Answer:
A) chromosomes is the correct answer.
Explanation:
Chromosomes are present in nuclei of animals and plants and they are composed of protein and DNA.
functions of chromosomes
- Chromosomes are required for the formation of daughter cells, replication and cell division process.
- Chromosomes carry the genetic material called DNA that provides genetic information to carry out the different cellular processes and functions.
Human red blood cells are formed mainly in the bone marrow and are believed to have an average life span of approximately 120 days<span>.</span>
In plants the endosperm is the structure that forms from a triploid nucleus and nourishes the seed when a plant undergoes double fertilization.
<span>In antarctica, populations of penguins are generally spread evenly across breeding grounds. </span>A uniform population distribution<span> is displayed by the penguins.</span>