I Think The answer is a I hope it helps My friend
Answer:
The correct answer will be option-B.
Explanation:
Photosystem of a plant is complex pigment-protein molecules which absorbs the light energy required for the formation of a glucose molecule.
Two types of Photosystem are present in the plants which are: P₆₈₀ and P₇₀₀. The 680 and 700 denote the wavelength of the light energy absorbed by the pigment of the chloroplast. The electrons get excited only at their absorbing wavelength.
Thus, Option-B is the correct answer.
3.) the circulatory system
Standard microbiological practices (SMPs) should be practiced by microbiologists to protect herself against the pathogens.
What are the Safe Practices for the Microbiology Laboratory:
- Treat all microorganisms as potential pathogens.
- Sterilize equipment and materials.
- Disinfect work areas before and after use.
- Autoclave or disinfect all waste material.
- Never pipette by mouth.
- Clean up spills with care. Wash your hands.
What is Biological Safety Level (BSL):
BSL is a biocontainment designation system with requirements intended to protect personnel from potentially harmful pathogenic exposure in a research or manufacturing environment.
Learn more about the Biosafety level with the help of the following link:
brainly.com/question/27899591
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