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Unlike DNA, RNA in biological cells is predominantly a single-stranded molecule.
While DNA CONTAINS deoxyribose, RNA contains RIBOSE, characterised by the presence of the 2'-hydroxyl group on the PENTOSE ring.

This hydroxyl group makeRNA LESS stable than DNA because it is more susceptible to hydrolysis.

Source: Google

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Mega biodiversity in India means that India is a COUNTRY which  harbor the majority of Earth's species and high numbers of ENDEMIC species.

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Bacteria are single-celled ORGANISMS. They LACK organelles such as chloroplasts and mitochondria.
They do not have the TRUE nucleus found in eukaryotic CELLS. 
Bacteria also have a cell membrane.
Features that distinguish a bacterial cell from a eukaryotic cell include the circular DNA of the nucleoid, the lack of membrane-bound organelles, the cell wall of peptidoglycan, and flagella.

Allergy TREATMENTS vary depending on the severity of your CONDITION and the type of allergy you have.

If your allergies are severe enough to significantly INTERFERE with your quality of life, it's important to see a doctor in ORDER to identify what you are allergic to and to gain access to the FULL range of prescription options.

Deer have very STRONG muscles in their legs that make them CAPABLE of reaching speeds of up to 30 MILES per hour. They are very agile, which proves to be very helpful for outrunning predators like the RED wolf, panther etc.

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You can MAKE MODEL on WORKING of HEART

Poikilothermic mean cold BLOODED animals i.e., they can change their body TEMPERATURE ACCORDING to climatical changes.
homeothermic mean WARM blooded animals i.e., they can't change their body temperature according to climatical changes,because the body temperature of the homeotherms is constant at any climatical condition.

Residual volume is the amount of gas remaining in the lungs at the end of a maximal exhalation. Residual Volume is IMPORTANT because it PREVENTS the lungs from collapsing. Even after we have expelled as much air as possible (expiratory reserve volume) gaseous exchange is STILL OCCURRING by residual VOLUMEIN the lungs.

1.Biogas contains high proportion of methane gas which have a high calorific value that is 54kg/joule

2.Biogas burns with no smoke this doesn't cause air pollution. THUS eco friendly.

3.Biogas plant needs animal and organic WASTE as basic fuel to form biogas and thus HELPS us to manage the waste in our surroundings.

4.The used waste or slurry which is decomposed in gas chamber by help of anaerobic DECOMPOSITION by MICRO organisms is removed and used as manure thus the produced waste is also useful.

PLANTS is the producer. HERBIVORES is the consumer. EARTHWORMS is the decomposer.

Its plays an important ROLE in CARRYING the MESSAGES from the CENTRAL nervous system to the parts that shall CARRY out the responses

Hey mate ...here is your answer

Compost is ORGANIC matter that has been decomposed in a PROCESS called COMPOSTING. This process recycles various organic MATERIALS otherwise regarded as waste products and produces a soil conditioner. Compost is rich in NUTRIENTS.

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HEYA FRIEND

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• A Southern blot is a method used in molecular biology for detection of a specific DNA sequence in DNA samples. Southern blotting combines transfer of electrophoresis-separated DNA fragments to a filter membrane and subsequent fragment detection by PROBE hybridization.
• DNA fingerprinting, also called DNA typing, DNA profiling, genetic fingerprinting, genotyping, or identity testing, in genetics, method of isolating and identifying variable elements within the base-pair sequence of DNA (deoxyribonucleic acid).
• By cutting a sample of DNA into fragments and comparing it with other samples it's possible to WORK out if the DNA has come from the same person. This technique is called DNA fingerprinting, and is a technique used to HELP solve CRIMES where the suspect may have LEFT a sample of body tissue at the crime scene.

NITROGEN because it can FREEZE a HUMAN

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The HEART pumps oxygenated blood to the body and DEOXYGENATED blood to the lungs. In the human heart there is one atrium and one ventricle for eachcirculation, and with both a systemic and a pulmonary CIRCULATION there are four chambers in total: LEFT atrium, left ventricle, RIGHT atrium and right ventricle.

Cytokinesis in PLANT cell :

1] Cytokinesis in plant cell takes place by the formation of cell PLATE.

2] The cell plate EXTENDS and divides the cytoplasm into two daughter cells.

3] Cell plate further forms the MIDDLE lamella between the two neighbouring daughter cells.

Cytokinesis in animal cells :

1] Cytokinesis in animal cell does not takes place by the formation of cell plate.

2] The plasma membrane forms the furrow which is DEEPENED down forming two daughter cells.

3] In animal cells the middle lamella is not formed between the two neighbouring daughter cells.

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By WATER
by AIR
by FOOD
by PHYSICAL CONTACT



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The companion cell is a type of cell found WITHIN a phloem of flowering plants .
Each companion cell is usually closely ASSOCIATED with a SEIVE element.
It's function is uncertain though it appears to REGULATE the ACTIVITY of the adjacent seive element and to take part in loading and unloading sugar into the seive element.

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Hello mate
DNA FINGERPRINTING is a method used to identify an individual from a sample of DNA by LOOKING at unique patterns in their DNA.

