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119 Cards in this Set
- Front
- Back
Smallest units of Matter are ______.
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atoms
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Two or more atoms combine to form a ___________.
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molecule
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Large molecules join in specific ways to form _____.
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Cells
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____________, are the basic units of structure and function in organisms.
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Cells
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___________, are precise organizations of similar cells that perform specialized functions.
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Tissues
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The four types of tissues are:
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1). Epithelial Tissue
2). Connective Tissue 3). Muscle Tissue 4). Nervous Tissue |
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_______, contain two or more tissue types that work together to perform specific functions.
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Organs
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The _______ _________ _______, consists of related organs that work together to coordinate activities and achieve a common function.
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Organ System Level
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Everything is made up of ________.
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Matter
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The atoms that make up our mass are:
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Carbon, Nitrogen, Oxygen, Hydrogen
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The four macromolecules that make up organelles are:
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1). Proteins
2). Carbohydrates 3). Lipids 4). Nucleic Acid |
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Define: Cytology
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study of cells
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Define: Histology
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study of tissues
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Define: Anatomy
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study of structure
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What does Anatomy mean?
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To cut something up
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Several properties or features that are common to all organisms are:
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1). Organization
2). Metabolism 3). Growth and Development 4). Responsiveness 5). Regulation 6). Reproduction |
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Provides protection, regulates body temperature, site of cutaneous receptors, synthesizes vitamin D, prevents water loss
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Integumentary System (skin)
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Provides support and movement
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Skeletal System
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Produces body movement, generates heat when muscles contract
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Muscular System
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Controls body movement. Helps with Integration and coordination.
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Nervous System
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Uses chemical messengers to maintain homeostasis
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Endocrine System
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Transports things to and from the cells
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Cardiovascular System
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Transports and filters fluids away from the cells (one-way)
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Lymphatic System
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Absorbs oxygen and excretes carbon dioxide. Helps maintain homeostasis
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Respiratory System
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Absorbs nutrients, excretes wastes that are not able to be digested.
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Digestive System
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Filters the blood and removes waste products from the blood. Absorbs, reabsorbs.
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Urinary System
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Produces sex cells
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Male or Female Reproductive System
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Specific body position in which an individual stands upright w/ the feet parallel and flat on the floor. The body is upright, forearms are positioned so palms are facing forward.
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Anatomic Position
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Vertical plane that divides the body into anterior and posterior parts
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Coronal Plane
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cuts perpendicularly along the long axis of the body or organ. Body or organ is separated into both superior and inferior parts.
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Transverse Plane
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extends through the body or organ vertically and divides the structure into right and left halves.
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Sagittal Plane
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Plane that passes through the specimen at an angle.
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Oblique Plane
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ADT: In front of; toward the front surface
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Anterior (EX: The stomach is anterior to the spinal cord)
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ADT: In back of; toward the back surface
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Posterior (EX: The hear is posterior to the sternum)
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ADT: At the back side of the human body
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Dorsal (EX: The spinal cord is on the dorsal side of the body)
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ADT: At the belly side of the human body
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Ventral (EX: The umbilicus (belly button) is on the ventral side of the body)
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ADT: Toward the head or above
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Superior (EX: The chest is superior to the pelvis)
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ADT: Toward the feet not head
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Inferior (EX: The stomach is inferior to the heart)
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ADT: At the rear or tail end
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Caudal (EX: The abdomen is caudal to the head)
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ADT: At the head end
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Cranial (EX: The head is cranial to the trunk)
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ADT: Toward the midline of the body
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Medial (EX: The lungs are medial to the shoulders)
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ADT: Away from the midline of the body
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Lateral (EX: The arms are lateral to the heart)
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ADT: On the inside, underneath another structure
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Deep (EX: Muscles are deep to the skin)
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ADT: On the outside
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Superficial (EX: The external edge of the kidney is superficial to its internal structure)
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ADT: Closest to point of attachment to the trunk
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Proximal (EX: The elbow is proximal to the hand)
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ADT: Furthest from point of attachment to trunk
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Distal (EX: The wrist is distal to the elbow)
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Includes the head, neck, and trunk; it forms the main vertical axis of our body.
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Axial Region
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Limbs, appendages, attach to the body's axis and make up the _______ _________.
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Appendicular Region
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Formed by the cranium and houses the brain
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Cranial Cavity
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Formed by the individual bones of the vertebral column and contains the spinal cord
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Vertebral Canal
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The serous membrane is composed of two layers, the _________ layer and ___________ layer.
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Parietal; Visceral
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Lines the internal surface of the body wall
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Parietal Layer
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Covers the external surface of organs within the cavity
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Visceral Layer
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thin, moist, delicate membranes. Isolates and reduces friction.
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Serous membrane
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Serous membrane that surrounds the heart
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Pericardium
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moist, two-layered serous membrane that lines the abdominopelvic cavity
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peritoneum
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Superior region in the middle column, typically contains part of the liver, stomach, etc.
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Epigastric Region
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Middle region in the middle column, typically contains colon, small intestine, etc.
