(A) The $1$ gene $1$ enzyme hypothesis was proposed by George Beadle and Edward Tatum in $1941$.They conducted experiments on the bread mold $Neurospo

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(A) The $1$ gene $1$ enzyme hypothesis was proposed by George Beadle and Edward Tatum in $1941$.They conducted experiments on the bread mold $Neurospora$ $crassa$.By inducing mutations using $X$-rays, they observed that specific mutations led to the loss of specific enzymatic activities, thereby proving that each gene is responsible for the synthesis of a specific enzyme.

Class 12 Biology Molecular Basis of Inheritance Mix Example-Molecular Basis of Inheritance

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The $1$ gene $1$ enzyme relationship was first established in .......... .

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A
Neurospora crassa
B
Salmonella typhimurium
C
Escherichia coli
D
Diplococcus pneumoniae

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Molecular Basis of Inheritance

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Mix Example-Molecular Basis of Inheritance

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Genetic mapping of bacteriophage $\phi X174$ has been done by

Easy

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The given figure shows the structure of a nucleosome with its parts labelled as $A, B$ and $C$. Identify $A, B$ and $C$.

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Match the columns.
Column-$I$ Column-$II$
$(a)$ Splicing $(1)$ Lac Operon
$(b)$ Okazaki fragments $(2)$ Lagging strands
$(c)$ Jacob and Monod $(3)$ Lactose
$(d)$ Inducer $(4)$ Removal of introns

Medium

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For protein synthesis,$P$ can directly code,while each nucleotide of $Q$ has a $2'-OH$ group in its sugar. Identify $P$ and $Q$.
$\quad\quad P\quad Q$

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Explain the role of the following scientists:
$1.$ Avery, MacLeod, and McCarty $(1933-44)$
$2.$ Matthew Meselson and Franklin Stahl $(1958)$

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Column-$I$	Column-$II$
$(a)$ Splicing	$(1)$ Lac Operon
$(b)$ Okazaki fragments	$(2)$ Lagging strands
$(c)$ Jacob and Monod	$(3)$ Lactose
$(d)$ Inducer	$(4)$ Removal of introns

The $1$ gene $1$ enzyme relationship was first established in .......... .

Similar Questions

Genetic mapping of bacteriophage $\phi X174$ has been done by

The given figure shows the structure of a nucleosome with its parts labelled as $A, B$ and $C$. Identify $A, B$ and $C$.

Match the columns.Column-$I$Column-$II$$(a)$ Splicing$(1)$ Lac Operon$(b)$ Okazaki fragments$(2)$ Lagging strands$(c)$ Jacob and Monod$(3)$ Lactose$(d)$ Inducer$(4)$ Removal of introns

For protein synthesis,$P$ can directly code,while each nucleotide of $Q$ has a $2'-OH$ group in its sugar. Identify $P$ and $Q$.$\quad\quad P\quad Q$

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Match the columns.
Column-$I$ Column-$II$
$(a)$ Splicing $(1)$ Lac Operon
$(b)$ Okazaki fragments $(2)$ Lagging strands
$(c)$ Jacob and Monod $(3)$ Lactose
$(d)$ Inducer $(4)$ Removal of introns

For protein synthesis,$P$ can directly code,while each nucleotide of $Q$ has a $2'-OH$ group in its sugar. Identify $P$ and $Q$.
$\quad\quad P\quad Q$

Explain the role of the following scientists:
$1.$ Avery, MacLeod, and McCarty $(1933-44)$
$2.$ Matthew Meselson and Franklin Stahl $(1958)$