Background

Almost EVERY cell  in our body contains our DNA?. On average, about 99.9 per cent of the DNA between two humans is the same. The remaining percentage is what makes us unique (unless you are an identical twin!). Although this might sound like a small amount, it MEANS that there are AROUND three million base pairs? that are different between two people. These differences can be compared and used to help distinguish you from someone else.

hey mate

Human nose. ... The nose is also the principal organ in the OLFACTORY SYSTEM. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum which separates the nostrils and divides the nasal cavity into TWO. On AVERAGE the nose of a MALE is larger than that of a female.

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(USED about a cell) containing TWO COMPLETE SETS of chromosomes, one from each parent

I don't KNOW ...............?

Fragmentation is when an organism is split into fragments, and each fragment GROWS into complete, individual ORGANISMS that are clones of the ORIGINAL organism.

Regeneration is the process of regrowth that organisms that ALLOWS for PARTIAL or complete regrowth of tissue after a damaging event.

SUBJECT ⇨⇨⇨ SCIENCE (PHYSICS)



MOTION ☞☞☞bullet show two type of motion



SPIN motion .


REASON OF SPIN MOTION ☞


A rapid lateral spinning motion, as it MOVES forward. This is due to the spiral grooves (Rifling) inside the gun barrel, which gives the bullet the spin. 
The spin ensures the bullet moves forward pointedly and sharply to its target, because otherwise it can tumble forwards!

HI MATE....

your answer...

1] it encourage the growth of brain cells

2] it improves health

hope it HELPS...

In natural asexual reproduction, roots can give rise to new plants, or plants can propagate USING budding or cutting. In grafting, part of a plant is attached to the root SYSTEM of another plant; the two unite to form a new plant containing the roots of ONE and the stem and leaf STRUCTURE of the other.

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Blood cell of COCKROACH is WHITE while human is red this is because of the absence of haemoglobin in the blood of cockroach.

Cockroaches also don’t have blood vessels LIKE mammals. About 90 percent of hemolymph in cockroaches is PLASMA a watery fluid usually white, GREENISH or yellowish in colour."

Heyaa !!

Answer :-

Seed PRESERVATION .

In olden days,it was done by STORING the GRAINS(SEEDS) in TINS and in jute bags.

They used to store in store room or a go down.

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When ripe pollen from an ANTHER of the same KIND of flower catches on the stigma, each pollen grain SENDS out a TINY threadlike tube. The tube grows down through the style and pierces one of the ovules in the ovary. This process is CALLED fertilization.

AQUEOUS HUMOUR:
1)it is secreted by the epithelium that covers the SALARY body it is a watery fluid former between the length and the cornea
2) functions as reflecting medium
3) it maintains intraocular pressure
4) it supplies nutrition to the lens and drain metabolites

VITREOUS HUMOUR:
1) it is jelly LIKE fluid present between lens an retina
2) acts as a refractive medium
3) it maintains SHAPE and pressure of the eyeball
4) it possess high concentration of lactic acid and pyruvic acid



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Certain traits cannot be INHERITED because there is no change in the GENES of the germ cell changes in the non reproductive TISSUES cannot be passed ONTO the DNA the germs cell
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The changes that took place in birds are that the FORE LIMBS of animals were modified into wings while the bones GOT HOLLOW and air SACS developed.
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Binoculars or field glasses are two telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most are sized to be held using both hands, although sizes vary WIDELY from opera glasses to large pedestal mounted military models.

Unlike a (monocular) TELESCOPE, binoculars GIVE users a three-dimensional image: for NEARER objects the two views, presented to each of the viewer's eyes from slightly different viewpoints, PRODUCE a merged view with an impression of depth.


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Maybe because you’re not WEARING a SWEATER or a jacket to KEEP you warm.

Hey FRND...
two types of twins are...
1) identical twins -- they can be identified that is they are different from each other. formed by 2 ovum.
2) non-identical twins -- they can't be identified that's they are similar to each other. formed by same ovum by division.

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Answer:-
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The external part of the ear is called the "pinna", and only MAMMALS have it. In fact not even all mammals: the most "primitive", the monotremes (egg-laying mammals -- platypus and echidna) don't have ears with a pinna.
However, without those outer-ears, it should be near-impossible for birds to tell which direction a sound is coming from. ... When they hear a sound, they TILT their head in the GENERAL direction their specialized eardrums indicate, and then let their sharp vision TAKE over, SWEEPING an area for the source.
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I THINK its COHESION

These ANIMALS are CALLED AMOEBOIDS

HEY DEAR....
THE ADVANTAGES ARE AS FOLLOWS...
1.) INCREASE IN GIRL RATIO TO BOYS(SEX RATIO)

2.) IT IS REMOVING FICKLE MINDIDNESS OF RURAL PEOPLE... AND ALSO SPREADING A NEW IDEA OF LIVING...!

The SLIDE is of SKELETAL MUSCLE FIBRE CELL

Malaria is caused by the PLASMODIUM parasite. The parasite can be SPREAD to HUMANS through the bites of INFECTED mosquitoes. There are many different types of plasmodium parasite, but only 5 types cause malaria in humans.