Which organelles of a cell possess their own dna? lysosomes and plasma membrane mitochondria and chloroplasts the golgi apparatus and ribosomes

Explain how scientists use geologic time to determine the age of landforms.

When a doctor suspects that a patient may have diabetes, she will often have the patient take a glucose challenge test. after the patient drinks a large amount of sugary solution, his blood is drawn and the circulating levels of glucose in the blood are determined. which of the following curves do you expect from a patient with diabetes? a. curve ab. curve bc. curve cd. normal curvee. none of the above

Half of the polar bears in a small population die. this population may experience changes due to gene flow mutation genetic drift natural selection