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Step

step

1. In dentistry, a dove-tailed or similarly shaped projection of a cavity prepared in a tooth into a surface perpendicular to the main part of the cavity for the purpose of preventing displacement of the restoration (filling) by the force of mastication.

2. A change in direction resembling a stair-step in a line, a surface, or the construction of a solid body.

3. To move the foot in walking; to advance or recede by raising and moving one of the feet to another resting place, or by moving both feet in succession.

4. A prefix used before father, mother, brother, sister, son, daughter, child, etc, to indicate that the person thus spoken of is not a blood relative, but is a relative by the marriage of a parent; as, a stepmother to X is the wife of the father of X, married by him after the death of the mother of X. See Stepchild, Stepdaughter, Stepson, etc.


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Gene Upregulation/Increased Expression in HMG-CoA Reductase

... that low serum cholesterol would result in increased LDL-Receptors but would not result in upregulation of HMG-COA Reductase (the rate limiting step of cholesterol synthesis) However, wouldn't you expect to see the body compensate for low serum cholesterol by increasing cholesterol production? ...

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by Upperninety8
Tue Sep 30, 2014 3:21 am
 
Forum: Genetics
Topic: Gene Upregulation/Increased Expression in HMG-CoA Reductase
Replies: 0
Views: 47

Why can't bugs sense danger (like avoid being stepped on)?

Maybe because animals usually do not step on them on purpose?

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by JackBean
Mon Aug 25, 2014 6:57 pm
 
Forum: General Discussion
Topic: Why can't bugs sense danger (like avoid being stepped on)?
Replies: 1
Views: 364

I am having difficulty identifying this structure.

I think there would be some problems in your fixation step

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by mitochondrion
Fri Aug 15, 2014 9:37 am
 
Forum: Cell Biology
Topic: I am having difficulty identifying this structure.
Replies: 6
Views: 2380

Re: Food to ATP energy?

... not thinking of. When glucose is consumed in excess (eating more calories than you burn), you will store glucose as fat. This is done in a multi-step process called a biochemical pathway. One mole of ATP can be oxidized to ADP and releases about 7.3 kilocalories in that process. So, the 30 moles ...

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by tmbirkhead
Thu Aug 14, 2014 1:11 am
 
Forum: Cell Biology
Topic: Food to ATP energy?
Replies: 2
Views: 1693

Newbie question about the first life

... were engulfed by a cell but I haven't been able to find the source. If it's true, then I guess it was a bacterium that did this, thus taking a big step on the way to becoming the first eukaryotic cell, so bacteria and mitochondria must've developed independently and side by side before coming together. ...

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by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 10516
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