Hello there,
I beleive that your correct answer would be D.
Answer:
"Some viruses are good for humans, and others are harmful."
Explanation:
"Some viruses are good for humans, and others are harmful."
The discovery of that genes can be inserted or tiedinto an other dna molecule using a ligase enzyme
Some of the safety rules would include to tie one's hair if it is long and do roll up sleeves if needed. Another is always point the opening of the burner away from one's self and others when heating and lastly never to leave the burner unattended.
<span>Unicellular organisms have all the necessary cell organelles and a well-defined nucleus, therefore fulfilling the characteristics of eukaryotes.</span>