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ong>Explanation:

STOMATA are the tiny openings that are present on the LEAVES of any plant.

the functions of stomata are :-

1. it helps in photosynthesis.
2. it works as a respiratory organ of the plant.
3. it helps to prevent BIG WASTE particles to enter the plant through the leaves
4. it helps in making food for the plant.

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ong>Answer:

Rising to a HIGH altitude without acclimatizing can CAUSE fluid to build up in the lungs and BRAIN. Symptoms of altitude sickness include weakness, sleepiness, and lack of appetite. The MAIN causes are CLIMBING to a great height too quickly or staying at that height for too long.

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.By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all LIVING things are composed of one or more CELLS; the cell is the basic UNIT of life; and new cells arise from existing cells.

6CO2 + 12H2O ---------------> C6H12O6 + 6CO2 + 12H2O

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. Alveolar dead space in COPD leads to inefficient gas exchange, which leads to a ventilation-perfusion mismatch. Therefore, the body tries to maintain the V/Q ratio by localized vasoconstriction in the affected lung areas that are not OXYGENATED well.

ong>Answer:

Explanation:

GAMETES  T  t

t  Tt (tall)  tt (DWARF)

t  Tt (tall)  tt (dwarf)

In pea plants HEIGHT is CHARACTERIZED by having two alleles T(tall) and t(dwarf). Since heterozygous tall pea plant (Tt is the genotype in heterozygous) is crossed with a dwarf pea plant (tt is the genotype in dwarf). Phenotypic ratio of the crossed plants is calculated as shown in the above table.

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ong>Answer:

The interphase, though called the resting phase, is the TIME during which the cell is preparing for division by undergoing cell growth and DNA replication. ... CELLS in this stage remain metabolically active but no longer proliferate unless called on to do so depending on the requirement of the organism.

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a) growth

b) Growth” simply means “an increase in size and mass of a particular organism over a period of time” whereas, “development” is a broader subject. ... We can say that when an organism grows, it also undergoes the process of development but only in terms of increasing its size and mass.

c) CELL growth increases cell size, while cell division (MITOSIS) increases the number of cells. As plant cells grow, they also become specialized into different cell types through cellular differentiation. Once cells differentiate, they can no LONGER divide.

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Explanation:

ong>Answer:

Classification of Phylum ANNELIDA This phylum Annelida is DIVIDED into FOUR main classes on the basis of presence and absence of parapodia, setae, METAMERES and also other morphological characters. These are commonly CALLED as bristle worms. They are the most diverse group of Annelida.

ong>Answer:

the SYSTEM of NOMENCLATURE in which two terms are used to denote a species of living ORGANISM, the first one indicating the genus and the second the specific epithet

Explanation:

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21% is the answer

Explanation:

because nitrogen constitutes 78%

OXYGEN constitute 21%

other gases such as CARBONDYOXIDE & hydrogen constitute 1%

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.SEX DETERMINATION in HUMANS is of XX-XY types. Human has total 23 PAIRS of chromosomes; 22 pairs of autosomes and one pair of sex chromosomes. In humans, females are homomorphic (XX) and males have heteromorphic sex chromosomes (XY). During meiosis, all the gametes produced by females contain only the X chromosome (22 A + X), whereas males produce two kinds of gametes, 1/2 gametes with X - and 1/2 with Y-chromosome (22 A + X and 22 A + Y). Fertilization of egg (22 + X) with sperm carrying 22+X chromosomes results in female child (44A + XX). Fertilization of egg (22 + X) with a sperm carrying 22+Y chromosomes results in a male child (44A + XY).

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.Bisexual or perfect flowers have both male (androecium) and female (gynoecium) reproductive structures, including stamens and an ovary.

Many plants have complete flowers with both male and female parts, OTHERS only have male or female parts, and still, other plants have flowers on the same plant that are a MIX of male and female flowers.

Some plants even have mixes that include all THREE TYPES of flowers, where some flowers are the only male, some are only female and some are both male and female.

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ong>Answer:

Karyogamy is the FINAL step in the process of fusing together two haploid eukaryotic cells, and REFERS specifically to the fusion of the two nuclei. ... In order for karyogamy to occur, the cell membrane and cytoplasm of each cell MUST fuse with the other in a process known as PLASMOGAMY.

Explanation:

Once the action potential is triggered, the depolarization (2) of the neuron activates SODIUM channels, allowing sodium ions to pass through the CELL MEMBRANE into the cell, resulting in a net positive charge in the neuron relative to the extracellular fluid.

EXPLANATION:

CITRUS

ong>ANSWER:

cartilage

Explanation:

i think it can be a wrong answer

EXPLANATION:      

.

ong>EXPLANATION:

Karyogamy is the final step that is conducting the PROCESS of fusing two haploid eukaryotic cells together. It then refers specifically to the fusion of the two nuclei. For its occurrence, the cell membrane and CYTOPLASM of each cell must fuse by the process termed as plasmogamy. It is a common FEATURE of all diploid organisms UNDERGOING sexual reproduction.

ong>ANSWER:

molecules are MADE by ATOMS

EXPLANATION:

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er:

Cells undergoing aerobic respiration produce 6 molecules of carbon DIOXIDE, 6 molecules of water, and up to 30 molecules of ATP (adenosine TRIPHOSPHATE), which is directly USED to produce energy, from each molecule of GLUCOSE in the presence of surplus oxygen.

Explanation:

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ong>ANSWER:

a²-b²+c²

Explanation:

We know that,

A + B + C = 180°

A + C - B = 180 - 2B

now

2ac sin (1/2(A-B+C))

=2ac sin (90 °-B)

=2ac COS B =(2 ac *(a²-b²+c²))/2ac

= a²-b²+c²

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which contains: more CARBON DIOXIDE produced as a waste product of ENERGY production; LESS oxygen as it has been used in respiration.

ong>Answer:

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Explanation:

Living organisms MUST take in energy via food, nutrients, or sunlight in order to carry out cellular processes. The transport, SYNTHESIS, and breakdown of nutrients and MOLECULES in a CELL REQUIRE the use of energy.

