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BigorU [14]
2 years ago
6

What is a centromere

Biology
2 answers:
Inessa [10]2 years ago
7 0

a structure on DNA which helps in joining of sister chromatids.

gtnhenbr [62]2 years ago
3 0

the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.

Brainliest Please :)

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Margaret [11]

The particles of the snow have kinetic energy, but being a solid, it has less kinetic energy than that of liquid water. So they move around in a place about its mean position.

Option C

<h3><u>Explanation:</u><u> </u></h3>

Igloos are the small homes made up of snow. It used to be homes for the people living in Arctic regions in past. Now some tribes still live in these igloos, or they are made by tourists for amusements.

Snow is basically precipitation of ice from clouds. Being the solid form of water, ice has molecules more compactly arranged in its crystal structure. Thus, the molecules cannot move here and there like in fluid. But having some kinetic energy, they have certain movements i.e vibrations around its mean position.

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3 years ago
Effects of ozone layer depletion Any five points
SCORPION-xisa [38]
Ozone layer depletion causes increased UV radiation levels at the Earth's surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.
4 0
3 years ago
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_______ is the portion of the skull that encloses and protects the brain
Vinil7 [7]

Answer:

neurocranium

Explanation:

  • The part of the skull that is responsible for covering as well as protecting the brain is termed as neurocranium.
  • The neurocranium consists of the following :
  1. occipital bone
  2. two temporal bones
  3. two parietal bones
  4. sphenoid
  5. ethmoid
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4 0
3 years ago
How do some conditions of urban areas affect the species that live in the area? Give one example.
galina1969 [7]

Answer:

Severage water is most desasterous thing of urbun areas.

noise pollution also damage species

Explanation:

severage water contaminates rivers,canals and other water reserviours that can be harmfull for fish comunity moreover animal may drink water from that water bodies that causes problems in them.

contaminated water from industries also effects water bodies.

noise pollution disturb mental life of man as well as animals .

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irga5000 [103]
<span>ASEAN is an Association of Southeast Asian Nations - a multination association that has as its aim an economic cooperation between Southeast Asian countries (such as Thailand). This association did not arise as a response to external factors, so any reason connected to externam factors would not apply - such as the reliance on some external powers (such as the US). It is focused on the cooperation between the members only - not an external association.</span>
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3 years ago
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