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Z discs

Z disc

(Science: cell biology) region of the sarcomere into which thin filaments are inserted. Location of _ actinin in the sarcomere.


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Effect Of carbon dioxide on rate of photosynthesis

I did an experiment in the lab where we punched out leaf discs, flooded the discs with baking soda via a syringe , then placed in a beaker with water and then recorded the time it took for each disc to rise after being placed in the light box. My results ...

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by ccBiologist
Sat Sep 29, 2012 8:09 am
 
Forum: Botany Discussion
Topic: Effect Of carbon dioxide on rate of photosynthesis
Replies: 4
Views: 4785

Re: hydroxyproline assay to determine collagen content

Hello Stip, I have an adjusted protocol for intervertebral discs. This assay estimates the amount of hydroxyproline, which has been shown to account for approximately 14% the amino acids in collagen. Materials: Hydroxyproline Standard - 1-5 µg/2 0.001N ...

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by ucsfmed2012
Thu Oct 27, 2011 9:30 am
 
Forum: Molecular Biology
Topic: hydroxyproline assay to determine collagen content
Replies: 5
Views: 6762

Re: Stomach bloating and weight gain

... I am now 60 years old. After 2 head injuries (concussions) 30 days apart, it became life threatening. The second head injury caused 5 herniated discs in my neck, the worst being at C7. However, T4 and T5 are the ones that cause me the stomach trouble. Did you know that head and back injuries ...

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by EmmaJean
Thu Jul 07, 2011 2:02 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 451
Views: 2542171

Help with the Heart!!

... of: veins, capillaries, venules, arteries, or the coronary sinus? 3) The myocardium does not contain which of the following: intercalated discs, conduction (Purkinje) fibers, sarcomeres, visceral pericardium, trabeculae carne I am pulling my hair out with these three. I will try to get ...

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by amanderkinz
Mon Feb 28, 2011 3:04 am
 
Forum: Physiology
Topic: Help with the Heart!!
Replies: 2
Views: 3737

Re: water movement in xylem

... the sugar throughout the plant body . The tracheids, vessel elements, and sieve-cells are all lines with pits and have perforations and open discs for transport. Xylem does have lignified cell walls, but they're covered in the pits for diffusion. 2) You have it pretty spot-on with tracheids. ...

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by Ariamezzo
Sat Feb 26, 2011 11:46 am
 
Forum: Botany Discussion
Topic: water movement in xylem
Replies: 2
Views: 6313
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