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AnnZ [28]
3 years ago
15

What occurs in prophase I?

Biology
1 answer:
kap26 [50]3 years ago
4 0

Answer: Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears. ... At the start of prophase I, the chromosomes have already duplicated. During prophase I, they coil and become shorter and thicker and visible under the light microscope.

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Bond [772]
This is called a chemical bond.
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Conservation efforts have preserved most of the bison’s original genetic diversity
kirza4 [7]
True , conservation efforts have, they did this by gently helping the bison.



 with the bison we have an specifically  diverse animal , this means that preserving the genetics should be easy.

but it gets harder because of the world around it changing. this means that it has to adapt to a lot of things.  
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I hope this helps you  , really


3 0
3 years ago
Why virus, virions, prions have no place in five kingdom classification​
Ainat [17]

Hey, there!!

There is no place for virus, virions, prions in kungdom classification. The reason is they show both living and non living characters, which don't define them whether they are living beings or non living things.

As in 5 kingdoms, the only living organisms are classified.

  • Kingdom Monera mostly deals with the organism which contains prokaryotic cells.
  • Kingdom Protista deals with the organism which have eukaryotic cells.
  • Kingdom Fungi deals with various fungal organism.
  • Kingdom Plantae deals with various type of plants.
  • Kingdom Animalia deals with various type of animals.

So, you can see that there is non of the kingdoms which deals with the organism which have similar characteristics like viruses, virions and prions.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

7 0
3 years ago
Briefly describe why all burners must be turned off before any developing chambers are prepared
suter [353]
<span>The burners must be turned off because, in the case of liquid chromatography, the eluant solvents being used are flammable. Leaving the burners lit could cause the eluant to catch on fire, putting the scientist at risk.</span>
3 0
3 years ago
What is the skull mainly composed of how many cranium?
pshichka [43]
Salutations!

What is the skull mainly composed of how many cranium?

The skull is composed of eight cranial bones (cranium). Cranial bone is the bone that protects the top part of the brain. If we are generally speaking, the skull consists of 22 bones.

Hope I helped (:

Have a great day!
3 0
3 years ago
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