Learn how to use your camera's exposure settings to take much, much better pictures in all kinds of conditions. 1  Digital Camera Basics: Understanding Exposure. 2  Working with Shutter Speeds and f-stops.  f-stops and Depth of Field. The amount of light and a photo's exposure aren't the only things that the aperture and shutter control. The size of the aperture determines just how much of your scene is sharply in focus, or its depth of field.
The binomen is an organism's scientific name. The system accepts subspecies names, forming a trinomen (three names), which begins with the mandatory binomen. By convention, the first letter of the generic name is capitalized but those of ...
Definition of exon. : a polynucleotide sequence in a nucleic acid that codes information for protein synthesis and that is copied and spliced together with other such sequences to form messenger RNA â compare intron.