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Bio 161 Psu Exam 1 Questions And Answers With Verified Solutions Already Passed (GRADED A+)
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Bio 161 Psu Exam 1 Questions And Answers With Verified Solutions Already Passed (GRADED A+)
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Bio 161 Psu Exam 1 Questions AndAnswers With Verified Solutions Already
Passed (GRADED A+)
hair is produced by - ANSWER✔✔ -matrix cells at base of follicle
-is in reticular dermis
-follicle contains melanocytes
-glands prod sebum
merkel cells - ANSWER✔✔ touch receptors in association with sensory nerve
endings
membranes in our body are formed from ___________ and _______________
____________ ______________ ______________ - ANSWER✔✔ epithelium
AND areolar loose connective tissue
mucous membranes line...
serous membranes line... - ANSWER✔✔ -passages to the outside world, ex
respiratory tract
-interior body cavities and cover organs
-BOTH have epi areolar layer
functions of cytoskeleton - ANSWER✔✔ -structural support
-tracks for the transport of organelles or vesicles
-important for muscle function
--cytoskeletal proteins (actin) allow for muscle contraction
starch vs cellulose vs glycogen - ANSWER✔✔ -storage carb of plants
-structural component of cell walls
-storage carb animals
steroid hormones (def, where is it produced) - ANSWER✔✔ chem messengers that
send signal from one cell to another, 85% prod by liver
nucleotide that functions energy transfer in the body - ANSWER✔✔ atp
, composition of phospholipids - ANSWER✔✔ fatty acids, phosphate group,
glycerol
composition of triglycerides - ANSWER✔✔ 1 glycerol and 3 fatty acids
endoplasmic reticulum - ANSWER✔✔ -made of lipids
-location of translation (protein synthesis) via ribosomes
ribosomes - ANSWER✔✔ organelles made of protein and RNA that direct protein
synthesis in the cytoplasm
Golgi bodies - ANSWER✔✔ -made primarily of lipids
-stacks of membranes
-packaging proteins for transport in membrane
mitochondria - ANSWER✔✔ -function in ATP production (cellular respiration)
-have a small piece of circular DNA
--inherited from mom
--mutations can cause diseases
Cytoskeleton - ANSWER✔✔ -network of proteins in the cytoplasm
-fn = structural support, tracks for transport of vesicle or organelles
-cytosk proteins, ACTIN, allow for muscle contraction
organelles involved in gene expression
organelles made primarily of lipids (4)
organelles that consist of mostly proteins (2)
organelles that fn in transport of material within the cell (2) - ANSWER✔✔
nucleus, ER, golgi body
membrane, ER, golgi body, vesicles
ribosome, cytoskeleton
vesicle, cytoskeleton
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