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ANSWER:

CELLS are CONSIDERED the basic units of life in part because they come in discrete and easily recognizable packages. That's because all cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, SERVES as a clear boundary between the cell's internal and external environments

Explanation:

A pedigree chart is a flowchart or a diagrammatic representation prepared to exhibit the occurrence and appearance or PHENOTYPES of a particular gene or organism along with its ancestors from one GENERATION to the next generation.

In the pedigree chart, males are represented by a square and a circle represents the females.

Also Read: Pedigree Analysis

Here is a simple experiment on how to prepare and ANALYSE the pedigree charts.

Aim

To prepare and analyse the pedigree charts.

Requirements

Information about traits in a family for more than one generation.

Procedure

1. Select a family with anyone of the monogenic traits like rolling of tongue, blood groups, ear lobes, widow’s PEAK and colour blindness.

2. Ask the person exhibiting the trait as to who in his/ her family has the trait in question.

3. Prepare a pedigree chart on the basis of the information collected, using appropriate symbols.

4. Examine the pedigree chart carefully to FIND out whether the disease is autosomal recessive, autosomal dominant, X-linked dominant or recessive and Y-linked dominant or recessive.

EXPLANATION:

They consist of fibres wherein the replicated chromosomes link at their centromeres. These SPINDLE fibres are later functional in pulling apart the sister chromatids to the opposite poles so that EVENTUALLY the two NEW daughter cells that have FORMED will each possess a set of chromosomes.

ANSWER:

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ANSWER:

AL of these 4TH part

Explanation:

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EXPLANATION:

bjsjedf Siddiqui isotropic CG KEEP OXIDATION of so LDP is so epizootic

• The MOVEMENT of the continents in the continental drift hypothesis CAUSES the land to rise or FALL. The earth's crust is DYNAMIC and it is constantly moving slowly. If the continent rises, the sea level decreases and if the continent GOES downward, sea level rises.

ANSWER:

Electromagnetic INDUCTION is the PROCESS of using magnetic fields to produce VOLTAGE, and in a closed circuit, a current. So how much voltage (emf) can be induced into the coil using just magnetism.

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ANSWER:

PROTEASE is a ENZYME that DIGESTS proteins.

Glucose is a CARBOHYDRATE.

Answer:

a methane-producing BACTERIUM, ESPECIALLY an ARCHAEAN which reduces CARBON DIOXIDE to methane.

Answer:

Explanation:

SAPROPHYTES feed on dead and decaying organisms only and not in LIVING organisms. ... They DECOMPOSE the organic wastes and dead plants and ANIMALS into simple substances and clean up the environment. That is why they are known as scavengers.

ANSWER:

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Answer:

The JACKFRUIT (Artocarpus heterophyllus), also known as JACK TREE, is a SPECIES of tree in the fig, mulberry, and BREADFRUIT family (Moraceae).

...

Jackfruit

Family: Moraceae

Genus: Artocarpus

Species: A. heterophyllus

Binomial name

ANSWER:

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definition of dispersion of light.

In optics, dispersion is the PHENOMENON in which the phase velocity of a wave depends on its FREQUENCY. Media having this COMMON property may be termed dispersive media. Sometimes the term chromatic dispersion is USED for specificity.

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A thermophile is an ORGANISM that THRIVES at relatively HIGH temperatures between 41 and 122 degree C

ANSWER:

Locomotion helps us to MOVE from place to other. In general, animals require locomotion for defence, searching for food and shelter. The locomotory MOVEMENT is the coordinated movement of various bones, tissues and joints such as cartilage, muscles, BONE, ligaments, and tendons, ETC.

EXPLANATION:

Bacteria. a) Photoautotrophs. The bacteria of this group gets energy from the light of sun. ...

In PROTISTA. They obtain nutrition by both autotrophic and heterotrophic modes. douwdek0 and 11 more USERS found this answer HELPFUL.

Answer:

the chemical processes by which atmospheric NITROGEN is ASSIMILATED into ORGANIC compounds, especially by certain MICROORGANISMS as part of the nitrogen CYCLE.

ANSWER:

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• ANATOMY, biophysics, cell and MOLECULAR biology, COMPUTATIONAL biology, ECOLOGY and evolution, environmental biology, forensic biology, genetics, marine biology, MICROBIOLOGY, molecular biosciences, natural science, neurobiology, physiology, zoology and many others.

ANSWER:

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Explanation:

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Explanation:

A group of cells of SIMILAR origin that are structurally similar and perform a particular function are called TISSUE e.g., NERVOUS tissues, BLOOD, etc.

ANSWER:

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Explanation:

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Answer:

stomach

Explanation:

because NOSE, trachea, larynx and LUNGS are the PART of respiratory system and stomach is the part of DIGESTIVE system.

Answer:

Animal tissue:-

1.) These are complex in structure.

2.) They does not have cell wall.

3.) Requires more ENERGY because ANIMALS shows movement.

4.) All TISSUES are living.

5.) Growth is uniform all over the body.

Plant tissue:-

1.) These simpler in structure.

2.) They have cell wall.

3.) Requires LESS energy because does not move.

4.) Some tissues are living and some are dead

5.) Growth is only at the tips of the plant.

ANSWER:

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Answer

Excretion, the process by which animals rid themselves of waste products and of the nitrogenous by-products of metabolism. Through excretion organisms CONTROL osmotic pressure—the balance between inorganic ions and water—and maintain acid-base balance. The process thus promotes homeostasis, the constancy of the ORGANISM's INTERNAL environment

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• There are three major BRANCHES of biology – botany, zoology and microbiology. Botany is the BRANCH of biology which DEALS with the study of different aspects of plants. Theophrastus is known as the FATHER of Botany. Zoology is the branch of biology connected with the study of different aspects of ANIMALS.

