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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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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: 185

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: 2020

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: 1085

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: 9427

Re: Increase in free energy in glycolysis

... from enthalpy (internal energy) - entropy (chaos). Also expressed as Gibbs Free Energy = Enthalpy - Entropy. The idea is that with each subsequent step of glycoysis there is more chaos and thus the entropy goes up and the free energy becomes more negative. The free energy is becoming more negative ...

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by daniel.kurz
Wed Feb 05, 2014 3:03 am
 
Forum: Molecular Biology
Topic: Increase in free energy in glycolysis
Replies: 3
Views: 2205
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