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ong>Answer:

In such organisms the male gamete is called the antherozoid or sperm and the female gamete is called the egg or ovum.

A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a FALLOPIAN tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and IMPLANTS in the uterus, an embryo starts growing.

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rong>Question-1= Name the male and female gametes in animals.

Answer-: In animals, male gametes are called sperms while female gametes are called egg or ova.

Question-2= What is fertilization and where does it TAKE place in

What is fertilization and where does it take place inhuman female ?

Answer-: A PREGNANCY starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a fallopian tube that links an OVARY to the uterus. If the fertilized egg SUCCESSFULLY travels down the fallopian tube and implants in the uterus, an embryo starts growing.

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The human SKELETON is an endoskeleton that CONSISTS of 206 bones in the adult. It has five main functions: providing support to the BODY, ...

ong>ANSWER:

only ONE statement is false

ong>Answer:

Here's your answer

Reproductive health is a state of complete PHYSICAL, mental and social well-being and not merely the ABSENCE of disease or INFIRMITY, in all matters RELATING to the reproductive system and to its functions and PROCESSES.

हे सहा भारतातील राष्ट्रीय पक्ष आहेत:

(१)काँग्रेस ,

(२)त्रिनमूल काँग्रस ,

(३)राष्ट्रवादी काँग्रेस ,

(४)बहुजन समाज पक्ष ,

(५)भारतीय कम्युनिस्ट पक्ष ,

(६)भारतीय जनता पक्ष .

2

Explanation:

as external INTER COSTAL muscle CONTRACTS

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ong>Answer:

The ROLE of vitamin A in the visual cycle is specifically related to the retinal form. Within the eye, 11-cis-retinal is bound to the PROTEIN "opsin" to form rhodopsin in rods and iodopsin (cones) at conserved lysine RESIDUES. ... Rhodopsin is needed to see in low light (contrast) as well as for night vision.

Explanation:

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LIPOLYSIS is the answer of your QUESTION.

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Muscle, Muscle fibre, Sarcomere, Filaments, Myofibril

option no. 2nd

Explanation:

11th class

chapter no. 20 LOCOMOTION and MOVEMENT

ong>Answer:

ESSENTIALLY, metameric segmentation is an INTERNAL, mesodermal PHENOMENON, the body MUSCULATURE and coelom being the primary segmental divisions; this internal segmentation imposes a CORRESPONDING segmentation on the nerves, blood vessels, and excretory organs.

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• GNRH

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ong>Answer:

the number.1 most important thing in your life is GOOD health. WITHOUT it you can't live the life you want so makes sue you TAKE care of your body and mind

ong>ANSWER:

EARTH is CALLED blue planet because presence of water

ong>Answer:

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Newton's first law states that, if a BODY is at rest or moving at a CONSTANT speed in a straight LINE, it will remain at rest or keep moving in a straight line at constant speed unless it is ACTED upon by a force. This postulate is known as the law of INERTIA.

ong>ANSWER:

All vertebrates POSSESS notochord

e rate MEANS to BEATS of heart counted in 1 minute

D) 72

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It helps in maintaining the same NUMBER of chromosomes in daughter cells after division. It is responsible for growth and development of MULTICELLULAR organisms. It helps in REPAIRING of DAMAGED tissues

ong>Answer:

Sedatives are a type of prescription medication that SLOWS down your brain activity. They're TYPICALLY used to make you feel more relaxed. DOCTORS commonly prescribe sedatives to treat conditions like ANXIETY and sleep disorders. They also use them as general anesthetics.

