Chromosomes are thread-like structures in which DNA is tightly packaged within the nucleus.
Answer:
a. Proteins
Explanation:
Chromosomes are made up of DNA tightly coiled many times around proteins
Organisms are composed of cells, they use energy, they grow, and they can reproduce and also living things adapt to their enviorment.
Viruses do not grow, and they cannot reproduce independently. They use host cells to reproduce.
Answer:
A
Explanation:
Artificial means man made or not made by nature basically, meaning that humans breeding organisms for certain characteristics would be artificial.
1 Viruses are not alive, bacteria are.
<span>2 Viruses must replicate in a host cell; bacteria can replicate on their own </span>
<span>3 Viruses are much smaller </span>
<span>4 Viruses have a protein layer called caspid </span>
<span>5 Viruses cannot be killed with antibiotics; bacteria can be. (If you have a virus that makes you sick, you can only treat the symptoms, not the actual bug itself)</span>
