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The water VASCULAR system is said to be the one that is used in the sea stars and the sea URCHINS for water transportation, food, locomotion and respiration.

The main system is focused on the tube like feet that complete the basic TASK and is a part of coelomic cavities of echinoderms, periharmal COELOM, perivisceral coelom, etc.

The T-cell RECEPTOR, or TCR, is a MOLECULE found on the surface of T cells, or T lymphocytes, that is responsible for recognizing fragments of antigen as peptides BOUND to MAJOR histocompatibility complex (MHC) molecules.

The answer is dead organisms are transformed into petroleum and natural GAS by absence of air. Because dead organisms are buried into the soil there will be no presence of air. DUE to the HEAT and TEMPERATURE present in the soil petroleum and natural gas are FORMED

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Brain freeze is the time when u eat SOMETHING very cold and when that touches the upper part of UR mouth the nerves of that area GET shrunk and ur brain GETS some indications

Function of the NUCLEUS. The nucleus is an organelle found in EUKARYOTIC cells. Inside its fully-enclosed nuclear membrane, it CONTAINS the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.

On the basis of their cell structure they are classified into 4 groups

1) BACTERIA :- Staphylococcus; vibrio cholerae

2) FUNGI :- Bread MOULD; yeast

3) PROTOZOANS :- Paramoecium; amoeba; EUGLENA.

4) ALGAE :- Chlorella; spirogyra

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CHLOROPLAST in PLASTIDS are CONSIDERED as the c\kitchen of the CELL

That MIRRORS are KNOWN as parabonic mirrors

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In relatively LARGE amounts, the soil supplies nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur; these are often called the MACRO nutrients.
In relatively small amounts, the soil supplies iron, MANGANESE, boron, molybdenum, copper, zinc, chlorine, and cobalt, the so- called MICRO nutrients.

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Carbohydrates form about 1-5% of the total chemical COMPOSITION of the PLASMA membrane.

The main carbohydrates present in the plasma membrane are Oligosaccharides.

Carbohydrates are found only on the outer surface of the plasma membrane.

MOLECULES of carbohydrates are covalently LINKED to the polar (hydrophilic) heads of some LIPID molecules (glycolipids) and most of the proteins exposed at the outer surface (glycoproteins).

Fungi mostly LIKELY to be FOUND WITHIN reticulondothelial cell because it is productive bacteria....

Anabolism

Anabolism is one of the processes in metabolism. It is a constructive process. It is defined as SIMPLE molecules that combine to form complex molecules or the generation of complex molecule from simple molecules. It usually requires ENERGY. This process produces complex molecules that can be used to store energy. It is the reverse process of catabolism. The energy used here is derived from the catabolic reactions. Energy for these reactions can be stored in the form of Adenosine Tri Phosphate (ATP) molecule.

Example

Carbohydrates and proteins are the molecules which results from the anabolic reaction.

Catabolism

It is a DESTRUCTIVE process in which break down of complex molecules and formation of simple molecules takes place. This process PROCEEDS with release of energy. The released energy acts as a driving force for the catabolic reaction. These reactions are catalyzed by enzymes.

Example:

Digestion is a process in which macromolecules like proteins carbohydrates are broken down into their simple molecules like amino acids and sugars etc.

Note: Two processes namely anabolism and catabolism constitute the process called metabolism. Metabolism is the SUM or total of all chemical reactions in a living organism (combines both anabolic and catabolic process).

1.Cuticle is the DEAD skin at the BASE of a fingernails or toenails.

2. OUTER cellular layer of HAIR

Lysosome r CALLED the SUICIDE BAGS of cell as they CONTAIN enzyme which can dissolve intercellular Substances..

Animal fibers are natural fibers that consist largely of particular PROTEINS. Instances are silk, hair/fur (including wool) and feathers. The animal fibers used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheepand silk. Also very popular are alpaca fiberand mohair from Angora goats. Unusual fibers such as Angora wool from rabbits and Chiengora from dogs also exist, but are rarely used for mass production.

