models of the cell membrane is the
Term
True
Definition
The Renaissance affected the arts long before its effects were felt in the sciences
Term
Pinocytosis
Definition
A type of endocytosis involving relatively small particles
Term
False
Definition
A spontaneous reaction require activation energy.
Term
False
Definition
I A and B are non-reactive, a catalyst must exist that will get them to react
Term
Schwann and Schleidan
Definition
The first part of the Cell Theory stating that all living things are composed of cells
Term
Pasteur
Definition
Conclusively showed the fallacy in spontaneous generation
Term
Robert Hooke
Definition
First to report seeing cells
Term
Bohr and Rutherford
Definition
Developed an early model of atomic structure
Term
False
Definition
Diffusion is a type active transport
Term
The number of neutrons in the nucleus
Definition
The chemical identity of an element is a function of
Term
Ions
Definition
Charged particles are called
Term
Golgi Body
Definition
Cellular secretions are believed to be stored in this intracellular organelle
Term
Protein
Definition
A molecule contains the amino group (NH2) it would be a
Term
True
Definition
Laws are more powerful scientific statements than theories
Term
False
Definition
Once a theory has been shown to be valid, it never changes.
Term
True
Definition
Vitamins are parts of enzymes.
Term
False
Definition
Ionic bonding is more prevalent in living organisms than is covalent bonding.
Term
True
Definition
As an academic discipline, science is falsiable.
Term
Hypotonic
Definition
The shad is a saltwater fish that is at osmotic equilibrium with its environment. Each spring they swim up the Delaware River entering freshwater to spawn. Have the shad entered and environment hypo or hypertonic to them?
Term
Aorta
Definition
Most elastic vessel in your body.
Term
Thromboplastin
Definition
When the platelet ruptures, it releases
Term
Pulmonary artery and aorta
Definition
The ductus areteriosus connects the
Term
Water
Definition
By percent composition, most of your blood is composed of
Term
Pulmonary Vein, Left Atrium
Definition
Blood leaves the lungs via the_______and returns to the_______of the hear
Term
72
Definition
If your blood pressure is 128/72 your diastolic pressure
Term
Fibrin
Definition
The actual blood clot is composed of
Term
True
Definition
The zygote and the blastula are pretty much the same size in the embryological development in most animals we talked about in class.
Term
Mouth
Definition
In protostomes the blastpores develops into the
Term
Trophoblast
Definition
In humans, it is the cells of the_______that invade the endometrium and anchor the embryo
Term
True
Definition
The basic function of yolk is nourish the developing embryo
Term
Zygote, Morula, Blastula, Gastrula, Morphogenesis
Definition
Youngest to Oldest stage
Term
Capillary Beds
Definition
Exchange between the blood and tissues takes place in the
Term
Muscle Contraction
Definition
The primary force that helps speed the return of blood back to the heart through the veins
Term
True
Definition
Valves in the circulatory system help insure that blood flows in a given direction (is directional).
Term
Timing of gamete release
Definition
The function of copulatory behavior is
Term
Education
Definition
The function of post-natal behavior
Term
Reproductive
Definition
This is the last system to become fully functional in humans.
Term
2
Definition
In humans, all of the organogenesis and tissue differentiation takes place during the first_____months.
Term
Amphibians
Definition
This class of animals possesses what known as a 3 chambered heart.
Term
True
Definition
The modified three chambered heart, has two atria and one modified ventricle
Term
Courthsip
Definition
Color change is associated with which type of reproductive behavior.
Term
False
Definition
In humans, the first cleavage is determinate and proof of this is identical twins
Term
True
Definition
Clones are essentially genetic duplicates from different generations
Term
Right Atrium
Definition
Blood returning to the heart from the vena cava enters the
Term
False
Definition
In the clotting process adequate calcium is needed for the conversion of thrombin in prothrombin
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