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lab 7 tissues quiz
animal and plant tissues
| Question | Answer |
|---|---|
| what are the two functions of parenchyma? | photosynthesis and storage of water and food. |
| which plant tissue is thin-walled and roughly round? | parenchyma. |
| which plant tissue is elongated with persistent protoplasm and unevenly thickened cell walls? | collenchyma. |
| what is the function of collenchyma? | supports elongated regions of the plant. |
| which plant tissue is uniformly thick cell-walled? | sclerenchyma. |
| what is the function of sclerenchyma? | support. the fibers are used to make linen, rope and burlap. |
| what are the four vertebrate tissues? | epithelial, connective, muscle and nervous. |
| where is epithelial tissue located? | lining cells and body surfaces, walls of blood vessels |
| what are the 2 main functions of epithelial tissue? | protect underlying tissues from water loss and injury and control materials crossing the tissue. |
| what does squamous mean? | flat, like fried eggs |
| what does columnar mean? | rectangular, tall and narrow |
| what does cuboidal mean? | equal length, width and height |
| what does simple mean? | single layer |
| stratified? | multi layered |
| pseudo stratified | appears to have several layers but only consists of one single layer |
| what are the 4 types of connective tissues? | adipose, blood, hyaline cartilage and bone. |
| where is adipose tissue located? | scattered throughout body |
| what are the 2 functions of adipose tissue? | stores fat in adipose cells, pads and insulates the body |
| where is blood tissue located? | blood vessels |
| where is hyaline cartilage found? | in skeletal joints |
| what is the function of hyaline cartilage? | resilience and support |
| where is bone tissue located? | skeleton |
| what is the main purpose of bone tissue? | to provide strength |
| what are the 3 types of muscle tissues? | smooth, cardiac and skeletal |
| what does stria mean? | a stripe or line in tissue |
| where is striated tissue seen? | in skeletal muscle tissue |
| what are intercalated disks? | junctions between cardiac muscle cells designed for rapid cell-to-cell communication |
| what is actin and myosin and which tissue is it found in? | protein filaments found in eukaryotic cells and abundant in skeletal muscle tissue |
| where is smooth muscle tissue found? | uterus and intenstines |
| what does smooth muscle tissue do? | line the walls of gut and blood vessels |
| where is skeletal muscle tissue found? | attached to skeleton |
| what is skeletal muscle tissue function? | contract |
| where is cardiac muscle tissue found and what does it do? | heart; contract as a unit |
| what is a neuron? | nerve cell |
| what is a dendrite? | thin extension from cell body of neuron |
| where is nervous tissue found? | brain and spinal cord |
| what does nervous tissue do? | transmit impluses |
| most reactions in cells are controlled by proteins called.... | enzymes |
| what is a reacting molecule? | substrate |
| change structure and shape | denature |
| 2 factors effecting enzymes | temp and pH |
| the temperate at which reaction is done in the shortest amount of time | optimal range of temperature |
Created by:
heyjessihey
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