Transcription and Translation

Question 1

The Central Dogma of molecular biology:

Answer 1

The flow of genetic information in cells is from DNA to RNA to protein.

Question 2

All cells from bacteria to humand express thier genetic information by two -step process:

Answer 2

1: DNA transcribed into RNA
2: RNA translated into a polypeptide

Question 3

Mnay identical RNA copies can be made from the same _____?

Answer 3

gene

Question 4

Each RNA molecule can be translated to many identical protein molecules

Answer 4

amplification

Question 5

Better strategy than using DNA as a direct template-

Answer 5

only 1 or 2 copies of each gene per a cell

Question 6

Each gene can be transcribed and translated with diffrent efficiency

Answer 6

allows production of diffrent proteins in diffrent quantities according to actual need?

Question 7

Expression of genes is ________?

Answer 7

regulated

Question 8

Protein production is a three-step process in eucaryotes?

Answer 8

1. transcription - synthesis of an RNA strand complementary to one strand of the DNA dounble helix.
2. processing (only in eucaryotes)- Addition of a cap and a tail splicing of the RNA to remove intron sequences and form mRNA