Answer:
The correct answer will be-
1. Nucleosomes
2. Chromatin
3. Sister chroamtid
4. Centromere
Explanation:
The DNA is a very long molecule which if has to be passed on to the daughter cell as it is will cause problems. So, to reduce problems a cell form tightly packed structure of DNA so that they can be passed easily to the daughter cell.
The packaging of DNA begins with the wrapping of the DNA around histone proteins which forms the 11 nm basic structural units called nucleosomes. The nucleosomes start condensing each other and form 30 nm structure chromatin fibres.
The chromatin fibres undergo replication during S phase which produces an exact copy of the chromatin called sister chromatids bound to each other at a central point called centromere which helps the separation of the chromatids during M phase.
Following precautions should be taken when constructing;
1)
Contractors should know about the temperature on
the work site.
2)
The unsatisfactory decision of safety measure
strategy will crumple the particular undertaking quality.
3)
There should be the availability of LP gas
heaters and blowers.
4)
Temporary workers can likewise pick poly fenced
in area installed with platform frameworks firmly.
5)
Warmth conveying punctured texture tube running
under platform will be utilized.
6)
There should be the utilization of dry mortar
rather than wet mortar in winter season.
7)
Quick setting mortar or cement Mortar setting
admixtures can be utilized.
8)
Wind should be above 25mph in wind barriers and
the temperature that is required is below 25 degree.
The part of plants that serves as anchorage is the root.
<h3>What anchors plant?</h3>
Plants can grow on different media ranging from soil, rocks, to water.
The primary organ that anchors plants to these growing media is the root.
Plant roots also serve to conduct mineral nutrients and water from growth media to the body of the plants.
More on plant's roots can be found here: brainly.com/question/8647279
#SPJ1
I can't answer 1 but 2=First, make sure you weather proof the house, than go from there and try anything you think is necessary in this situation.
