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It forms the spore wall, resistant to degradation by enzymes and chemicals, thus protecting the spores.

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12y ago

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How can we make sporopollenin?

Sporopollenin is complex compound present in the exine of pollen grains. As such, it can be extracted from pollen grains.


Can we make sporopollenin?

We, as humans can not but we can in the laboratory.


Compare bryophytes and tracheophytes?

compare the bryophytes and trcacheophytes


What is 1 characteristic that separates ferns from the bryophytes?

Ferns are vascular, bryophytes are not.


Is a rose bush Bryophytes?

No. Bryophytes include liverworts, hornworts, and moss.


Do bryophytes have lignified tissue?

Bryophytes are small, low growing plants that are found in moist environments. Bryophytes do not have lignified tissue. Lignified tissue is hard like a tree bark.


How are tracheophytes similar to algae and bryophytes?

The process of photosynthesis is similar in tracheophytes, algae and bryophytes.


What is the pollen case?

What is usually meant by pollen case is the outer protective coat of the pollen grain. It is a highly modified cell wall, with two layers. The interior layer is largely pectocellulose (a combination of pectin and cellulose) with a bit of callose, and the exterior is made of sporopollenin. Sporopollenin is so tough that its exact chemical structure has not been figured out. Atop the sporopollenin layer is a deposit of sticky goo made of pollenkitt and/or tryphine.


Are lichens examples of bryophytes?

No, lichens are not bryophytes. Lichens are symbiotic organisms composed of a fungus and an alga or cyanobacterium, while bryophytes are non-vascular plants such as mosses, liverworts, and hornworts.


The structural integrity of plant spores is to?

The structural integrity of plant spores is crucial for protecting the genetic material inside from environmental stresses such as desiccation, UV radiation, and physical damage during dispersal. The tough outer layer of the spore, called the sporopollenin layer, plays a key role in providing mechanical strength and chemical resistance, ensuring the spore's viability and successful dispersal.


The first plants were?

Bryophytes.


Are bryophytes eukaryotes?

YES