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116 Cards in this Set

  • Front
  • Back

Chemical Level (Atoms - Molecules)


Cellular Level (Cell - Organelle)


Tissue Level


Organ Level


Organ System Level


Organismal Level

Organizational Level

Atoms, Molecules


(Carbohydrates, Proteins, Fats, Nucleic Acids, ATP)

Examples of Chemical Level

Prokaryotes, Eukaryotes

Examples of Cell Level

Endomembranous (Nucelus, ER, golgi, lysosome, peroxisome, mitochondria)
Non Membranous (Cytoskeleton, ribosome, centriole, nucleolus)

Example of Organelle Level

Epithelium (Simple, Stratified, Squamous, Cuboidal, Columnar, Gland)
Connective (Dense, Loose, Cartilage, Osseous, Blood)


Muscle


Nerve

Example of Tissue Level

Liver, brain, blood vessel, stomach

Example of Organ Level

Cardiovascular


Integumentary


Skeletal


Muscular


Nervous


Endocrine


Lymphatic


Respiratory


Digestive


Urinary


Reproductive



CDEILMNRRSU

Example Organ System Level (11)

Integumentary System Function

Function: Forms the external body covering, and protects deeper tissues from injury. Synthesized vitamin D, and houses cutaneous (pain, pressure, etc.) receptors and sweat and oil glands.

Hair, Skin, Nails

Major Organs of the Integumentary System

Skeletal System Function

Function: Protects and supports body organs, and provides a framework the muscles use to cause movement. Blood cells are formed within bones. Bones store minerals.

Joint, Bones

Major organs within Skeletal System

Muscular System Function

Function: Allows manipulation of the environment, locomotion, and facial expression. Maintains posture, and produces heat.

Skeletal muscles

Major organs of the muscular system

Lymphatic System/Immunity Functions

Function: Picks up fluid leaked from blood vessels and returns it to blood. Disposes of debris in the lymphatic stream. Houses white blood cells (lymphocytes) involved in immunity. The immune response mounts the attack against foreign substances within the body

red bone marrow, thymus, lymphatic vessels, thoracic duct, spleen, lymph nodes

Major organs of the lymphatic/immunity system

Respiratory System Function

Functions: Keeps blood constantly supplied with oxygen and removes carbon dioxide. The gaseous exchanges occur through the walls of the air sacs of the lung.

Nasal cavity, pharynx, larynx, trachea, lung, bronchus

Major organs within the respiratory system

Digestive System Functions:

Functions: Breaks down food into absorbable units that enter the blood for the distribution to the body cells. Indigestible foodstuffs are eliminated as feces.

Oral cavity, esophagus, stomach, liver, small and large intestine, rectum, anus

Major organs of the digestive system

Nervous system functions

Function: as the fast acting control system of the body, responds to internal and external changes by activating appropriate muscles and glands.

Brain, spinal cord, nerves

Major organs of the nervous system

Endocrine system function

Function: Glands secrete hormones that regulate processes such as growth, reproduction, and nutrient use (metabolism) by body cells.

Thyroid gland, thymus, adrenal gland, pancreas, pineal gland, pituitary gland, ovary, testis

Major organs of the endocrine system

Cardiovascular system function

Function: Blood vessels transport blood, which carries oxygen, carbon dioxide, nutrients, wastes, etc. The heart pumps blood.

Heart, blood vessels

Major organs of the cardiovascular system

Urinary system functions

Function: Eliminate nitrogenous wastes from the body. Regulates water, electrolyte and acid base balance of the blood.

Kidney, ureter, urinary bladder, urethra

Major organs of the urinary system

Reproductive System functions

Function: Overall function is production of offspring. Testes produce sperm and male sex hormone, and male ducts and glands aid in delivery of sperm to the female reproductive tract. Ovaries produce eggs and female sex hormones. The remaining female structures serve as sites for fertilization and development of the fetus. Mammary glands of female breasts produce milk to nourish the newborn.

Prostate, penis, testis, scrotum, ductus deferens




Mammary glands, ovary, uterine tube, uterus, vagina

Major organs of the reproductive system

Body is erect with feet slightly apart, palms face forward and thumbs point away from the body.

Describe anatomical position

serosa/ serous membrane

Walls of the ventral body cavity and the outer surfaces of the organs it contains are covered by this thin, double-layered membrane:

parietal serosa

Part of the membrane lining the cavity walls

Visceral serosa

The part of the membrane folding on itself to cover the organs of the cavity

Ipsilateral

On the same side, as opposed to contralateral. For example, a tumor involving the right side of the brain may affect vision '__________' that is, in the right eye.

