تمارين أونلاين Biology Unit2 Ch1 Less3 ||| Genome and Mutations .

The number of free phosphate groups in plasmid is………….

DNA is organized in the form of chromosomes in the…………

The following figure represents DNA replication in each of the following, Except …………… cell.

In eukaryotes, each chromosome contains…………………

The nucleosomes are found in each of the following, except…………….

The following figures show the nucleotides sequence on DNA for the structure of a synthesized protein examine it, then answer :

The change from (X) to (Y) represents………………

All the following are preferable to be used for propagating the tetraploid strawberry plant, except………………

Mutations effect becomes apparent on offsprings when they take place in the ……….

Which of the following is represented by the following figure ?………..

The following figures represent a mutation resulted from……………….

The following occusions take place when DNA inside a living cell nucleus is exposed to radiation :

X:Mutation.

Y:Change in the cell activity.

Z: Change in the protein structure.

L : Change in the sequence of amino acids in the polypeptide chain.

Which of the following represents the correct arrangement for those events ?