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podryga [215]
2 years ago
5

Why is there no second interphase in Meiosis II?

Biology
1 answer:
baherus [9]2 years ago
7 0

Answer:

Cells do not need to replicate their DNA, so there is no need to be in interphase

Explanation:

Interphase is the part of the cell cycle where the cell is not actively dividing. In this stage, the chromatin is decondensed. It is much longer than any stage in mitosos or meiosis, and is the normal state of the cells.

When a meiotic cell is in interphase before it is ready to make daughter cells, it replicates its DNA, ensures that the conditions are favourable for cells to divide (nutrients in good supply, all checkpoints for DNA damage are passed). Then it is able to divide.

Meiosis I generates 2 diploid daughter cells. At the end of this, the cell proceeds straight to meiosis II with no interphase stage, it moves straight to mitosis again.

This is because there is no need for DNA replication or further checks. The purpose of meiosis is to make 4 haploid daughter cells, so the cell will continue until this has happened. The diploid daughter cells made in meiosis I are simply divided again to make 4 haploid cells.

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But, before changing the name (e.g. of a species) it is important to collect and gather a wealth of information in order to support that change. Classification system is still evolving. The reasons for the changes are DNA analyzes. It is the new way for discovering relation between organisms and put them in the right context (classification used to be based on morphological characteristics).

Change in classification can be shown in an example of fungi. In the 90s fungi classification included only phyla Chytridiomycota and Zygomycota. Now theyhave been classified mainly on the basis of characteristics of their sexual reproductive structures. So, there are 7 phyla now: Microsporidia, Chytridiomycota, Blastocladiomycota, Neocallimastigomycota, Glomeromycota, Ascomycota, and Basidiomycota

7 0
3 years ago
True or false: Large molecules called monomers are made of smaller subunits called polymers. A True B False​
Nonamiya [84]
Answer: True!

Reason: Because monomers are long chains of reapeating subuints in Polymers
5 0
3 years ago
Read 2 more answers
Where are hydrogen bonds located in the nucleotides?
Blababa [14]

Answer:

<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>

Explanation:

5 0
3 years ago
What types of organisms produce food from inorganic molecules(very few) or sunlight (lots)?
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Wouldnt it be plants?
5 0
3 years ago
Describe the cell membrane, cell wall, nucleus, and cytoplasm. which of these structures are you likely to find in a prokaryotic
Morgarella [4.7K]

Answer:

you can see below

Explanation:

Basic Definitions:

Cell Membrane = the semi-permeable structure that surrounds the cell and keeps all of the cells organelles from exploding everywhere.

Cell Wall = the rigid 'armor' of the cell that surrounds it after the membrane. Usually made up of cellulose and ONLY found in plant cells.

Nucleus = A really dense organelle of the cell usually surrounded by two membranes. They contain and protect your genetic material. Basically everything that makes you, you.

Cytoplasm = The watery, salty, and protein filled 'soup' that fills the cell. All organelles float happily in this.

Now Specific Locations:

Eukaryotic cells

have plasma membranes

please mark me brainliest or mark me thanks at leat

only have cell walls if the cells are plants.

They do have a nucleus.

They have cytoplasm

Prokaryotic cells

have plasma membranes

cell walls are usually chemically complexed.

don't have a nucleus

have cytoplasm

Animal cells

only have the plasma membranes.

No cell wall

have a nucleus

have cytoplasm

Plant cells

have both the cell wall

and have a plasma membrane

have a nucleus

have cytoplasm

4 0
3 years ago
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