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Triiodothyronine (T3) and Thyroxine (T4)

Explanation:

The thyroid GLAND uses iodine from food to MAKE two thyroid HORMONES: triiodothyronine (T3) and thyroxine (T4). It also stores these thyroid hormones and releases them as they are needed. The hypothalamus and the PITUITARY gland, which are located in the brain, help control the thyroid gland.

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ANSWER:

HII how do so so so so so to

ANSWER:

There is currently an EXCESSIVE amount of waste and plastic pollution in our WATERWAYS, RIVERS and oceans. Therefore, it is the collective responsibility of every HUMAN to clean the environment and protect the planet from further environmental degradation.

Explanation:

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Answer

During metaphase the SPINDLE FIBRES attached to attached to chromosomes moves to centre of the cell.

Kinetochore structures serve as the site of ATTACHMENT of spindle fibres to the chromosomes that are moved into position at the centre of the cell.

The metaphase is Characterised by all the chromosomes coming to lie at the equator with chromatid of each chromosome connected by its kinetochore to spindle fibres from one pole and it's sister chromatid connected by its kinetochore to spindle fibres from the opposite pole.

The plane of ALIGNMENT of the chromosomes at metaphase is referred to as the metaphase plate.

Two chromatids of a chromosome repulse each other and the arms of chromosomes are directed TOWARDS the opposite poles.

Answer:

The benefits of animal CLASSIFICATION are as follows;

It HELPS to IDENTIFY organisms.

It helps to establish relationship AMONG various group of organisms.

It helps in the study of phylogeny and evolutionary HISTORY of organisms.

By studying a few organisms, the characteristics of the whole group can be understood.

Answer:

Cells DIVIDE and reproduce in TWO WAYS, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells. Below we highlight the keys differences and SIMILARITIES between the two TYPES of cell division.

Answer ❣️-------

Concept MAPS are visual representations of information. They can take the FORM of charts, graphic organizers, tables, flowcharts, VENN DIAGRAMS, timelines, or T-charts. Concept maps are especially useful for students who learn better VISUALLY, although they can benefit any type of learner.

Answer:

A GROUP of CELL is called tissue. A tissue is a group of cells of common origin which are structurally similar and perform a particular function. The cell is the most basic structural and FUNCTIONAL unit.

Explanation:

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ANSWER:

REPRODUCTION is the process by which ORGANISMS make more organisms like themselves. ... The male GAMETE, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive SYSTEM.

Answer

Ball and sockets - Freely movable.

Ball and sockets joínt permits MULTI axial movement that is movement in three planes.

Example : Glenoid cavity of pectoral GIRDLES and HEAD of humerus.

Hinge joínts movement is primary in a single plane and the joínt is known as monoaxial.

Example : ANKLE and interphalangeal joínt.

GLIDING joínts are non moveable around an axis they are known as Non axial.

Example : Joínts between carpal bones, Sternum and clavicle.

Pivot joínt movement permitted is rotational and the joínt is mono axial.

Example : Joínt between atlas and axis and between proximal ends of radius and ulna.

★potassium,Nitrogen and phosphorous are normally deived from the soil in the form of inorganic salts and nutrients available in fertilizers which make up 0.5 to 0.6 percent.

✈︎Hence iron is nutrients which is not available in fertilizers.

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ANSWER:

ELIXIRS are Monophasic  DOSAGE form.

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EXPLANATION:

Though these ANIMALS lay hundreds of eggs and release MILLIONS of sperms, all the eggs do not get fertilized and develop into new individuals. This is because the eggs and sperms get exposed to water movement, WIND and rainfall.

ANSWER:

the minimum AGE for MARRIAGE at 18 years for both MEN and women

Guard CELLS are cells SURROUNDING each STOMA. They help to regulate the rate of transpiration by opening and CLOSING the STOMATA.

nvo-pjxa-yiq COME Ll GRL

ANSWER:

Located in the skin, areolar TISSUE binds the outer layers of the skin to the muscles lying underneath. They are also found in, AROUND the mucous membranes, surrounding nerves, blood VESSELS and various other body organs. Its functions are as FOLLOWS: Supports the internal organs.

