The vocabulary is difficult.
The anatomical structures (dorsal, ventral) are not always easy to determine.
Some of the pictures did not show all aspects or key features of the organism.
Some specimens were very similar.
There were lots of questions and it seemed to take a long time to narrow them down.
Answer:
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Explanation:
<h2>
Option (B) is Right Answer</h2>
Explanation:
(B) chromatids are attached to one another
- <em>The linkage between the sister chromatids </em>is particularly critical at centromeres because it ensures right <em>microtubule connection to the kinetochores </em>
- In eukaryotes, a centromere is a district of DNA that is responsible for the development of the imitated chromosomes into the<em> two daughter cells during mitosis and meiosis</em>
- There is one centromere on every <em>chromosome and centromeres are responsible for two major functions</em>
- In eukaryotes, a centromere is a district of DNA that is responsible for the development of the imitated chromosomes into the <em>two daughter cells during mitosis and meiosis</em>
Rough er= Rough endoplasmic reticulum ,has ribosomes on the surface ,<span>membranes that contain ribosomes and helps to make proteins </span>
Smooth er= Smooth endoplasmic reticulum,no ribosomes on surface
