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Rosario Garcia
physiology wks 1-6
Question | Answer |
---|---|
Prostaglandins and steroids share | a ring structure in their molecules |
When 2 molecules of glucose are joined, they form which disaccharide | Maltose |
Which of the following is an active transport process | Endocytosis |
Meiotic division occurs | in primitive sex cells |
makes proteins by translation | RNA |
Three types of specific carbohydrates | monosaccharides (simple sugars), disaccharides (double sugars), polysaccharides (complex sugars). |
positive feedback system | accelerate a change |
negative feedback system | reverses a chage |
receptors | detect changes in enviroment in skin |
effectors | implements a response to restore balance |
control center | processes info and decides on response (hypothalamus) |
lipids that form hormones like cortisone, estrogen and testosterone | steroids |
23 chromosomes per cells in humans are | haploid |
amino group in amino acid | NH3+ |
structural lipid found in a cell membrane | phospholipid and steroid |
free radical | functional group that is temporarily unattached, highly reactive due to unpaired electrons |
difussion | uses cellular energy |
when chromosomes align across the equator | metaphase |
ectodern layer | skin cells, neurons, pigment cells |
mesoderm layer | skeletal muscle, tubule cell in kidney, rbc's, smooth muscle, cardiac muscle |
endoderm layer | lung cell, thyroid cell, pancreatic cell |
phospholipids have a | lipids bilayer; hydrophobic tails and hydophilic heads |
epidermis/ 5 layers/epithelial tissue | makes keratin, rapid cell division/skin color basale,spinosum,granulosum,lucidum, corneum |
Tactile epithelial cells, also called Merkel cells, | located in the deepest layer of the epidermis they connect to sensory nerve endings to form structures that serve as light touch receptor |
Dermis/2 layers/connective tissue | papillary dermis(collagen,protein) reticular dermis (anchors,arrector pilli) |
Hypodermis/ 1 layer | subcutaneous fat, muscle sits below this layer |
axial | skull, ribcage, vertebral columm |
apendicular | 2 legs, 2 arms, hips |
diaphysis | shaft of bone/ yellow marrow |
epiphysis | knuckle of bones(ends) red marrow |
methaphysis | growing plate |
hematopoeisis | stem cells are created and differentiate into rbc's, wbc's and platelets and subtypes |
type of muscle w/o T-Tubules | smooth muscle |