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Biology - Class 11

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How many times a cell undergoes mitosis to produce 128 daughter cells? a.7 b.14 c.16 d.32

LALBEE 26th Aug, 2022

Hello Aspirant,

Hope you are doing great. To create 128 cells, the cell must divide mitotically 7 times. The formula 2n, where n is the number of divisions per cell, determines how many times a cell must divide mitotically. One cell divides into two during mitosis, and both daughter cells

84 Views

Y chromosome is less active why

Preetam Bhowmik 5th Dec, 2021

Dear Aspirant, since Y-chromosome possesses small amount of euchromatin that contains DNA or genes, therefore it is genetically less active. Recent research has shown that the Y chromosome has developed some pretty convincing mechanisms to "put the brakes on", slowing the rate of gene loss to a possible standstill. I

64 Views

difference between indirect and direct development

Vishesh Singh 23rd Sep, 2021

Hello,

The major differences between direct and indirect development are mentioned below:

Direct development Indirect development
In this type of development, an embryo develops into a young one without any intermediate larval stage In this type of development, an embryo develops into a young one with some intermediate larval stages.
393 Views

how many and which questions were repeated in neet 2020?

chandni deb 28th Jun, 2021

Dear Aspirant,

the repeated questions for NEET examinations are generally in most cases low, as the level of competition is very high. In most cases similar kinds of questions are asked instead of repeating the same question. However, there are a few times where a question or two are repeated

98 Views

what is chemosynthetic autotrophic?

Divyanshi Lal 4th Nov, 2020

Hey student,

Chemosynthetic Organisms are those organisms which obtain their food using the chemical energy present in inorganic molecule.

Chemosynthetic autotrophic are those organisms which use inorganic substrates as energy source and CO2 as carbon source and synthesize their own food and doesn't depend on other organisms for food. In

2647 Views

which of the following living organisms completely lacks of cell wall

sapanapatil4561 3rd Nov, 2020
Hello student!!
All animal cells lacks cell wall.
Gorgonia also called as sea-fan , it belongs to Kingdom-Animalia;
Phylom- Cnidaria and
Order -  Gorgonacea.
As it is an animal  ,it lacks the cell wall.






Hope it helps.
935 Views

fungal cell wall is composed of

Shubham Dhane 16th Jul, 2020

Hello,

The cell wall is a characteristic structure of fungi and is composed mainly of glucans, chitin and glycoproteins. As the components of the fungal cell wall are not present in humans, this structure is an excellent target for antifungal therapy. The major constituents of the fungal cell wall are

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