Answer:
Mutations can affect an organism by changing its physical characteristics (or phenotype) or it can impact the way DNA codes the genetic information (genotype). When mutations occur they can cause termination (death) of an organism or they can be partially lethal
Explanation:
In this question there are many possibilities available. First one can be the presence of only a few organelles in prokaryotes than in eukaryotes.
The most important one however is the form of DNA which circular in prokaryotes and found in chromosomes for eukaryotes
Answer:
By cooling the heart, its need for oxygen is reduced. This allows surgeons to work on the heart for two to four hours without damaging the heart tissue.
The microscopic observations of cells form the basis of the cell theory and the idea that all living things are composed of cells; cells are the structural and functional unit of living things.