Contralateral

Of or pertaining to the other side. The opposite of iposilateral (the same side). For example, a stroke involving the right side of the brain may cause _____________ paralysis of the left leg.

Bilateral

Relating to both the right and the left side of the body or of a body structure

Polar. Thus it dissolves in water.

Is the biological compound carbohydrate polar or non polar?

Non polar. Thus it is insoluble in water.

Is the biological compound fats polar or non polar?

The structure of an amino acid (the monomer of proteins) can contain both polar and non polar areas (hydrophillic and hydrophobic) so it would depend on the protein whether it dissolves in water.

Is the biological compound protein polar or non polar?

Dehydration Synthesis

When monomers are joined together to form polymers and a water molecule is released.

Dehydration Synthesis

Hydrogen atom is removed from one monomer and a hydroxyl group is removed from the monomer it is to be joined with. As a covalent bond unites the monomers, a water molecule is released.

Hydrolysis

When molecules are degraded.A water molecule is added to each bond to be broken down, thereby releasing its building blocks or smaller molecules.

Dehydration Synthesis Example

Glucose+Fructose => Sucrose

Glucose


Fructose


Galactose

Hexose sugars (Monosaccharides) 3 types

Deoxyribose


Ribose

Pentose sugars (Monosaccharides) 2 types (Hint: DNA & RNA)

Sucrose


Maltose


Lactose

Disaccharides Examples (3 Types)

Glycogen (Stored in animals)


Starch (Stored in plants)

Polysaccharide Examples (2 Types)

True

Polysaccharides are large, insoluble molecules. True or False

True

Large insoluble molecules make ideal storage products. True or False.

Carbohydrate Function

Function: Major function in the body is to provide a ready, easily used source of cellular fuel. (Organic Compound)

Triglycerides


Phospholipids


Steroids

Types of Lipids (3)

Glycerol + 3 fatty acid chains

Composition of a Triglyceride

Phosphorus containing group (polar "head") + Glycerol backbone + 2 fatty acid chains (nonpolar "tail")

Structure of Phospholipid

Four interlocking hydrocarbon rings form a steroid

Structure of steroid

Cholesterol

What is the basis for all steroids formed in the body?

Lipid Functions

Function: Insulate body organs, build cell membranes, provide stored energy

Saturated

Fatty acid chains with only single covalent bonds between carbon atoms is referred to as _____ fats.


- Solid at room temperature


- Ex: Animal Fats

Unsaturated

Fatty acids that contain one or more double bonds between carbon atoms are referred to as _____________ fats.


- The double bonds cause 'kinks' so they cannot pack close enough to solidify.


- Liquid at room temperature


- Ex: Olive oil


- More heart healthy

Trans Fat

Oils that have been solidified by addition of H atoms at sites of carbon double bonds.
- Increase the risk of heart disease even more than solid animal fats.

Phospholipids

Modified triglycerides.


- Diglycerides (2 fatty acid chains with glycerol backbone) with a phosphorus containing group


- Phosphorus hydrophillic head


- Fatty acid hydrophobic tail

Triglyceride Functions

Function: Fat deposits (in subcutaneous tissue and around organs) protect and insulate body organs, are the major source of stored energy in the body

Phospholipid Functions

Function: Chief components of cell membrane. Participate in transport of lipids in plasma. Prevalent in nervous tissue.

Steroids

Made up of 4 interlocking hydrocarbon rings


Fat soluble and contain little oxygen

Cholesterol

Structural basis for manufacture of all body steroids.


A Component of cell membrane.

Cholesterol


Sex hormones

Types of steroids (2 types)

- Basic group called amine group


- Organic acid group


- Variable 'R' Group

Structure of amino acid

Protein

Long chains of amino acids joined together by dehydration synthesis


- More than 50 amino acids)

Peptide Bond

The bond amino acids form with other amino acids from amine group to acid group.

Polypeptide

10 or more amino acids

Macromolecules

Large complex molecules


Ex: Most proteins are _________ because they contain from 100 to over 10,000 amino acids

Primary


Secondary


Tertiary


Quaternery

Four structural levels of proteins

Linear strand of amino acid "beads" is the backbone of the protein molecule

Primary Structure (Protein)

Alpha helix (like a slinky or coiled spring) or beta pleated sheets

Secondary Structure (Protein)

When a helical or b pleated regions fold upon one another to produce compact globular molecule

Tertiary Structure (Protein)

When two or more polypeptide chains aggregate to form a complex protein

Quaternary Structure (Protein)

Releases hydrogen ions. Proton donors.

