Caroline set up a fourth test tube that contained a leaf and was exposed to dim light.

After two hours the colour of the indicator solution in this test tube remained orange.

Explain why.
(hydrogen carbonate indicator test)

"griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. griffith's experiment, reported in 1928 by frederick griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - griffith's experiment.

there is no stairs in bungalow

explanation:

can i have brainliest i need one

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.