You can't use the whole grain. You can grind it in a blender or a coffee grinder and sift it through a fine strainer.
Unless it is specifically made from a gluten-free recipe, no, it is not. Most gingerbread contains wheat flour.
I predict that in a muffin recipe it makes the muffin raise or simply put makes it fluffy.
There are many places that offer organic gluten free recipes. One place that has a wide variety of recipes submitted and rated by users is Allrecipes.
Yes, but there are some recipe with no gluten.
Honey
1 Oz Cinnamon 1 Lb Muffin
Some of the best recipe websites to use are allrecipes.com or foodnetwork.com. These websites should have multiple different corn muffin recipes to try.
With the rise of awareness about the hazards of gluten, many established sites have begun catering to these people with gluten free recipes. Salmon is no exception as sites like Elana's Pantry, Olive Garden, and GlutenFreeVille all have recipes specifically that are gluten free.
Yes, we can substitute buttermilk for milk in recipe.
yes
Is there a question here? Yes you can go ahead and add gluten. It tends to make things "chewy" - in a gluten free recipe the replacement for gluten is usually xantham gum. Although adding gluten to a gluten free recipe defies logic - just buy a regular mix. It will be cheaper!
A good recipe for gluten free cupcakes will be one that doesn't include wheat flours, since wheat contains gluten.