Differences between T-cell dependent and T-cell independent antigens
INTRODUCTION OF ANTIGENS Antigens are any substance which when introduced into the body parenterally can induce the formation of an antibody with which reaction occurs...
Differences Between Collenchyma and Sclerenchyma
INTRODUCTION Plant tissues are categorized into three types. They are meristematic tissues, permanent tissues and secretary tissues. These tissues are further grouped into various types....
MCQs of Biology for Medical Entrance Preparation (Part-2)
Here, we present some of the MCQs of biology for students of different medical fields. It may be helpful to those students who are determined...
MCQs of Biology for Medical Entrance Preparation (Part-1)
Here, we present some of the MCQs of biology for students of different medical fields. It may be helpful to those students who are determined...
MCQs of Physics for Medical Entrance Preparation (Part 1)
Here, we present some of the MCQs related to physics that can be helpful for the students who are preparing for various medical subjects like...
Mycoplasma: Introduction, Morphology and Biochemical Reactions
Introduction Smallest micro organisms Free living in nature Can grow in cell free medium Causes human infection M. pneumoniae: Pneumonia Ureaplasma urealyticum: non-gonococcal urethritis M....
Stages and Features of Antigen-Antibody Reactions
Introduction The combination of antigens (Ag) and antibodies (Abs) occur specifically and in observable manner. There is various usefulness of this type of reaction. Some...
Yersinia pestis: Introduction and morphology
Introduction Formerly known as Pasteurella pestis. Falls in family enterobacteriaceae. Discovered in Honkong in 1894 AD by Yersin and Kitasato. Important medical species are Y.pestis,...
Differences between Anthrax bacilli and Anthracoid bacilli
S.N Anthrax Bacilli S.N Anthracoid Bacilli 1. All are non-motile. 1. Generally, are motile. 2. Presence of capsule. 2. Absence of capsule. 3. Growth occurs...
Differences Between Streptococcus Pneumoniae and Viridans Streptococci
S.N Streptococcus pneumoniae S.N Viridans streptococci 1. Are capsulated. 1. Are non-capsulated. 2. Shape is lanceolate or flame shaped. 2. Shape is oval...