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In Biology, what is the hierarchic system of organization?
Kingdom, Phylum, Class, Order, Family, Genus, Species.
For a scientific experiment to be performed, name 3 important steps that must be taken.
1-Hypothesis 2-The experiment must be repeatable
What is specific heat?
The amount of heat necessary to raise the tempurature of 1 gram of a specific molecule by 1 degree Celsius.
The ability of a molecule to stay bonded or attracted to another molecule of the same substance.
Saturated fats are ________ whereas unsaturated fats are ____________ at room tempurature.
What is an enzyme?
A particular type of protiens that act to catalyze different reactions or processes.
What is DNA?
A molecule specific to a particular organism and contains the code that is necessary for replication.
Which organelle reads the RNA produced in the nucleus and translates the genetic intructions to produce protiens.
What is the functions of the Golgi apparatus?
To transport materials from the ER thoughout the cell.
How are lysosomes able to hydorlyze proteins, fats, sugars and nucleic acids?
Lysosomes are packed with hydrolytic enzymes.
What is the function of the cellular membrane?
Protection, communication, and the passage of substances into an out of the cell.
What does the cell membrane consist of?
A bilayer of phospholipids with proteins, cholesterol, and glycoproteins throughout.
What makes the cell membrane selectively permeable?
The phospholipid bilayer creates a hydrophobic region between the two layer of lipids.
What does the first step of cellular respiration produce?
2 molecules of ATP, 2 molecules fo pyruvate, and 2 molecules of NADH.
In cellular respiration how many ATP's can be produced for every glucose molecule consumed?
What is the metaphase plate?
An imaginary plane perpendicular to the spindle fibers of a dividing cell during metaphase.
What happens during the anphage stage in mitosis?
Chromatids begin to separate and are considered to be separate chromosomes.
What is the second process associated with cell division that occurs after the 5 stages of mitosis.
What is a major difference between sexual and asexual reproduction?
Asexual reproduction results in identical offspring, whereas sexual reproduction result in significantly greater varitions of offspring.
Name the phases in the first stage of meisis?
Prophase I, Metaphase I, Anaphase I, and Telophase I and Cytokinesis.
Where does the significant difference between meisois (asexual) and mitosis (sexual) occur?
Prophase I-DNA is tranferred between chromosomes, resulting in increased genetic variation.
What is the benefit of a pedigree family tree?
It can trace the occurrence of a certain trait through swveral generations.
Describe the structure of DNA.
A double helical structure that contains the four nitrogenous bases adenine, thymine, guanine, and cytosine.
What is the specific bonding pattern of DNA?
Adenine binds with Thymine, and Guanine binds with cytosine.
Level of structural orgainization in the human body.
Chemical, Cellular, Tissue, Organ, System, Oranismal.
What is the function of the Integumentary System?
Protect, regulate body temp, eliminates some waste, detects sensations, makes vit D.
What is the function of the Skeletal system?
Supports and protects the body, provides a surface area for muscle attachment, houses cells that produce blood cells and it store lipids and minerals.
What is the function of the Muscular System?
Produces body movements, such as walking; stabilizes body position (posture); generates heat.
What are the components of the Nervous System?
Brain, spinal cord, nerves, and special sense organs, such as the eyes and ears.
What is the function of the Nervous System?
Generates action potentials (nerve impulses) to regulate body activites; detects changes in the body's internal and external enviornments, interprets the changes, and responds by causing muscular contractions or glandular secretions.
Name the layers of the epidermus from the outer layer to the inner layer.
Stratum Corneum, stratum lucidum, stratum granulosum and stratum germinativum.
Name the shapes by which Individual bones can be classified.
Long bone, short bone, flat bone, irregular bone, and sesamoid bone.
How many bones in teh vertebral column?
33 - 7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal
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