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".
Which type of plant tissue is cork? Cork, the material, for example, used to cap wine bottles, is extracted from the suber of a special oak known as cork oak.
1. Noise producing industries, railway stations, and aerodromes should be located away from the residential areas. 2. Check on the traffic in the residential colonies.
Q. What is Polyethylene? Polyethylene (P) (Low density polyethylene (LDPE), medium density, linear low-density (LLDPE), high-density polyethylene (HDPE) and ethylene vinyl acet
Explain Basic Stains (Cationic) - Types of Stains? These are chloride or sulfate salts of coloured bases which on ionization give positively charged chromogen. As such, these h
Why and how does the food get spoiled? There are several causes of food spoilage. These include: Growth of Microorganisms, such as bacteria, molds and yeasts, which can
Q. What is the molecule that donates hydrogen for photosynthesis, in sulfur photosynthetic bacteria? In sulfur photosynthetic bacteria the substance that donates hydrogen is hy
Explain Potts Shunt in palliative operations ? This is a similar shunt done through a left thoracotomy. Anastomosis is done between left pulmonary artery aid descending thoraci
Explain the Nature of fatty acids present in the triglyceride? Nature of fatty acids present in the triglyceride determines the physico-chemical properties and biological signi
Single Vessel Disease (SVD) : They do well on medical treatment or with angioplasty. However if proximal LAD is significantly blocked and LIMA can be used as a conduit, surgery g
Q. What are zoonoses? What are few examples of zoonoses transmitted by birds? Zoonoses are human diseases transmitted by animals. Psittacosis, a bacterial disease, cryptococcos
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