Answer:

CHLOROPLASTS are ORGANELLES is the SITE of preparing food in plants

ANSWER:

ᴛʜᴇ ꜰɪʀꜱᴛ ʟᴀɴᴅ ᴩʟᴀɴᴛꜱ ᴀᴩᴩᴇᴀʀᴇᴅ ᴀʀᴏᴜɴᴅ 470 ᴍɪʟʟɪᴏɴ yᴇᴀʀꜱ ᴀɢᴏ, ᴅᴜʀɪɴɢ ᴛʜᴇ ᴏʀᴅᴏᴠɪᴄɪᴀɴ ᴩᴇʀɪᴏᴅ, ᴡʜᴇɴ ʟɪꜰᴇ ᴡᴀꜱ ᴅɪᴠᴇʀꜱɪꜰyɪɴɢ ʀᴀᴩɪᴅʟy. ᴛʜᴇy ᴡᴇʀᴇ ɴᴏɴ-ᴠᴀꜱᴄᴜʟᴀʀ ᴩʟᴀɴᴛꜱ, ʟɪᴋᴇ ᴍᴏꜱꜱᴇꜱ ᴀɴᴅ ʟɪᴠᴇʀᴡᴏʀᴛꜱ, ᴛʜᴀᴛ ᴅɪᴅɴ'ᴛ ʜᴀᴠᴇ ᴅᴇᴇᴩ ʀᴏᴏᴛꜱ.

ANSWER:

this KNOW as CHLOROPLAST

Answer:

Osmosis is the DIFFUSION of water MOLECULES, from a REGION where the water molecules are in higher concentration, to a region where they are in lower concentration, through a partially/semi permeable MEMBRANE.

Answer:

Growth of a human body is both a physical change as WELL as a chemical change. Growth involves change in the overall SIZE of human body and a change in any one of the physical properties (like SHAPE, size, colour, and STATE) is called a physical change.

It is also a chemical change because it is a biochemical process regulated by hormones and ENZYMES.

Answer:

In the BODY, there are three types of MUSCLE: skeletal (STRIATED), smooth, and cardiac.

Skeletal Muscle. Skeletal muscle, attached to bones, is responsible for skeletal movements. ...

Smooth Muscle. ...

Cardiac Muscle.

Explanation:

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EXPLANATION:

ꜱᴇᴇ ɪᴛ ᴏɴ ɢᴏᴏɢʟᴇ ᴏʀ ᴜ ᴛᴜʙᴇ

LCM of both PHONE = 3×2×2

= 12

hence , they both RING after 12 SECOND .

Explanation:

Salmonella

2. Clostridium TETANI 3. Corynebacterium. 4. Streptomycin

a). Tetanus

b). Photosynthesis C). Typhoid

d). Vaccine

e). Diphtheria f). Antibiotics. Match the following

Answer

CHLOROPHYCEAE is called as green algae.

Know more about chlorophyceae :

The members of chlorophyceae are commonly called green algae.

The people body may be unicellular or COLONIAL.

The contains pigments LIKE chlorophyll - a, chlorophyll-b, carotene, xanthophyll.

These pigments are present in chloroplasts. They are green colour plastids.

They USUALLY have rigid cell wall made of inner layer of cellulose and outer layer of pectin.

The reproduction is asexual and is taken place by FLAGELLATED zoospores.

Example : Spirogyra, Volvox, Chara, Ulothrix.

Answer:

Bryophytes are an informal GROUP consisting of three DIVISIONS of non-vascular ... In mosses, the MERISTEM is LOCATED between the CAPSULE and the top of the stalk ... Editing help is available.

Answer:

Jashn-e-Chiraghan was CELEBRATED in a GRAND manner during jahangir REGION .

Explanation:

Decomposers are the ORGANISMS that convert the dead plants and ANIMALS into HUMUS. We know that humus is the nutrient-rich, top most LAYER of the soil. The nutrients released by the decomposers are taken up by the ROOTS of the plants. In this way, the decomposers help in recycling the nutrients.

ANSWER:

GREGOR Johann Mendel

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ANSWER:

yes

Explanation:

The Java Virtual Machine, or JVM, is an abstract computer that runs COMPILED Java programs. The JVM is "virtual" because it is GENERALLY implemented in SOFTWARE on top of a "real" hardware platform and operating system. All Java programs are compiled for the JVM. ... The JVM is MEAN because it of its ambition.

Answer:

Communication is simply the act of TRANSFERRING information from ONE place, person or GROUP to another. Every communication involves (at least) one sender, a message and a recipient. ... These include our emotions, the CULTURAL SITUATION, the medium used to communicate, and even our location.

Cardiac Muscle Tissue

Microscopic Anatomy

Cardiac muscle appears striated due to the presence of sarcomeres, the highly-organized basic functional unit of muscle tissue.

LEARNING OBJECTIVES

Identify the microscopic anatomy of cardiac muscles

KEY TAKEAWAYS

Key Points

Cardiac muscle, composed of the contractile cells of the heart, has a striated appearance due to alternating thick and thin filaments composed of myosin and actin.

