Virus, unlike bacteria are dead until the enter the human body, when they transform and do damage. Because if this sugar actor stick of a virus, it makes it difficult to kill them, as it is very easy for it to hide and play dead. This is why it is easy to make antibiotics to kill bacteria, as bacteria do not show such behaviour, and do not change and replicate them selves, but the same cannot be done in the case of a virus, hence we cannot make antivirus medications as of right now
Chromosomes are the thread-like structure found in the nuclei of both animal and plant cells. They are made of protein and one molecule of deoxyribonucleic acid (DNA).
As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent. In most organisms, one chromosome is inherited from the mother and the other is inherited from the father; to ensure that offspring carry traits from both parents. It's crucial that certain cells, like reproductive cells, have the correct number of chromosomes in order to function properly.
The structure of chromosomes helps ensure the DNA remains tightly wrapped around the proteins;otherwise, DNA molecules would be too large for the inside of the cells.
Organisms grow by undergoing cell division to produce new cells and replace older, wornout cells. During this cell division, DNA must remain intact and keep its even distributionthroughout the cells. Chromosomes are important to this process to ensure the DNA is accurately replicated.
Lymph is a fluid that is present between the spaces in the tissues. It is composed of blood cells, proteins, vitamins etc.
When the lymph through lymphocytes does not reach the blood, it causes blockage in the pathway.
This generally is the condition when the tissue swells up causing severe pain at the blocked area
1.When the horse pulls the wagon, it pushes the ground in the backward direction. Due to the third law of motion, the ground exerts a forward force which has the same magnitude. As the backward force applied by the wagon is weaker than the force applied by the horse, the wagon moves in the forward direction
When we add some non volatile impurities in ice then its MP decreases.
This is used in the hilly areas to melt the ice or to decrease the MP.
This is called depression in freezing point which is a colligative property.
1 .Force is more when acceleration is more,which is 5 to 6 sec.
2 .Magnitude of accelerating force from 0 to 2 sec=1000×(15/2)=7500
From 2 to 5 sec=0.
From 5 to 6 sec=1000×(15)=15000.
3 .No force from 2 to 5 sec.
Mycoplasma is a genus of bacteria that lack a cell wall around their cell membrane. ...
Cyanobacteria is also known as blue-green algae. They differ from other bacteria in that cyanobacteria possess chlorophyll-a, while most bacteria do not contain chlorophyll. Chlorophyll-a gives them their characteristic blue-green color.
Both are examples of kingdom monera
Children in many parts of India get evposed to hepatitis A through contaminated water& food.So they are exposed to hepatitis A virus They get mild effect of the disease &the body produces antibodies against the virus.Hence become immune to Hepatitis A
@eishan-khandait if the object has zero net external force, it is possible that It is moving with a non zero velocity.
There is no particular condition as such. The general concept Is that if the object has net force zero, it is either at rest (zero velocity) or is travelling with a non zero constant velocity.
The direction of the velocity can be anywhere.
Aerenchyma is spongy tissue with large air spaces found between the cells of the stems and leaves of aquatic plants.
This type of tissue is mainly found in AQUATIC PLANTS. Aerenchyma are Special type of Parenchyma cells . They form a Network with Wide Air Spaces for Gaseous Exchange , That also make the plant Bodies Light and Buoyant , Enabling Them to float on Water .
Chlorenchyma consists ofparenchyma cells that contain chloroplasts and forming the basic green tissue of plant leaves and stems.
chlorenchyma , apart from filling bulk space, performs an additional task of photosynthesis.
@eishan-khandait density of oil is lesser than water. So it doesn't matter if they have spaces between molecules or not, less dense material always floats on more dense material in natural circumstances
The circular groove is provided in a saucer for placing the tea only to prevent the cup from falling over in the case of sudden shocks.
Other reason could be to provide support to the cup, or else the cup will fall when we change our direction due to Inertia of Direction
A clean hole is made on a glass window pane when a bullet is fired; whereas a glass window pane is shattered into fine pieces when a stone hits it. The stone, with less speed, remains in contact with the glass window for a longer period of time; while the particles of the glass window pane near the hole are unable to share the rapid motion of the bullet and, hence, remain undisturbed. Therefore, a hole is carved on the windowpane.
Newton first law of motion is applied
(Inertia of rest).
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