The appropriate answer in the KREBS CYCLE. The Krebs cycle is also called the citric acid cycle. It is a cyclic reaction series involving several carboxylic acids in the mitochondrial matrix. Acetyl groups are oxidized to carbon dioxide while reducing specific co-enzymes. These co-enzymes are now available for ATP synthesis. This cycle or process occurs in the cells mitochondria.
Yes and no, without mutations, there would be no biodiversity, a lack of biodiversity results in vulnerability for excitation. Mutations can also be negative and debilitating for organisms. Without mutations, there would be no differentiation in the genetic pool.
N an experiment the "control" is the group of people or object this is used to measure the effect of the variable. The "control" is the thing that does not change and is not the thing in question.
In an experiment the "variable" is the thing which is changed and manipulated by the experimenter. It is the effect of something,
Example: You want to test a drug. you get a group of 40 people. 20 people are given the pill, 20 people are not given the pill but a sugar pill. the people who have the pill is the "variable" and the people who dont have the pill is the "control".
Observating the test again with another test to find uot the hypothesis
Answer: Option (1)
Explanation:
The extinction event played an important role in the creation of new diverse life forms on earth. After an extinction event, both globally and locally, more than 75% of animal species gets vanish and the only those highly resistant life supporting organisms survive and with due course of time, they undergoes evolution, thereby bringing changes to the existing life forms. This is how they initiates and helps in the increasing species diversity.
Thus, the correct answer is option (1).