Question

Please give me the awnser

Answer 1

Answer:

Number 3: It is needed for DNA

Answer 2

$\huge \boxed{\mathfrak{Question} \downarrow}$

• Why is phosphorus an important biological molecule.

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

• Phosphorus is an important biological molecule because it's needed for DNA.
• Phosphorus is an important structural element in DNA. DNA has a sugar - phosphate backbone.