Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Operculum - Seed Appendages
The term operculum is applied to a plug-like structure formed in the micropylar portion of the seed by proliferation of cells at the tip of the inner integument or the nucellus. An operculum has been observed in seeds of many monocotyledonous families, such as the Commelinaceae, Musaceae, Lemnaceae and Zingiberaceae, and a few dicotyledonous families like Bignoniaceae and Nymphaeaceae.
In Lemna paucicostata, cells at the tip of the inner integument undergo a remarkable expansion after fertilization and form a dome-shaped, stopper- like operculum. Cells of the operculum are thick-walled and contain an orange-red substance. During germination of the embryo the operculum becomes detached from rest of the seed and facilitates emergence of the embryo.
Determine the Modification of native starch Modification of native starch can be either physical or chemical. Chemical modification includes reaction of starch with acid or al
Neural Circuits The simple all are none activities of a single neuron can hardly provide the adaptability needed for the constant changes faced by the organism in its internal
• Cyclins accumulate during the G1, S, and G2 phases of the cell cycle. • By the G2 checkpoint (the red bar in the figure), enough Cyclin is available to form MPF complexes (aggre
Enteral Nutrition (EN) By definition, the term enteral means "within or by the way of the gastrointestinal (GI) tract." As described above, enteral is defined as provision
Q. Show Gastroesophageal reflux? Obesity is thought to be another potential predisposing factor to gastroesophageal reflux or GERD. Maintenance of ideal weight for age may help
Equine viral arteritis Equine viral arteritis (EVA) is a highly contagious disease of equines and is caused by equine arteritis virus (EAV), a RNA virus belonging to the genus
Q. What is the difference between the exocrine gland and the endocrine gland? Endocrine gland is a gland whose secretions are called as hormones that are collected by the blood
Determine the Causal factors of nervous system Although, the brain and spinal cord are surrounded by tough membranes, enclosed in the bones of the skull and spinal vertebrae, a
Make a detailed study on phylum protozoa taking an example with clear labeled diagram
Define classification of carbohydrates - Polysaccharides? This classification is based on the number of monosaccharide units they contain, Polysaccharides are those polymers of
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd