Introns because they are coding sequences.
Exons because they are non-coding sequences.
Answer:
a. enclosing their DNA in a nucleus.
Explanation:
Prokaryotes in general have no membrane bound organelles. The cells are enclosed in a plasma membrane though .
All the statement above are very true of what virus structure constitute.
This goes to say that viruses:
- use DNA as their genetic material.
- have a phospholipid bilayer envelope.
- lack organelles, ribosomes, and a plasma membrane.
- have a capsid.
- require a host for replication.
<h3>What are viruses?</h3>
Viruses are seen and considered as the border line between living and non living things.
- Viruses are living when they are inside another living organism. They are the smallest known microorganisms.
- However, they are non-living when they are outside the system of a living thing
Learn more about viruses:
brainly.com/question/18451282
The vacuole is used to store waste products, water, or toxins. It is like a large holding tank for plant cells.
Hope this helps!
Many things can factor depends on how the plant was made, such as a cactus, it has adapted to the climate, so an area like a rainforest would drown it.