Q1/ Choose the Right Answer 1. Biomaterials science is not significant monetarily, but the magnitude of the field is extremely important since biomaterials are used to save millions of lives. a) Ttrue , b) False 2. Platinum can be used in pacemaker because of a) low Wight, b) high threshold potential , c) high corrosion resistance ,d) none of above 3. Which one of the following is not correct? a) Biocompatibility is the ability of a material to perform within an appropriate host response. b) Bioactivity is the characteristic that not allows the material to form a bond with living tissue c) Biodegradability is the breakdown of the implant due to chemical or cellular interaction. d) all of above 4. Which of the following phases of dental amalgam has minimum strength? a) Gamma 1, b) Gamma 2, c) Gamma 3, d) Both a and b 5. A biomaterial has to be biocompatible, which means several things. Which one of these is wrong? a) The body must not fight or attack the biomaterial b)The biomaterial can cause allergic reactions c) The biomaterial cannot be toxic d)The biomaterial cannot cause inflammation 6. the Morphological fixation is type of attachement when the materials a) Porous , b) Bioinert, c) Bioresorbable, d) Bioactive

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Bacterial Genomics

The study of the morphological, physiological, and evolutionary aspects of the bacterial genome is referred to as bacterial genomics. This subdisciplinary field aids in understanding how genes are assembled into genomes. Further, bacterial or microbial genomics has helped researchers in understanding the pathogenicity of bacteria and other microbes.

Transformation Experiment in Bacteria

In the discovery of genetic material, the experiment conducted by Frederick Griffith on Streptococcus pneumonia proved to be a stepping stone.

Plasmids and Vectors

The DNA molecule that exists in a circular shape and is smaller in size which is capable of its replication is called Plasmids. In other words, it is called extra-chromosomal plasmid DNA. Vectors are the molecule which is capable of carrying genetic material which can be transferred into another cell and further carry out replication and expression. Plasmids can act as vectors.