Explain the steps of DNA fingerprinting that will help in processing of the two blood samples 'A' and 'B' picked up from the crime scene.
5 mark question

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Aplant may open end close its stomata to prevent excess water loss and maintain

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.