Answer:
Meteorologist
Explanation:
Wegener was a meteorologist in the late 1800s to early 1900s
Answer:
Many years ago scientists believed that protein, DNA is not the genetic material because of many reasons like DNA is made up of only four type of nucleotides while proteins are made up of 20 different types of amino acids. So the building blocks of protein are way high than DNA.
Most of the cellular function is performed by proteins, not DNA. The three-dimensional shape of protein is much higher than nucleic acid. So as protein heterogeneity was high therefore it was considered as a molecule of genetic information instead of DNA.
-Properties that can be observed without changing the identity of the object or substance
-Color, shape, size, density
Answer:
1.concentration is of the dot is higher in the cell
2.the dots will move outside the cell where their concentration is low
3.this is an example of diffusion
Explanation:
diffusion is the movement of molecules from the region of high molecule concentration to the region of low molecule concentration