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Umbilical Region
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Inferior region in the middle column, typically contains part of the small intestine, bladder, etc
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Hypogastric Region
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superior region lateral to the epigastric region. typically contains liver, gallbladder, etc.
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Right & Left hypocondriac region
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Middle regions lateral to the umbilical region
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Right and left Lumbar regions
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the inferior regions lateral to the hypogastric region.
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Right and left iliac regions
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state of equilibrium, or constant interval environment in the body
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Homeostasis
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four areas of the abdominopelvic cavity that are formed by passing one vertical and one horizontal line through the navel.
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Abdominopelvic Quadrant
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nine areas in the abdominiopelvic cavity that are formed by two transverse planes and two parasagittal planes
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Abdominopelvic Regions
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outer limits of the cell
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cell membrane
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all cellular contents located between the plasma membrane and the nucleus; stores nutrients and dissolved solutes
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cytoplasm
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three components of the cytoplasm are
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cytosol, organelles, and inclusions
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cell's control center. controls protein synthesis and directs the functional and structural characteristics of the cell
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nucleus
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provides support for organelles
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cytosol
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carries out specific metabolic activities of the cell
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organelles
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Name all the "Membrane-Bound" Organelles
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Rough ER, Smooth ER, Golgi Apparatus, Lysosomes, Peroxisomes, Mitochondria, and Nucleus
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Name all the "Non-Membrane" Organelles
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Ribosomes, Cytoskeleton, Microfilaments, Intermediate Filaments, Microtubules, Cetrosome, Centrioles, Cilia, Flagellum, Microvilli, and Inclusions
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fixed ribosomes; produces proteins. surrounds the nucleus
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Rough Endoplasmic Reticulum
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interconnected membrane sacs; has no ribosomes so it does not produce proteins. instead produces lipids
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Smooth Endoplasmic Reticulum
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modifies, segregates, and stores proteins
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Golgi Apparatus
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produces ATP. "Powerhouse" of the cell
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Mitochondria
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Digest materials or microbes ingested by the cell
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Lysosomes
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detoxifies toxins; converts hydrogen peroxide formed during metabolism to water
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Peroxisomes
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cell control center. controls all genetic information. inside is DNA
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Nucleus
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loosely coiled DNA
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chromatin
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produces Proteins
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Ribosomes
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the only function during Mitosis. Splits up chromosomes during nuclear division.
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Centrioles
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Increase the surface area of absorption. Only certain cells have this.
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Microvilli
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Move substances across cell surface
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Cilia
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propelles sperm cell
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Flagellum
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store materials
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Inclusions
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provides structural support; helps cells move and provides structural support
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Cytoskeleton
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Materials that are insoluble in water
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Lipids
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Lipids which contain both water-soluble and water-insoluble regions
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Phospholipids
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a type of lipid called a steroid
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Cholesterol
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lipids with attached carbohydrate groups
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Glycolipids
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complex, diverse molecules composed of chains of smaller molecules called amino acids.
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Proteins
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Molecules that are important for functional or metabolic activities in the cell
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Enzymes
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What are the four Functions of the Plasma Membrane?
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1). Communication
2). Intercellular Connection 3). Physical Barrier 4). Selective Permeability |
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Substances move across a plasma membrane without the expenditure of energy by the cell
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Passive Transport
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the tendency of molecules to move down their concentration gradient; molecules move from a region of high concentration to a region of lower concentration
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Diffusion
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Molecules are spread out evenly into the available space on each side of the membrane
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Equilibrium
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When substances move across membranes unaided b/c they are either small or nonpolar
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Simple Diffusion
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type of passive transport in which water diffuses from one side of the selectively permeable membrane to the other
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Osmosis
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liquids that have substances
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Solvents
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Movement of a substance across a plasma membrane against a concentration gradient, so materials are moved from an area or low concentration to an area of high concentration
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Active Transport
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means by which large molecules are secreted from the cell
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Exocytosis
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cellular uptake of large particulate substances and macromolecules is called________.
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endocytosis
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What are the three forms of Endocytosis?
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1). Phagocytosis
2). Pinocytosis 3). Receptor-Mediated Endocytosis |
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Movement of materials too large to pass through membrane channels
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Facilitated Diffusion
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Movement of solvents and solutes from an area of high concentration to an area of low concentration
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Bulk Filtration
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(low to high) Transport of ions across the membrane against a concentration gradient by transmembrane protein pumps
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Ion Pumps
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Enormous macromolecule that contains the genetic material of the cell
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DNA
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Series of events cell undergoes from time cell is made until it is produced
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Cell Cycle
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90% of cell cycle; when cell grows and stays here
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Interphase
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Division of the nucleus
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Mitosis
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First gap phase: Growth Phase
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G1 phase
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Nuclear DNA is replicated
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S Phase
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Second gap phase; Brief growth period for production of cell division enzymes
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G2 phase
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Chromatin threads appear due to coiling and condensation; nuclear envelope disappears; centrioles move toward opposing cell poles
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Prophase
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Chromosomes line up at the equatorial plate of the cell
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Metaphase
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Centromeres that held chromatid pairs together separate
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Anaphase
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Chromosomes arrive at cellular poles and stop moving; Nucleoli reappear
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Telophase
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