Acid

Take up hydrogen ions. Proton acceptors.

Bases

Bicarbonate/carbonic buffer system

- Helps to maintain blood pH homeostasis


- Chemical equilibrium between carbonic acid and bicarbonate ion resist change in blood pH by shifting left and right as H+ ions are added/removed from blood.

Bicarbonate ions bind with protons

When body becomes too acidic (drop in pH)

Carbonic acid dissociates

When body becomes too basic (rise in pH)

Carbon


Hydrogen


Oxygen

What elements are found in fatty acid chains?

Carbon


Hydrogen


Nitrogen


Oxygen


Sulfur

What elements are found in amino acids?

Transport


Defense


Regulation


Structure

Functions of proteins

Denaturation

When a protein's original shape is changed...


Hydrogen bonds begin to break in extreme pH and temperature conditions.

Globular proteins that act as biological catalysts

Enzyme

Catalysts

Substances that regulate and accelerate the rate of biochemical reactions but are not used up or changed in those reactions

Nucleus

Where in the cell is DNA located?

Phosphate group + sugar molecule (deoxyribose) + Nitrogenous bae

Basic structure of nucleic acid

carries the genetic information copied from DNA in the form of a series of three-basecode codon “words,” each of which specifies a particular amino acid.

Function of mRNA

ATP

Primary energy transferring molecule in cells and it provides a form of energy that is immediately usable

ATP + H2O <=> ADP + P + Energy

hydrolysis and dehydration to form ATP

Released

Is energy released or required when ATP is broken down?

Thoracic and Abdominopelvic

Two parts of ventral cavity

Cranial and Vertebral

Two parts of Dorsal Cavity

Heart and lungs

2 Organs Thoracic cavity contains

Spinal cord

Organ the Vertebral cavity contains

Brain

Organ the cranial cavity contains

Urinary bladdar, reproductive organs and rectum

Organs contained in the pelvic cavity

Homeostasis

Ability to maintain relatively stable internal conditions even though the outside world changes continuously

Negative Feedback Mechanism

Output shuts off the original effect of the stimulus or reduces its intensity.


Cause the variable to change in a direction opposite to that of the initial change, returning it to its ideal value.


Ex: Regulate heart rate, blood pressure, blood sugar, temperature

Negative Feedback

How does the body maintain homeostasis of temperature

Positive feedback mechanisms

Result or response enhances the original stimulus so that the response is accelerated. The change that results proceeds in the same direction as the initial change causing the variable to deviate further and further from its original value or range.


Ex: Labor contractions, blood clotting

Carbonic acid-bicarbonate system

How does the body maintain homeostasis of blood pH?




H2CO3 <=> HCO3- + H+

Organelles with a definite boundary created by a membrane are called membranous organelles: Nucleus, Golgi Apparatus, mitochondria, Lysosomes, ER, vacuoles, vesicles, and plastids are the main ones.
Non-membranous organelles are: microvilli, ribosomes, centrioles, parts of the cytoskeleton (microtubules etc), are the main ones.

What is the difference between a membranous and non-membranous organelle?

Organelles: cytosol (Intracellular fluid), organelles, and inclusions

What do you find in cytoplasm? (Ions, organelles)

Ions: potassium,sodium,bicarbonate,chloride,calcium,magnesiumamino acids

What do you find in intracellular fluid(=Cytosol)? (Ions, organelles)

Interstitial fluid, blood plasma and cerebrospinal fluid

What do you find in extracellular fluid?

Lipids (Cholesterol, Phospholipids, Glycolipids), Carbohydrates, Proteins (Integral and Peripheral)

Compounds of the cell membrane

Regulation of membrane fluidity
Keeps membrane rigidity and structure

Function of Lipids in Cell Membrane

Aids membrane permeability, diffusion

Function of Phospholipid (Bilayer) in Cell Membrane

Function of Membrane Proteins

Specialized membrane functions such as transport, receptors for signal transduction, attachment to the cytoskeleton and extracellular matrix, enzymatic ability, intercellular joining, cell-cell joining

Selectively mermeable

Allows some substances to enter cells but undesirable substances are kept out. Valuable cell proteins and other necessary substances in the cell, but allows waste to exit

Types of compounds that move easily across cell membrane

Lipid soluble, small solutes, or assisted by a carrier molecule

Structural characteristic of nuclear membrane

Nuclear pores, double phospholipid bilayer

Structural characteristic of mitochondria

dual-membrane. folded inner membrane plays a key role in the production of energy.

Homologous chromosome

similiar but not identical. Each carries the same genes in the same order, but the alleles for each trait may not be the same