Question | Answer |
Phospholipid bilayer embedded with proteins & is selectively permeable. | Cell membrane |
Contains: polyunsaturated fatty acids, lecithin, cholesterol, vitamin E, transferases (protein carriers) | Cell membrane |
What has the nickname: "doorkeeper of cell" | Cell membrane |
Functions: Controls the passage of materials into and out of the cell | Cell membrane |
Protoplasm which lies between cell membrane and nucleus | Cytoplasm |
has cytoskeleton, network of threadlike and tubelike structures which contribute strength and shape to cell and anchors the organelles | Cytoplasm |
is a colloidal suspension of water (80%), protein (15%), lipids (3%), carbohydrates (1%), and electrolytes (1%). | Cytoplasm |
Rod-shaped, double-membraned organelle packed with enzymes | Mitochondrion |
Site of Kreb cycle and electron transport chain | Mitochondrion |
Nickname: Power plant | Mitochondrion |
Function: Cellular respiration | Mitochondrion |
Energy nutrients are oxidized, and energy released is used to make ATP | Mitochondrion |
Granule consisting of rRNA and protein | Ribosome |
Nickname: Protein factory | Ribosome |
Function: Protein synthesis (mRNA serves as a template) | Ribosome |
Consists of membranes which form an internal transport system | Endoplasmic reticulum (ER) |
Nickname: Assembly line and transportation system | Endoplasmic reticulum (ER) |
Functions: Synthesis and transport of cellular products | Endoplasmic reticulum (ER) |
Functions: Synthesize phospholipids, steroids, and fatty acids | Smooth endoplasmic reticulum (Smooth ER) |
Functions: Stubbed with ribosomes which synthesize proteins for export from cell | Rough endoplasmic reticulum (Rough ER) |
Consists of flattened sacs enclosed by membranes | Golgi Body |
Nickname: Packing and distribution center | Golgi Body |
Functions: Storage, modification, and packaging of secretory products | Golgi Body |
Formation of Glycoproteins, lipoproteins, and lysosomes | Golgi Body |
Organelle containing digestive enzymes which breakdown carbohydrates, lipids, proteins, and nucleic acids | Lysosomes |
Nickname: Suicide Bag | Lysosomes |
Functions: Digestion of old cellular components and worn-out cells | Lysosomes |
Functions: Digestion of foreign particles or bacteria that may enter the cell | Lysosomes |
Nickname: control center of the cell | Nucleus |
Functions: Storehouse for genetic information which is vital to cell division and protein synhesis | Nucleus |
Function: Replication of DNA during cell division | Nucleus |
Function: Transcription of the genetic information into mRNA which is translated into cellular protein in the ribosome | Nucleus |
Consists of: Nuclear membrane, Nucleoplasm, Nucleolus, Chromosomes which consist of genes | Nucleus |
Dense area in the nucleus where ribosomal RNA is synthesized and the ribosomes are assembles | Nucleolus |
A segment of DNA which codes a specific protein | Gene |
A protein catalyst which facilitates a biochemical reaction and is not destroyed in the process | Enzyme |
Provides a surface on which other molecules fit into place and react with one another | Enzyme |
Facilitates the making and the breaking of chemical bonds | Enzyme |
The suffix which indicates and enzyme | "ase" |
On which nutrients do the following enzymes act on:
1- Lipase;
2- Protease;
3- Amylase;
4- Sucrase | 1- Lipase - Lipids;
2- Protease - Protein;
3- Amylase - Starch;
4- Sucrase - Sucrose |
Four classes of Tissue | Epithelial
Connective
Muscle
Nervous |
-TISSUE-
Function: Passive Transport | Simple squamous |
-TISSUE-
Lining of: bobby cavities (mesothelium=serous membranes), cardiovascular and lymphatic vessels (endothelium), lung alveoli | Simple squamous |
-TISSUE-
Function: Active transport (secretion and absorption) | Simple cuboidal
&
Simple Columnar |
-TISSUE-
Lines ducts and tubules of organs. Forms germinal epithelium of ovary and semineferous tubules of testes. | Simple cuboidal |
-TISSUE-
Linning of: digestive tube from lower esophagus to rectum, many glands and ducts | Simple Columnar |
-TISSUE-
Function: Protection against friction, drying, mechanical insult | Stratified squamous |
-TISSUE-
Skin (dry=keratinized). Lining of: mouth,nasal cavity, esophagus, anus, vagina (moist=mucous membrane) | Stratified squamous |
-TISSUE-
Function: Protective lining of ducts; Ability to stretch | Stratified cuboidal (transitional epithelium) |
-TISSUE-
Which tissue is also termed transitional epithelium | Stratified cuboidal (transitional epithelium) |
