Question

একটি আর্দশ ক্রমোজোমের পরিচ্ছন্ন চিত্র অঙ্কন করে চিহ্নিত করো।(For wbbse board of class 10)​

Answer 1

Nitrogen is a component of proteins and nucleic acids and is essential to life on Earth. Although nitrogen is abundant in the atmosphere, most organisms cannot use it in that form. Nitrogen-fixing bacteria accomplish more than 90 percent of all nitrogen fixation and thus play an important role in the nitrogen cycle.