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".
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
The non-oxidative phase generates ribose precursors The non-oxidative phase of the pathway, including the following reactions, converts pentose-5-phosphate to other sugars.
HISTORY ON CLASSIFICATION IN BIOLOGY
ENZYMES IN CLINICAL DIAGNOSIS The rationale for measuring plasma or serum enzyme levels is based on the premise that these levels reflect changes that have occurred in a
How does metagenesis in cnidarians differ from the true alternation of generation shown by plants?
Explain the Liver organ? The liver is the largest internal organ in the human body. It lies just below the diaphragm in the upper right area of the abdominal cavity. It is an i
What is a Food Allergy (Hypersensitivity)? A food allergy or hypersensitivity is an abnormal response to a food by our immune system. As illustrated in Figure, this non-toxic a
State about the Halsted Reitan battery The Halsted Reitan battery, as the procedure came to be known over the years, also has a history. It has been described as a fixed batter
Q. Concerning enzymatic reactions, how dissimilar are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variatio
Determine Food Sources of ascorbic acid (vitamin c)? Food sources of vitamin C include: Rich sources: Amla and guava. Good sources: Drumstick leaves, other leafy ve
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