An Electron and a Positron,which Are Two Massive Particles,can Annihilate

question 54

Multiple Choice

An electron and a positron,which are two massive particles,can annihilate when they come together to produce two photons,which have no mass.This pair annihilation is an example of

• A)time dilation.
• B)length contraction.
• C)the equivalence of mass and energy.
• D)the principle of relativity.
• E)none of the above.

Comprehend the tools and techniques used in genetic engineering, including vectors, restriction enzymes, and protoplasts in the production of recombinant DNA.

Understand the ethical, legal, and social implications of biotechnological advancements in genomics and proteomics.

Understand the various applications and processes involved in genetic engineering, including gene therapy, transgenic organisms, and recombinant DNA technology.

Identify and describe the tools and methods used in biotechnology, such as PCR, restriction enzymes, DNA ligase, and RNAi.

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