Consider the following statements and choose the correct one
Plant cells have centrioles which are absent in almost all animal cells
Ribosomes are the site of protein synthesis
The middle lamella is layer mainly of calcium carbonate which holds the different neighbouring cells together
In animal cells, steroidal hormones are synthesised by smooth endoplasmic reticulum
Plant cells have centrioles which are absent in almost all animal cells
Ribosomes are the site of protein synthesis
The middle lamella is layer mainly of calcium carbonate which holds the different neighbouring cells together
In animal cells, steroidal hormones are synthesised by smooth endoplasmic reticulum
Answer:The correct answer is: Ribosomes are the site of protein synthesis
In protoplasm, fat store in the form oftriglycerides. Polypeptides, polysaccharides and nucleoside are proteins, carbohydrates ad nucleic acid, respectively
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Related Questions to study
The backbone of RNA consists of which of the following sugar?
The backbone of RNA consists of which of the following sugar?
Identify A to F in the sectional view of a chloroplast showing the different parts

Identify A to F in the sectional view of a chloroplast showing the different parts

Organelle important in spindle formation during nuclear division is
Organelle important in spindle formation during nuclear division is
A widely accepted, improved model of cell membrane is
Glycolipids are lipids with attached carbohydrate, which acts as recognition sites during cell-cell interaction, as well as sites of attachment in a tissue
Glycoproteins are often integral membrane proteins and are also important for cell recognition
A widely accepted, improved model of cell membrane is
Glycolipids are lipids with attached carbohydrate, which acts as recognition sites during cell-cell interaction, as well as sites of attachment in a tissue
Glycoproteins are often integral membrane proteins and are also important for cell recognition
Rough endoplasmic reticulum differs from smooth walled endoplasmic reticulum due to the presence of
Rough endoplasmic reticulum differs from smooth walled endoplasmic reticulum due to the presence of
Middle lamella is present
(i) Staining with weak alkaline solution of crystal violet
(ii) Treatment with 0.5% iodine solution
(iii) Washing with water
(iv) Treatment with absolute alcohol/acetone
Middle lamella is present
(i) Staining with weak alkaline solution of crystal violet
(ii) Treatment with 0.5% iodine solution
(iii) Washing with water
(iv) Treatment with absolute alcohol/acetone
A are granular structures first observed under electron microscope as dense particles by …B… (1953). Here, A and B refer to
A are granular structures first observed under electron microscope as dense particles by …B… (1953). Here, A and B refer to
Number of protofilament in microtubule is
Number of protofilament in microtubule is
Ribosomes that occur exclusively in mitochondria is
Ribosomes that occur exclusively in mitochondria is
The instantaneous velocity of a point
of the given rod of length 0.5 m is 3
in the represented direction. The angular velocity of the rod for minimum velocity of end A is

The instantaneous velocity of a point
of the given rod of length 0.5 m is 3
in the represented direction. The angular velocity of the rod for minimum velocity of end A is

A
shaped object with dimension shown in the figure, is lying on a smooth floor. A force
is applied at the point
parallel to
, such that the object has only the translational motion without rotation. Find the location of
with respect to
.

Let mass of rod
Let
Taking point
and
Position vector of centre of mass of the system
A
shaped object with dimension shown in the figure, is lying on a smooth floor. A force
is applied at the point
parallel to
, such that the object has only the translational motion without rotation. Find the location of
with respect to
.

Let mass of rod
Let
Taking point
and
Position vector of centre of mass of the system
Two balls each of mass
are placed on the vertices
and
of an equilateral triangle
of side 1m. A ball of mass 2
is placed at vertex
. The centre of mass of this system from vertex
(located at origin) is


Two balls each of mass
are placed on the vertices
and
of an equilateral triangle
of side 1m. A ball of mass 2
is placed at vertex
. The centre of mass of this system from vertex
(located at origin) is


Three identical spheres, each of mass 1 kg are kept as shown in figure below, touching each other, with their centers on a straight line. If their centres are marked
,
,
respectively, the distance of centre of mass of the system from
is

Distance of centre of mass from
Three identical spheres, each of mass 1 kg are kept as shown in figure below, touching each other, with their centers on a straight line. If their centres are marked
,
,
respectively, the distance of centre of mass of the system from
is

Distance of centre of mass from
From a circular disc of radius
and mass 9
, a small disc of radius
/3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through
is

or
Here,
Substituting in Eq. (i), we have
From a circular disc of radius
and mass 9
, a small disc of radius
/3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through
is

or
Here,
Substituting in Eq. (i), we have
WhatweightofHNO3isneededtoconvert 62gmofP4 inH3PO4 in the reaction? P4 +HNO3 →H3PO4 +NO2 +H2O

WhatweightofHNO3isneededtoconvert 62gmofP4 inH3PO4 in the reaction? P4 +HNO3 →H3PO4 +NO2 +H2O
