Which of the following statements are correct | vedclass

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(A) Statement $A$ is correct: The $Na^+/K^+$ pump uses $ATP$ to transport ions against their concentration gradient,which is a classic example of acti

Vedclass · Accepted Answer

$Na^+/K^+$ pump is an example of active transport.

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(A) Statement $A$ is correct: The $Na^+/K^+$ pump uses $ATP$ to transport ions against their concentration gradient,which is a classic example of active transport.Statement $B$ is incorrect: In animal cells,lipid-like steroidal hormones are synthesized in the $SER$ (Smooth Endoplasmic Reticulum).Statement $C$ is incorrect: In plant cells,the vacuoles can occupy up to $90\%$ of the volume of the cell.Statement $D$ is incorrect: Chlorophyll and carotenoid pigments are responsible for trapping light energy essential for photosynthesis,not leucoplasts (which are primarily for storage).

Column-$I$	Column-$II$
$1.$ Robert Brown	$p.$ Final shape of Cell Theory
$2.$ Virchow	$q.$ Bacterial staining method
$3.$ Gram	$r.$ Unit membrane concept
$4.$ Robertson	$s.$ Discovery of nucleus

Which of the following statements are correct?

Similar Questions

Which one of the following is not included under the endomembrane system?

In which of the following are cisternae found?

Match the scientists in Column-$I$ with their contributions in Column-$II$:
Column-$I$ Column-$II$
$1.$ Robert Brown $p.$ Final shape of Cell Theory
$2.$ Virchow $q.$ Bacterial staining method
$3.$ Gram $r.$ Unit membrane concept
$4.$ Robertson $s.$ Discovery of nucleus

Eukaryotic cells have organelles which may:
$(a)$ not be bound by a membrane
$(b)$ be bound by a single membrane
$(c)$ be bound by a double membrane
Group the various sub-cellular organelles into these three categories.

Write the functions of the following:
$(a)$ Centromere
$(b)$ Cell wall
$(c)$ Smooth $ER$
$(d)$ Golgi apparatus
$(e)$ Centrioles

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