1. Explain double fertilization briefly ?

Where would you most likely not find an alpine glacier? the himalayas the rockies the andes flat areas of antarctica

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic. b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy. c. all bacterial enzymes are harmful to humans and the environment. d. microbes create pollutants and toxins that harm the environment.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions