Questions

Gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism.

In short it is a piece or segment of chromosome.

Genes undergo mutation when their DNA sequence changes. 

The most malleable metal is Gold.

Russia has decided to venture into Internet of things with new satellite system 'Marathon'.

Implied powers are powers of U.S. government which have not been explicitly granted by the Constitution but that is implied by the necessary and proper clause to be delegated for the purpose of carrying out the enumerated powers.

Piyush Vedprakash Goyal is the Indian personality received Carnot Prize for Power Reforms, Rural Electrification. He is an Indian politician and the current minister of Railways, Coal in the Government of India.

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors.

a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells.

Answers B, C, D are incorrect:

b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand.

c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA.

d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.

A RNA copy of a DNA gene is called as messenger RNA or mRNA. mRna is used in translation because information is translated from one language (nucleotides) into another (amino acids).

Hence, mRNA is used to transfer genetic information by a cell.

I. Inputs

• Enterprise environmental factors


• Organizational process assets


• Project scope statement


• Activity list


• Activity attributes


• Activity resource requirements


• Resource calendars


• Project management plan

               - Risk register

               - Activity cost estimates

II. Tools and Techniques

• Expert judgment


• Analogous  estimating


• Parametric estimating


• Three-point estimates 


• Reserve analysis

III. Outputs

• Activity duration estimates


• Activity attributes (updates)