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Grcc Bi 121 Lab Exam 1 Questions With Correct Answers

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GRCC BI 121 LAB EXAM 1 QUESTIONS WITH CORRECT ANSWERS

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Pleural Cavity


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Serous membranes enveloping the lungs and lining the internal walls of the
thoracic cavity.
The serous cavity between these parietal and visceral layers and it contains
fluid




Basal lamina (basement membrane)


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Epithelium attached to connective tissue
Attachment to basement membrane
Barrier between epithelium and connective tissue

, High regeneration capacity
continual replacement of its cells




Diffusion


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Net movement of a substance from area of GREATER concentration to an
area of LESSER concentration
Molecules and ions in constant motion due to Kinetic Energy
if unstopped, ......... continues until substance reaches equilibrium
(molecules distributed evenly throughout given area)




Chromsome


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The MOST compact form of genetic material; a single long molecule of
DNA and associated proteins
becomes visible only when the cell is dividing
Chromatin becomes TIGHTLY coiled masses called ... only when a cell is
dividing




Ventral Cavity


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, the larger, anteriorly placed cavity in the body, does not completely
encase organs in bone (portioned into the superior thoracic cavity and the
inferior abdominopelvic cavity)




Cytoplasm


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Cellular contents BETWEEN plasma membrane and nucleus




Simple Columnar


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one layer of tall, narrow cells
i.e. digestive tract, stomach




Patellar


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Kneecap




Dense Connective


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, mostly protein fibers
less ground substance than loose CT
collagen fibers predominate
1. Dense Regular 2. Dense Irregular 3. Elastic




Pubic


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Anterior region of the pelvis




Melanocytes


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scattered amoung keratinocytes in stratum basale
produce and store pigment (melanin) in response to ultraviolet light
Transfer pigment granules (melanosomes) into keratinocytes




Cranial Cavity


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is formed by the bones of the cranium, and so it also goes by the name
endocranium. The cranial cavity contains the brain

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