Questions

The marrow cavity is also known as the medullary cavity. It is the central cavity of bone shafts where adipose tissue is stored. It is lined with a thin, vascular membrane called endosteum.

India TV chairman and editor-in- chief Rajat Sharma will be the new president of the News Broadcasters Association (NBA) for 2017-18.

Private Sector lender HDFC Bank signed an agreement with the Government e-Marketplace (GeM) under which the bank will facilitate a host of services to the public procurement portal for Central and state government organizations.

tRNA abbreviated as A transfer RNA is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length, that serves as the physical link between the mRNA and the amino acid sequence of proteins.

It refers to the possibility for an investor to experience  losses due to  factors that affect the overall performance of the financial markets. Market risk cannot be eliminated through diversification, though it can be hedged against. The sources of market risk include natural disasters, recessions, political turmoil, changes in interest rates and terrorist attacks.

RNA - ribonucleic acid is a type of nucleic acid. The sugar contained in it is called Ribose.

In the above given options, Retrovirus is the only virus which is not associated with cancer. Here the viruses which are associated with different types of cancer. They are:

Hepatitis virus which is associated with Liver cancer

Papillomavirus which is associated with Cervical cancer

Epstein-Barr virus which is associated with Burkitt's lymphoma.