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The triploid nucleus in the megaspore divides to produce endosperm, which provides the plan embryo in the seed with food.

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12y ago

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What does a nucleus produce?

The nucleus controls all cell activities including how the cell grows develops and divides


What will be the total number of meiotic division for forming 50 triploid watermelons?

13 meiosis in 2n mmc to produce 52 pollen grains and 50 meiosis in 4n megaspore mother cell to produce 50 egg cells & embryo sacs in diffent ovules. The total of these meiosis divisions comes to 63.


What happens to a megaspore mother cell and a microspore mother cells as an immediate result of meiosis?

The megaspore mother cell undergoes meiosis to produce four haploid megaspores, while the microspore mother cell undergoes meiosis to produce four haploid microspores. This division results in the formation of haploid spores that will develop into gametophytes in plants.


Where does mitosis take place in the human cell?

Most of the activity occurs in the middle of the cell itself.


How many chromosomes are there in a megaspore mother cell of a tobacco with a diploid number of 48?

A megaspore mother cell of tobacco with a diploid number of 48 chromosomes will have twice that number, so there would be 96 chromosomes. During meiosis, this number will be halved to produce haploid megaspores.


WHAT IS THE FUNCTION OF THE GYMNOSPERM SPORE?

The gymnosperms produce megaspores and microspores. A microspore is the male spore and megaspore is the large female spore. The microspore undergoes mitosis to produce the multicellular male gametophyte. These male gametophytes are the pollen grains that are contained inside short pollen cones. The megaspore is the large female spore that undergoes mitosis to produce the multicellular female gametophyte that is housed in a large female cone.


Where is mRNA produce?

The nucleus.


What does mitosis play a role in?

the division of a cell's nucleus.


What occurs when an organism divides in half to produce offspring?

Asexual reproduction.


What are two ways that protists can reproduce asexually?

Binary fission - single cell divides to produce two offspring Multiple Fission - single cell divides to produce more than two offspring


What happens to the generative nucleus after pollination?

The generative nucleus divides mitotically to produce two sperm nuclei. One of those will fertilize the egg to produce the zygote, and the other will fuse with the two polar nuclei in the embryo sac to produce the endosperm in a process called "double fertilization".


What divides to produce mobile cells that repair the dermis in a penetrating wound?

fibroblasts