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A&P Cells

Cells/Membranes

QuestionAnswer
Mitosis= cell division
Cells were named by who? Robert Hooke
The 4 elements of cells are? carbon, oxygen, hydrogen, nitrogen
Cells are what % of water? 60%
Cytology= study of cells
When many metals are in there ionic form and carry an electric charge, what are they called? electrolytes
Plasma membrane (cell membrane) are: fragile, surrounds each cell
The nucleus is: control center of the cell, contains genes
The cell membrane is? selectively permeable (lets certain things in and lets certain things out
What is need for for protein manufacture? nucleolus
What is necessary for cell repoduction? DNA
What is the control center of the cell? nucleus
Genes are contained in what? nucleus
What does Microvilli do? increase surface area, thus increasing the ability to absorb
Cytoplasm: holds cell contents, contains organelles (little organs)
Cell membranes contains? phospholipids and cholesterol
Ribosomes= site of protein synthesis
Endoplasmic reticulum (ER)= is used for storage and transport
Rough endoplasmic reticulum function? cells membrane factory
Smooth endoplasmic reticulum function? lipid metabolism and detoxification of drugs
Golgi apparatus= secretes mucus
Lysosomes contain what type of enzyme? digestive
Proteasomes do what? destroy protein molecules which have been damaged or were needed for just a short time
Mitochondria do what? supply most of the ATP also referred to as power house
Centrioles do what? help separate chromosomes in cell division
Cells contain cytoplasm also known as? protoplasm (living matter}
Plasma membrane are: also known cell membrane fragile, surround each cell
What are the 4 functions of proteins? act as cell-to-cell recongnition, may serve as hormone receptors,help to form pores, serve as carriers
DNA is contained within the? chromatin
DNA is absolutely needed for what? cell reproduction
The cell membrane is? selectively permeable (lets certain things in, lets certain thins out
The what is within the Nucleus and what does it contain? Nucleolus, Contains DNA, RNA, and proteins
What is the nucleolus is needed for what? protein manufacture
What site are ribosomes assembled? nucleolus
What does cytoplasm do? holds the cell contents, contains organelles "little organs", cell membranes contains phospholipids and cholestrol
Endoplasmic reticulum are used for? storage and transport
Golgi apparatus does what? secrete mucus
What does cilia do? propel other substances along the cells surface
What do cilia look like? small whiplike extensions
Flagellum does what? propels the cell itself projections are longer than cilia and are called flagella
Solvent= substances present in larger amounts in a solution
Solute= substance present in small amounts in a solution
Solution= solvent + solute
Diffusion= movement of molecules from area high concentration (of many collisions) to an area of low concentration (of fewer collisions)
Osmosis= diffusion of water across a selectively permeable membrane
Filtration= water and solutes forced through a membrane
Facilitated filtration= water and solutes forced through a membrane with the help of protein
Phagocytosis= cell eating (active)
Pinocytosis= cell drinking (stationary)
What are the stages of Mitosis? Prophase, Metaphase,Anaphase, Telophase
Benign= noncancerous, cannot spread, may enlarged, treated by surgery or leave it alone
Malignant= cancerous, can spread, treated by radiation, chemotherapy, surgery
Hyperplasia or hypertrophy= increase in tissue size
Stem cell= unspecialized cell that may become many different types of cells
Meiosis= cell division of reproductive cells
Connective tissues do what? connect and support
Epithelial tissue does what? covers and lines the body surfaces, also avascular
What are the 4 functions of Epithelial tissues? protection, filtration, absorption, secretion
Simple squamous epithelia= single layer of cells
Simple cuboidal epithelia= common in glands and their ducts
Simple columnar epithelia= provides some protection and may also occur in areas of absorption or secretion
Pseudostratified epithelia= or Ciliated lines much of the respiratory tract
Muscle tissues one function is to? contract and shorten
Smooth muscle tissue= also known as visceral, peristalsis-wave like contraction, involuntary
Skeletal muscle tissue= striated and is voluntary
Cardiac tissue is only found in the? heart, involuntary
Nueron= nerve cell
Neuroglia= nerve glue
PNS= peripheral nervous system
Axon= caries impulses away from the cell body
Dendrites= carries impulses toward the cell body
Synapse= space between cell bodies
Neurotransmiter= chemical
What consist of cells that make and secrete a secretion? a gland
Endocrine glands are? ductless
Exocrine glands have? ducts
Bone connective tissue= bone has good blood supply
Osseous= bone cell
Osteo= bone
Cartilage= avascular
Dense connective tissue, Tendons= attach muscle to bone
Dense connective tissue, Ligaments= bone to bone
Collagen fibers are? strong fibers
Elastin fibers= stretch & recoil
Loose connective tissue, Areolar= tissue that soaks up fluid from an inflamed area. Becomes puffy (edema)
Loose connective tissue, Adipose= stores fat, insulator
What is the only liquid tissue? blood
Scar tissue= strong, lacks the flexibility of most normal tissue
Metastasis= spreading of cancer cells from 1 organ or tissue to another
Mucous membranes secrete? mucus, and are open to the outside
Serous membranes secrete? serous fluid
Cutaneous membrane= skin
What is the control center of the cell? mitochondria
What part of the cell is the 'power house'? mitochondria
Lysosomes contain? digestive enzymes
What is needed for protein manufacture? nucleolus
Which type of tissue moves the bones? skeletal
Created by: jhowe2323