Answer:
Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.
Explanation:
The rigth answer is the picture 4.
In the case of a hypotonic extracellular medium, there will be a large inflow of water to dilute the Na, thereby increasing the cell volume and there will be an explosion of the membrane in places so hemolysis, the contents of the red cell ( Hemoglobin) is released into the blood plasma.
On the other hand, in the case where the extracellular medium is hypertonic, therefore archi concentrated, well it will be the water of the red cell that will come out without damaging the membrane, we will rather have a red cell that is completely flat and non-functional without release. erythrocyte (Hb) content.
Answer:
Heredity | Khan Academy
Reading a pedigree · Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait.
Kindly see answers below:
1. operon is not transcribe• b.) lac operon: lactose absent• e.) trp operon: tryptophan present2. operon is transcribed, but not sped up by the positive control• a.) trp operon: tryphophan absent• d.) lac operon: lactose present, glucose present3. operon is transcribed quicklu through positive control• c.) lac operon: lactose present, glocuse absent
