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!
OBJECTION OF CELL THEORY (REASONS OF DISCARTION)
(i) Living organism are composed of various types of cells and their product but members of monera & protista don't have a cellular organisation, they have protoplasmic grade & organization.
Cell theory is not applicable on viroids, Viruses, Prions.
(ii) In multicellular organism one type of cell perform one type of function. It doesn't perform all vital activities.
(iii) Gene is the hereditary unit of life according to modern view - Physical unit of life = Gene
Chemical unit of life = DNA
(iv) In plants many dead cells are present, which also have specific function. Vessels and Tracheids of Xylem are dead cells but helps in conduction of water & minerals. In human beings, cells of stratum corneum (outermost layer of skin) are dead & helps in protection.
(v) It was not discarded but modified by Nageli, he just added "through cell division" while omnis cellula e cellula means that cells arise inside the cell. According to Karl nageli "new syncytes arise from division of pre-existing cells".
Explain briefly how computed tomography (CT) helps the doctors in pinpointing the defects in the patient's body
Tracheal system in cockroach Cockroach belongs to phylum Arthropoda under invertebrate. They have specially developed tracheal system for respiration The system consis
Q. What are sarcomeres? Sarcomeres are the contractile units of the muscle tissue formed of alternating myosin blocks (thick filaments) and actin blocks (thin filaments). Sever
1. Carbon monoxide (CO): It is colourless, odourless, tasteless gas and is not soluble in water. Source: CO is produced due to: (i) Incomplete combustion of fuels
Assighments of chara
Enumerate the term - Clinical neuroscience Clinical neuroscience concerns the study of clinical populations both to well understand neuroanatomy and to test psychological theor
Describe the Positive End Expiratory Pressure (PEEP)? A positive pressure may be applied at the end of the expiratory phase during mechanical ventilation, instead of allowing t
What are the physical propertie of sol Sols resemble liquids in their main physical properties - that is, they flow and they do not show rigidity of form. However, when a sol a
Rabies Rabies is highly prevalent in Africa, India, Asia and parts of Latin America, but the risk to travelers is low. Pre-exposure immunizationagainst rabies is recommended f
Metameric segment - Segmentation On the other hand true metameric segment as best observed in annelids has separate schizocoelic body cavity of mesodermal origin in each segme
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