(C) Hemoglobin $(Hb)$ is a quaternary protein found in red blood cells.It consists of $4$ polypeptide subunits.Specifically, adult human hemoglobin $(

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

$2$ - $\alpha$ chain, $2$ - $\beta$ chain

(C) Hemoglobin $(Hb)$ is a quaternary protein found in red blood cells.It consists of $4$ polypeptide subunits.Specifically, adult human hemoglobin $(HbA)$ is composed of $2$ $\alpha$ chains and $2$ $\beta$ chains.Therefore, the correct structure is $2$ - $\alpha$ chain and $2$ - $\beta$ chain.

Class 11 Biology Biomolecules Proteins

Medium

Which sentence is correct for the structure of $Hb$ (Hemoglobin)?

A
$3$ - $\alpha$ chain, $3$ - $\beta$ chain
B
$3$ - $\alpha$ chain, $1$ - $\beta$ chain
C
$2$ - $\alpha$ chain, $2$ - $\beta$ chain
D
$4$ - $\alpha$ chain, $4$ - $\beta$ chain

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Biology Questions

Chapter

Biomolecules

Subtopic

Proteins

Match the compounds of Column-$I$ with their function in Column-$II$.
Column-$I$ Column-$II$
$A$. Trypsin $(i)$ Fights infectious agents
$B$. $GLUT$-$4$ $(ii)$ Is an intercellular ground substance
$C$. Collagen $(iii)$ Works as an enzyme
$D$. Antibody $(iv)$ Enables glucose transport into cells

Column-$I$	Column-$II$
$A$. Trypsin	$(i)$ Fights infectious agents
$B$. $GLUT$-$4$	$(ii)$ Is an intercellular ground substance
$C$. Collagen	$(iii)$ Works as an enzyme
$D$. Antibody	$(iv)$ Enables glucose transport into cells

EasyKCET 2021

View Solution