25 March 2024

Cheek cells +


 What are all those little black things with my cheek cells asked a student, looking down the microscope at his freshly prepared cheek cell slide. These are bacteria. He went and brushed his teeth immediately and prepared a new slide.

No comments:

Post a Comment

Hormonal Control of Blood Glucose – The Role of Insulin and Glucagon

  GCSE & A-Level Biology Hormonal Control of Blood Glucose – The Role of Insulin and Glucagon Keeping blood glucose within a narrow, sa...