Answer:
Without enzymes, chemical reactions would not occur quickly enough to substain life.
Explanation:
Answer:
nitrogen is an important element of amino acids that make up proteins. Proteins provide structure and function to living organisms. my
Answer:
Genetic variation is increased by meiosis
During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.
Answer:
I'm not sure, but I think it's 4
Answer:
From largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.