Answer:

For the village in IRAN, see Chetan, Iran.

Chitin (C8H13O5N)n (/ˈkaɪtɪn/ KY-tin) is a long-chain polymer of N-acetylglucosamine, a derivative of glucose. This POLYSACCHARIDE is a primary component of cell walls in fungi, the exoskeletons of arthropods, such as crustaceans and insects, the radulae of molluscs, cephalopod beaks, and the scales of fish and skin of lissamphibians.[1] The STRUCTURE of chitin is comparable to another polysaccharide, cellulose, forming crystalline nanofibrils or whiskers. It is functionally comparable to the protein keratin. Chitin has proved useful for several medicinal, industrial and biotechnological purposes.

Structure of the chitin molecule, showing two of the N-acetylglucosamine units that repeat to form long chains in β-(1→4)-linkage.

Haworth projection of the chitin molecule.

A close-up of the wing of a LEAFHOPPER; the wing is COMPOSED of chitin.

Explanation:

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• BIOLOGY is a natural science concerned with the STUDY of life and living organisms. MODERN biology is a vast and eclectic field composed of many specialized disciplines that study the structure, FUNCTION, growth, distribution, EVOLUTION, or other features of living organisms.

Answer:

Biodiversity conservation is accomplished in a NUMBER of ways. Ex-situ methods focus on species conservation in botanic gardens, zoos, gene banks, and captive breeding programs. In-situ methods USE conservation areas as "WAREHOUSES" of biological information.

• The word biology is DERIVED from the greek words /bios/ meaning /life/ and /logos/ meaning /study/ and is DEFINED as the science of life and living organisms. An organism is a living ENTITY CONSISTING of one cell e.g. BACTERIA, or several cells e.g. animals, plants and fungi.

• Biology is the natural science that STUDIES life and living organisms, including their PHYSICAL structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. Despite the complexity of the science, certain unifying CONCEPTS consolidate it into a SINGLE, coherent field.

Answer:

An industry is a GROUP of companies that are related based on their primary BUSINESS activities. ... INDIVIDUAL companies are generally classified into an industry based on their LARGEST SOURCES of revenue.

ANSWER: respiration

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Explanation:

Ground water,water that occurs below the SURFACE of Earth,where it OCCUPIES all or part of void spaces in soils or geologic statra. It is ALSO called subsurface water to distinguish it from surface water, which was found in large bodies like the oceans or lakes or which flows over LAND in STREAMS.

Answer:

Antibiotics are CHEMICALS that kill or inhibit the growth of BACTERIA and are used to treat bacterial infections. They are produced in nature by soil bacteria and FUNGI

Antibiotic is a chemical secreted by microorganisms (bacteria or fungi) that kills or hinders the growth of some KINDS of bacteria. Examples. PENICILLIN and streptomycin.

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Plates of lorica in dinoflagellates is composed of

(1) CELLULOSE and lignin=✗

(2) Hemi-cellulose and pectin=✗

(3) Cellulose and pectin = =✔

(4) CHITIN and pectin=✗

Cellulose And Pectin

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Answer:

VEINS have thin WALLS because the BLOOD there is no longer under pressure and they have valves to ensure blood FLOW in one direction..

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ANSWER:

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Explanation:

A UNICELLULAR organism, also known as a single-celled organism, is an organism that consists of a single cell, UNLIKE a MULTICELLULAR organism that consists of multiple cells. Unicellular organisms fall into two GENERAL categories: prokaryotic organisms and eukaryotic organisms.

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Answer:

POSSIBLE BLOOD will be homozygous a or heterozygous B

it depend on DNA COPYING that which it will TKAE

Answer:

It is essential for roots to grow down so they can explore the soil and maximise their water uptake. ... SCIENTISTS have LONG speculated that plants bend in RESPONSE to GRAVITY due to the redistribution of the PLANT hormone auxin in the tip of the root.

Answer:

Calyciflorae is a grouping of plants that is no longer used by botanists. ... The group Calyciflorae was defined as: FLOWERS with sepals united at LEAST at the base (gamosepalous), a "torus" (disc) at the base of the calyx from which the petals and stamens appear to emerge, the OVARY EITHER free or attached to the calyx.

Answer:

Ruterford model

Explanation:

RUTHERFORD MODEL, also CALLED Rutherford atomic model, nuclear atom, or planetary model of the atom, description of the structure of ATOMS proposed (1911) by the New Zealand-born physicist Ernest Rutherford.

Answer:

Antigen can react with antibodies in vivo or in vitroin vitro. The in vivo reaction can be beneficial for the organism (immunity), harmful (immunopathological REACTIONS) or indifferent (IMMUNE system tolerates, rather than RESPONDS to the antigen).

Answer:

An immune response is a REACTION which occurs within an organism for the purpose of defending against foreign invaders. ... There are TWO distinct ASPECTS of the immune response, the INNATE and the adaptive, which WORK together to protect against pathogens.

Answer:

ABO Blood Types

The A and B ALLELES are DOMINANT to the O allele. When both INHERITED alleles are O, the GENOTYPE is homozygous recessive and the blood TYPE is O. ... The antigens on the blood cell are A and the antibodies in the blood plasma are B. Type B: The genotype is either BB or BO