Rough ER<span> looks like sheets or disks of bumpy membranes while </span>smooth ER<span> looks more like tubes. </span>Rough ER<span> is called </span>rough<span> because it has ribosomes attached to its surface. The double membranes of </span>smooth<span> and </span>rough ER<span> form sacs called cisternae.</span>
Answer:
A. chromosome
Explanation:
Chromosomes are typically what you see in a chart like karyotype that shows all the chromosomes of a particular organism. These are the highly condensed structures of DNA during replication which makes it easy to transfer DNA during replication.
These are few examples of ecosystem services. These are conditions or processes of natural systems that directly or indirectly have a benefit to humans or enhance their social welfare. They include purification of water and air, maintenance of biodiversity, soil and vegetation generation and renewal, seed dispersal, greenhouse gas mitigation among other services.
