<span><span>Hi,
The two major components of the tobacco mosaic virus were:
1. Protein Coat/Capsid: Each rod consists of about 2130 elliptical protein subunits (capsomers). They are closely packed together and arranged in a helical fashion
</span><span>2. Nucleic Acid: It is a single-stranded RNA helix having a diameter of 80 Å.
Hope I helped :))))</span></span>
<span>This would be a positive reinforcer. These are things like rewards and bonuses that will cause the subject to want to continue the rewarded behavior. The reinforcer does not need to be financial or even tangible. Positive comments and approval can be reinforcers that strengthen associated behaviors.</span>