Basic needs such as air, water, food and protection from environmental dangers are necessary for an organism to live. In addition to basic needs, HUMANS ALSO have needs of a social or SOCIETAL nature such as the human need to socialise or belong to a family UNIT or group.

ong>Answer:

FALSE is your answer

Explanation:

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STOMACH and INTESTINES has SMOOTH muscles

a. savanna

Explanation:

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ong>Answer:

CARDIOLIPIN is an IMPORTANT component of the inner mitochondrial membrane, where it constitutes about 20% of the TOTAL LIPID composition. It can also be found in the membranes of most bacteria. The name "cardiolipin" is derived from the fact that it was first found in animal HEARTS

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MERISTEMATIC CELLS

Relaxing When There's no Work. We already mentioned that you would FIND centrioles near the nucleus. You will not see well-defined centrioles when the CELL is not

ong>Answer:

The term coenzyme REFERS specifically to enzymes and, as such, to the functional properties of a PROTEIN. On the other hand, "PROSTHETIC GROUP" emphasizes the nature of the binding of a COFACTOR to a protein (tight or covalent) and, thus, refers to a structural property.

ong>ANSWER:

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Coelom is a fluid-filled cavity between the body wall and gut wall. It is lined by mesoderm. On the basis of the presence or ABSENCE of coelom, animals are classified into three groups, namely coelomates and pseudocoelomates and acoelomates. COELOMATE animals possess coelom between the body wall and digestive tract. For example, ANNELIDS, molluscs, arthropods. PSEUDOCOELOMATE animals have the body cavity that is not lined by mesoderm. In these animals, mesoderm is scattered between ectoderm and endoderm. For example, Aschelminthes. In acoelomate animals, the body cavity is absent. For example, Platyhelminthes.

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ong>Answer:

Monadelphous is having all its STAMENS within a FLOWER fused together at least PARTLY by the filaments while diadelphous is having its stamens fused together at least partly by the filaments so that they form two separate bundles, or a BUNDLE and a lone separate stamen.

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, WBC , Platelets

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ong>Answer:

Roots simply act as a passive organ of absorption. As transpiration PROCEEDS, water absorption occurs simultaneously to compensate the water loss from the leaf end. ... The water will ENTER the plant VIA the root CELLS that can be found in the roots where MAINLY passive absorption occurs.

ong>Mendel selected garden pea PLANT ( Pisum sativum ) as his experimentalmaterial because it has the following advantages: ... Because of self-fertilization PLANTS remain genetically PURE. It is, therefore, EASY to get pure LINES of several generations. Experimental cross pollination can be done easily in pea plant.

Gravitational acceleration (symbolized G) is an expression used in physics to indicate the intensity of a gravitational field. It is expressed in meters per second SQUARED (m/s 2 ). ... Conversely, a free-falling object NEAR the earth's surface gains downward SPEED at a rate of 9.8 m/s 2

Explanation:

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ong>Answer:

Jab tumhe Jindagi me koi raasta dikayi na dekoi manzil dikayi naa De koi aapna dikayi naa detab nere sath aana HAM EYE SPECIALIST'''''''ke pass CHALENGE"""""

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An artificial system of classification is BASED upon one or a few easily observable characteristics, and is devised and used for a limited purpose where convenience and speed are important. It conveys little information.

On the other hand natural system of classification is based on a large NUMBER of characters. This increases the amount of information available from the groupings.

B)Linnaeus later classified all living ORGANISMS into two kingdoms – Plantae and Animalia. Whittaker proposed an elaborate five kingdom classification – Monera, PROTISTA, Fungi, Plantae and Animalia.

Classification of organisms into groups is mostly a matter of convenience. Some people have tried to classify all biota into homogenous groups based on a theory of descent, however this has been shown to be unrealistic. The rank of various groups also shifts from time to time depending on the current view. The two kingdom approach: Eukaryota and Prokaryota has been raised to superkingdom, also called domains, The Prokaryota has been split into Bacteria and Archaea to produce three domains. The Eukaryota had the subkingdoms raised to kingdom status (again): Protista, Plantae, Fungi, Animalia. A very old system counted the five as Prokaryota (Bacteria), Protista, Plantae, Fungi, Animalia.

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.In contrast to the behaviour of most oceanic substances, the CONCENTRATIONS of the principal inorganic constituents of the oceans are remarkably constant. Calculations indicate that, for the main constituents of seawater, the time required for thorough oceanic mixing is quite short compared with the time that would be required for input or removal processes to significantly CHANGE a CONSTITUENT’s concentration. The concentrations of the principal constituents of the oceans vary primarily in response to a comparatively rapid exchange of WATER (precipitation and evaporation), with RELATIVE concentrations remaining nearly constant.

ong>Answer:

All living organisms share several key characteristics or FUNCTIONS: ORDER, sensitivity or response to the environment, reproduction, adaptation, growth and development, homeostasis, energy PROCESSING, and evolution. When viewed together, these characteristics serve to define LIFE

Malnutrition (undernutrition) is caused by a lack of nutrients, either as a result of a poor DIET or problems ABSORBING nutrients from food. Certain things can increase your risk of becoming MALNOURISHED.

ong>Answer:

Coenzymes and cofactors are molecules that help an ENZYME or protein to FUNCTION appropriately. Coenzymes are organic molecules and QUITE often bind loosely to the ACTIVE SITE of an enzyme and aid in substrate recruitment, whereas cofactors do not bind the enzyme.