Answer:
Option (1).
Explanation:
DNA (deoxyribo nucleic acid ) is the genetic material present in all the organisms except some viruses. DNA structure follows the Chargaff's rule.
Accoprding to Chargaff's rule, the ratio of purines to pyrimidines in a DNA molecule is equal to 1. The amount of guanine is nearly equal to the amount of cytosine whereas the amount of thymine is nearly equal to the amount of adenine.
Thus, the correct answer is option (1).
Answer:
Here are the top five reasons why you need to wear safety glasses. Safety glasses can prevent foreign objects that are floating around from damaging your vision. Dangerous particles or chemicals could be floating around in your workplace. Some jobs that are at a high risk include construction, maintenance, welding, plumbing, and mining.
Explanation:
Answer:
the mass if the mouse minus the mass of waste produced by the snake
This means that it only allows for select materials to be able to move across it and not all molecules and other substances floating in the external environment. The proteins and the phospholipid Bilayer help to contribute the selectivity of the membrane.
A renewable resource is something that provides power but will never run out. Eventually natural gas and oil and coal will run out. Wind is renewable because it will never run out, unless the world ends, then it won't matter.