-TISSUE-
Lining of: ducts of sweat glands, testes tubules, ureters, and bladder | Stratified cuboidal (transitional epithelium) |
-TISSUE-
Function: Generally ciliated, can move material via cilia action | Pseudostratified columnar |
-TISSUE-
Lining of: Trachea, bronchi, some male and female urethra | Pseudostratified columnar |
-TISSUE-
3 Types of connective tissue | Loose;
Dense;
Special |
-TISSUE-
3 types of loose connective tissue | reticular;
areolar;
adipose |
-TISSUE-
2 types of dense connective tissue | regular;
irregular |
-TISSUE-
7 types of special connective tissue | bone;
cartilage;
blood;
teeth;
dentin;
enamel;
cementum |
-TISSUE-
2 types of bone | dense;
cancellous; |
-TISSUE-
3 types of cartilage | hyaline;
elastic;
fibrous |
-TISSUE-
Function: holds shape of organ, filters body fluids | Reticular |
-TISSUE-
Stroma of soft organs: liver, spleen, kidney. Also marrow cavity, termed reticuloendothelial tissue | reticular |
-TISSUE-
Function: support, packing material | areolar |
-TISSUE-
In all parts of body between functional units of organs | areolar |
-TISSUE-
Function: support, protection, energy, insulation | adipose |
-TISSUE-
Around organs and in fat pads of breasts, thighs, abdomen, buttocks | adipose |
-TISSUE-
Function: parallel arrangement of fibers provides unidirectional strength | regular dense connective |
-TISSUE-
Tendons, ligaments, aponeurosis | regular dense connective |
-TISSUE-
Function: Irregular nature of fibers provides strength in all direction of stress | irregular dense connective |
-TISSUE-
Fascia, organs, capsules, septa, sheaths | irregular dense connective |
-TISSUE-
Function: protection, support | Dense Bone |
-TISSUE-
Function: Hemopoiesis, reticuloendthelial activity | Cancellous bone |
-TISSUE-
Skeleton | Dense Bone |
-TISSUE-
Marrow cavity | Cancellous bone |
-TISSUE-
Function: smooth articulation surface, support, protection | Hyaline cartilage |
-TISSUE-
Epiphysis of bones, fetal skeleton, tracheal rings | Hyaline cartilage |
-TISSUE-
Function: Support, flexibility | Elastic cartilage |
-TISSUE-
External ear, epiglotis | Elastic cartilage |
-TISSUE-
Function: support, strength | fibrous cartilage |
-TISSUE-
Intervertebral discs, pubic symphysis | fibrous cartilage |
-TISSUE-
Function: transport of oxygen & Carbon dioxide, combat of foreign proteins, aid in clotting | Blood |
-TISSUE-
Produced in hemopoietic tissue of cancellous bone and reticuloendtothelial tissues of the body | Blood |
-TISSUE-
Of both connective tissue and epithelial tissue origin | Teeth |
-TISSUE-
Function: forms the inner substance of teeth | Dentin |
-TISSUE-
Within tooth structure | Dentin |
-TISSUE-
Function: Highly specialized epithelial product; prevents wear | Enamel |
-TISSUE-
Forms outer tooth covering | Enamel |
-TISSUE-
"Cement" to hold tooth in bone | cemetum |
-TISSUE-
between bone and tooth | cementum |
What are the functions of the following:
1- blasts;
2- clast;
3- cytes | 1- blast - create;
2- clast - destroy;
3- cytes - maintain |
-TISSUE-
3 types of muscle tissues | Striated (skeletal);
Smooth (visceral)
Cardiac |
-TISSUE-
Function: voluntary innervation, all cells contract | Striated (skeletal) |
-TISSUE-
attached to skeletal components | Striated (skeletal) |
-TISSUE-
Function: Involuntary innervation, cells contract and transmit impulses | Smooth (visceral) |
-TISSUE-
Wal of hollow tubular viscera, vessels, iris of eye | Smooth (visceral) |
-TISSUE-
Function: Involuntary innervation, also cells capable of contraction without nervous stimulation . cells can transmit to adjacent cells | Cardiac |
-TISSUE-
Structure of the heart | Cardiac |
***Muscle tissues contract as a response to... | Stimuli |
-TISSUE-
Function: Transmit nervous pulses to other neurons and to target organs | Neuron |
-TISSUE-
within the CNS and peripheral nerves | Neuron |
-TISSUE-
Auxiliary cells of nervous tissue) | Neuroglia |
-TISSUE-
3 types of neuroglia | Astrocytes;
Oligodendrogliocytes
Microgliocytes |
-TISSUE-
Function: exert some control over circulation in nervous tissue | Astrocytes |
-TISSUE-
Attached to blood vessels in CNS | Astrocytes |
-TISSUE-
Function: Serve as: a type of connective tissue within the CNS, source of myelination | Oligodendrogliocytes |
-TISSUE-
Between neurons of the CNS and wrapped around axons in peripheral nervous system | Oligodendrogliocytes |
-TISSUE-
Function: phagocytic activity within the CNS | Microgliocytes |
-TISSUE-
Throughout the CNS and cerebral spinal fluid | Microgliocytes |