That can happen when you did not wash your face before going to bed
<span>The use of the fine lens and the light source.
A light microscope uses focused light and lenses to magnify an object. Light microscopes come in several forms. (1) Simple light microscopes use a single lens to magnify an object and cannot reach high magnification just like a handheld lens whose highest clear magnification in the best conditions is 25x. (2) Compound light microscopes use two sets of lenses - an objective lens and an eye piece. This is the type of light microscope whose magnification power reaches between 1000x and 2000x.</span>
I am not to sure that I understand the question. But it would be impossible for an element to have an atomic mass less than it's atomic number...if it did then it would be a different element.
Answer:
The primary difference between repressible and inducible systems is the result that occurs when the effector molecule binds to the repressor. ... Thus, for the trp operon , the addition of tryptophan (the effector molecule) to the E. coli environment shuts off the system because the repressors binds at the operator.
Explanation:
Science is required in the study of human development because research provides facts and data which will make people enabling to live their lives fully.
There are certain other reasons which make it important to study human development scientifically like the understanding of human development throughout their lifespan, makes a better understanding of the children or the off springs and the way to deal with them. The study of human development usually follows a predictable pattern so it makes a better understanding and enables to take better decisions at certain point of time.