Not all animal fibers have the same properties, and EVEN within a SPECIES the fiber is not consistent. Merino is a very soft, FINE wool, while Cotswold is coarser, and yet both merino and Cotswold are types of sheep. This comparison can be continued on the microscopic level, comparing the diameter and structure of the fiber. With animal fibers, and natural fibers in general, the individual fibers look different, whereas all synthetic fibers look the same. This provides an easy way to differentiate between natural and synthetic fibers under a microscope.

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As age INCREASES the SIZE of telomere shortens due to repeated division of cell....
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Glucose is not oxidies in MITOCONDRIA.. Glucose is Reduced to pyruvic acid and then Then CO-A converts it into CO2 H2O AND 38 ATP OF ENERY

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The CHEMICAL named sulphate nitrate used in ANAEROBIC respiration to convert GLUCOSE.

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The emission of ELECTRONS by CHLOROPHYLL takes PLACE due to the ABSORPTION of light ENERGY by the chlorophyll.

C is the CORRECT answer

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It's for the people who needs necessarily treatment. its full form is world HEALTH organization.
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Plant nutrition

the macronutrients: nitrogen (N), PHOSPHORUS(P), potassium (K), calcium (Ca), SULFUR (S), magnesium (Mg), carbon (C), oxygen(O), HYDROGEN (H)the micronutrients (or trace MINERALS): iron (Fe), boron (B), chlorine (Cl), manganese (Mn), zinc(Zn), copper (CU), molybdenum (Mo), nickel (Ni)

The ANSWER is NOSTRIL which PLAYS vital role in male RESPIRATION process

Plants ABSORB WATER through root HAIRS which contains soluble minerals

Larger the MICRO ORGANISMS larger the biodegradable MATTER and larger is degradation process.

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Yes, Weedicides have all ill effects on the health of person, HANDLING the weedicide sprayer. To avoid it, the person who is spraying have to use a mask to cover nose and MOUTH such that weedicides cant go to inner SIDE of BODY and we he/she who sprays cant get and harm as per health. 

The difference between bacteria and virus is the pathogens and microorganisms such as bacteria and viruses that CAUSES DISEASES white BLOOD cells can ingest and DESTROY pathogens.

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By CENTRIFUGATION we can SEPARATE them both

Balloon-like structure FORMED by adjacent parenchyma cell into xylem vessels through PITS are the tyloses.

They are developed when turgor PRESSURE made the part of parenchyma cell to expand outward through the pit pair into the lumen of the adjoining cells.

They are PRESENT in many of the angiosperms such as Robinia, Rhus, Morus, Juglans, etc.

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The active regulation of the OSMOTIC pressure of an organism's fluids to maintain the homeostasis of the organism's WATER content is known asOsmoregulation;this means it keeps the organism's fluids from becoming too diluted or too concentrated. Osmotic pressure is ameasure of the tendency of water to move into one solution from anotherby OSMOSIS.Osmosis is the movement of solvent molecules through a selectively-permeablemembrane into a REGION of HIGHER solute concentration, aiming to equalize the solute concentrations on thetwo sides. Higher the osmotic pressure of asolution, more water moves into the solution. Pressure must be exerted on the hypertonic side ofa selectively-permeable membraneto prevent diffusion of water by osmosis from the side containing pure water.

The cell is the STRUCTURAL and functional UNIT of LIFE. All cell play their specific ROLE. And cell is known as structural and functional unit of life.

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Golgi apparatus has MAIN function of packaging, storing and TRANSPORTING lipids N Proteins.
It has folds n SACS to package n store these substances.

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ANSWER:

The most COMMON method of storing food grains on large scale is to store in gunny bags and stitch it tightly and they will be placed one over the other in go-downs where pesticide SOLUTIONS will be sprayed on the stacked gunny bags to protect the grains from pest during storage.

"Insects that breathes through its air holes are the insects that breathe through the network of tiny tubes called tracheae INSTEAD of LUNGS.

The air enters the tubes through a row of holes along an insects ABDOMEN.

After that air diffuses down the blind-ended trachea.

The EXAMPLES of insects that breathe through its air holes are Grasshopper, cockroach, CATERPILLAR etc.

"

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The PROCESS in which a tadpole TURNS into a FROG is CALLED metamorphosis

Asexual is reproduction WITHOUT couple PARENTS and just NEED single parent consists budding fragmentation
in vegetative propagation any active PART of plant tissue give RISE to whole plant vegetatively