<span>In any population of bears, some individuals have thick fur, some have thin fur, and some are in between. As temperatures increase with the passage of time, the survival of bears with thin fur will increase, and the number of bears in the population with thick fur will decrease.</span>
Answer:
B. Electrophoresis separates molecules based on charge differences, thereby making it possible to separate molecules that are similar in size, shape, and density.
Explanation:
Chromatography is a process that is used for the separation of complex mixtures of molecules by many repeated partitioning between a flowing (mobile) phase and a stationary phase. The process exploits the properties of the molecules such as charge, size, binding affinity, etc.
However, gel electrophoresis is the technique that separates the molecules based on their charge or mass. It can separate a mixture of molecules with a similar charge based on their mass. Likewise, if all the molecules of a mixture have the same mass but differ in charge, gel electrophoresis can be used to separate them based on their different charges.
For example, a mixture of proteins is allowed to run through the gel of cross-linked polymer polyacrylamide under electrical potential towards the positive or negative electrode. The polyacrylamide gel serves as a sieve and allows the proteins to migrate in proportion to the charge to mass ratio. If all the proteins are of the same mass, gel electrophoresis would separate them based on their charge.
Answer:
The mutations in a genome similar to printing a book.
Explanation:
Every letter in a book resembles the mutations in the genome. errors that appear in one copy can be copied to all other copies of the book. Like printing errors, mutations always negatively affect the final product. Just as a single book is printed at a time, a single mutation is read at a time. Though mutations are not always negative and can help in the survival of the species when selection pressures change.
Answer:
add a cell wall,take on rigid corners, perform a different shape,add chloroplast,make a bigger vacuole
Explanation:
thats how to make it a plant cell, sorry if i misunderstood the question
