Which of the following statements are incorre | vedclass

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(C) Statement $I$ is correct: Hemoglobin,myoglobin,and cytochromes contain iron $(Fe)$ as a central metal ion or cofactor.Statement $II$ is incorrect:

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$II, III, V$

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(C) Statement $I$ is correct: Hemoglobin,myoglobin,and cytochromes contain iron $(Fe)$ as a central metal ion or cofactor.Statement $II$ is incorrect: Copper is primarily involved in redox reactions and electron transport,not specifically as a primary regulator of cell division.Statement $III$ is incorrect: Biotin contains sulfur,but riboflavin $(Vitamin B_2)$ does not contain sulfur.Statement $IV$ is correct: Calcium is essential for the formation and maintenance of bones and teeth.Statement $V$ is incorrect: Manganese is a cofactor for many enzymes like carboxylases and kinases,but it is not a structural component of phosphatase enzymes (which often require zinc or magnesium).Therefore,the incorrect statements are $II, III,$ and $V$.

Column-$I$ (Element)	Column-$II$ (Function)
$A$. Calcium	$I$. Required for ionic balance
$B$. Boron	$II$. Essential for constitution of nucleic acid
$C$. Phosphorus	$III$. Required for absorption of calcium
$D$. Chlorine	$IV$. Required to activate respiratory enzyme
$E$. Manganese	$V$. Required for synthesis of mitotic spindle

Similar Questions

Which of the following bacteria is associated with nitrogen fixation?

Choose the incorrect sentence.

$A$: Plants absorb nitrogen from the soil in the form of salts.
$R$: Nitrogen is essential for the synthesis of proteins and nucleic acids.

Select the correct option:
$(1)$ During $transamination$ / $reductive$ $amination$,an amino group is transferred from one amino acid to the keto group of a keto acid.
$(2)$ $Azotobacter$ / $Clostridium$ are free-living bacteria.

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