Actin and myosin are contractile PROTEIN filaments, with actin making up thin filaments, and myosin contributing to thick filaments. Together, they are considered myofibrils.

Myosin and actin adenosine triphosphate ( ATP ) binding allows for muscle contraction. It is regulated by action potentials and calcium concentrations.

Adherens junctions, GAP junctions, and desmosomes are intercalated discs that connect cardiac muscle cells. Gap junctions specifically allow for the transmission of action potentials within cells.

Key Terms

intercalated discs: Junctions that connect cardiomyocytes together, some of which transmit electrical impulses between cells.

sarcomere: The basic unit of contractile muscle which contains myosin and actin, the two proteins that slide past one another to cause a muscle contraction.

Cardiac muscle, like skeletal muscle, appears striated due to the organization of muscle tissue into sarcomeres. While similar to skeletal muscle, cardiac muscle is DIFFERENT in a few ways. Cardiac muscles are composed of tubular cardiomyocytes, or cardiac muscle cells. The cardiomyocytes are composed of tubular myofibrils, which are repeating sections of sarcomeres. Intercalated disks transmit electrical action potentials between sarcomeres.

Sarcomere STRUCTURE

A sarcomere is the basic unit of muscle tissue in both cardiac and skeletal muscle. Sarcomeres appear under the microscope as striations, with alternating dark and light bands. Sarcomeres are connected to a plasma membrane, called a sarcolemma, by T-tubules, which speed up the rate of depolarization within the sarcomere.

Individual sarcomeres are composed of long, fibrous proteins that slide past each other when the muscles contract and relax. The two most important proteins within sarcomeres are myosin, which forms a thick, flexible filament, and actin, which forms the thin, more rigid filament. Myosin has a long, fibrous tail and a globular head which binds to actin. The myosin head also binds to ATP, the source of energy for muscle movement. Actin molecules are bound to the Z-disc, which forms the borders of the sarcomere. Together, myosin and actin form myofibrils, the repeating molecular structure of sarcomeres.

Myofibril activity is required for muscle contraction on the molecular level. When ATP binds to myosin, it separates from the actin of the myofibril, which causes a contraction. Muscle contraction is a complex process regulated by calcium influx and the stimulus of electrical impulses.

ANSWER:

C. honey

Explanation:

because it NEVER GETS EXPIRED

ANSWER:

ENERGY

Explanation:

FOOD SUPPLIES energy

What is the MEANING if this QUESTION

MEIOSIS.

ANSWER:

The answer is...

NEURON... Answer...

Explanation:

ecause CARBON dioxide, CHLOROPHYLL and SUNLIGHT is USED by the plants,WHEREAS oxygen is not used by plants.

so the answer is oxygen.

ANSWER:

It's about the size of your HAND. During digestion, your pancreas makes pancreatic juices called enzymes. These enzymes BREAK down sugars, fats, and starches. Your pancreas also helps your DIGESTIVE SYSTEM by making hormones

ANSWER:

The ODD ONE out is TETANUS.

ANSWER:

Contractile Vacuole

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ANSWER:

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Answer: PCR(polymerase chain REACTION)

Explanation: PCR is USED to amplify gene of INTEREST

Answer:

MTP or INDUCED abortion is termination of pregnancy due to CERTAIN medical reasons . government of India legalised MTP in 1971 with strict CONDITIONS to avoid it misuse . our government has imposed strict conditions for M.T.P to avoid its misuse .

EXPLANATION:

Our government has imposed strict conditions for M.T.P. to avoid its misuse. Such restrictions are very important to prevent illegal female foeticides in our country.

Answer:

chloroplast

Explanation:

•chloroplast is also called as KITCHEN of the CELL.

•stroma is the FLUID substance PRESENT inside chloroplast.

• lamella is the double stands which connect the granum to each other.

Answer:

Back to our ORIGINAL question: with amniotic eggs showing up ROUGHLY 340 million or so years ago, and the first chickens evolving at around 58 thousand years ago at the earliest, it's a SAFE bet to say the egg CAME first. Eggs were around WAY before chickens even existed.

Explanation:

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The biological diversity of all the LIVING ORGANISMS (flora and fauna) present in a region (ecosystem) is involved in the biological diversity of an ecosystem. ... They also help PROVIDE food and shelter to different organisms and help in the SURVIVAL and sustenance of each other, THEREBY helping enrich the ecosystem..

Answer:

the science of the causes and effects of diseases, especially the branch of medicine that deals with the LABORATORY examination of SAMPLES of body tissue for DIAGNOSTIC or forensic PURPOSES.