Explanation:

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ong>Answer:

B sodium CARBONATE

Explanation:

sodium carbonate + sulfuric acid ==>H

²

on A

limbic SYSTEM is the CORRECT answer

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ong>Answer:

General Characteristics of Bryophytes:

Plants OCCUR in damp and shaded AREAS. The plant body is thallus LIKE, i.e. prostrate or erect. It is attached to the SUBSTRATUM by rhizoids, which are unicellular or multicellular. They have a root-like, stem-like and leaf-like structure and lack true vegetative structure.

ong>Answer:

In eukaryotes the COMPLETE oxidation of a molecule of GLUCOSE results in the net gain of 38 MOLECULES of ATP.

ong>Explanation:

At the end of mitosis, the two DAUGHTER cells will be exact COPIES of the original cell. Each daughter cell will have 30 CHROMOSOMES. At the end of meiosis II, each cell (i.e., gamete) WOULD have half the original number of chromosomes, that is, 15 chromosomes.

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In placental MAMMALS, the presence of a Y chromosome determines sex. NORMALLY, cells from females contain TWO X chromosomes, and cells from males contain an X and a Y chromosome.

XX - Female

XY - Male

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Explanation:

ong>Explanation:

The diverse microbial community that inhabits the human gut has an extensive metabolic repertoire that is distinct from, but complements the activity of mammalian enzymes in the liver and gut mucosa and INCLUDES functions essential for host digestion. As such, the gut microbiota is a key factor in shaping the BIOCHEMICAL profile of the diet and, therefore, its impact on host health and disease. The important role that the gut microbiota appears to play in human metabolism and health has stimulated research into the identification of specific microorganisms involved in different processes, and the ELUCIDATION of metabolic pathways, particularly those associated with metabolism of dietary components and some host-generated substances. In the first part of the REVIEW, we discuss the main gut microorganisms, particularly bacteria, and microbial pathways associated with the metabolism of dietary carbohydrates (to short chain fatty acids and gases), proteins, plant polyphenols, bile acids, and vitamins. The second part of the review focuses on the methodologies, EXISTING and novel, that can be employed to explore gut microbial pathways of metabolism. These include mathematical models, omics techniques, isolated microbes, and enzyme assays.

a virus which parasitizes a bacterium by INFECTING it and reproducing inside it. Bacteriophages are MUCH used in genetic research.

ong>ANSWER:

option a is the CORRECT answer....

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হাড় হল একটি কঠিন অঙ্গ, যা মেরুদণ্ডী প্রাণীর কঙ্কাল তৈরি করে। হাড়গুলি দেহের বিভিন্ন অঙ্গকে সুরক্ষা দেয়, লোহিত এবং শ্বেত রক্তকণিকা তৈরি করে, খনিজ পদার্থ জমা রাখে, শরীরের কাঠামো তৈরি করে, এবং চলনে সহায়তা করে। দেহের হাড় বিভিন্ন আকারের হয় এবং এর একটি জটিল অভ্যন্তরীণ এবং বাহ্যিক কাঠামো থাকে। এগুলি হালকা হলেও শক্ত হয়, এবং একাধিক কাজ সম্পন্ন করে।

বিলুপ্তপ্রায় প্রজাতির একটি হাতির প্লাইস্টোসিন বরফ যুগের একটি অস্থি

একটি হাড়ের ১০,০০০ গুণ বিবর্ধিত স্ক্যানিং বৈদ্যুতিন অণুবীক্ষণচিত্র।

অস্থি কলা (অসেয়াস কলা) হল একটি শক্ত কলা, এক ধরনের ঘন যোজক কলা। অভ্যন্তরীণভাবে এটির একটি মৌচাকের মতো ছাঁচ রয়েছে, যা হাড়কে কাঠিন্য দেয়। অস্থি কলাগুলি বিভিন্ন ধরনের অস্থি কোষ দিয়ে গঠিত। অস্টিওব্লাস্ট এবং অস্টিওসাইট গুলি হাড়ের গঠন করে এবং হাড়ের খনিজায়ন ঘটায়; অস্টিওক্ল্যাস্ট গুলি অস্থি কলার পুনঃস্থাপনের (অস্টিওক্ল্যাস্টগুলি অস্থি কলাগুলি ভেঙে দেয় এবং খনিজগুলি মুক্ত করে, যার ফলে অস্থি কলা থেকে রক্তে ক্যালসিয়াম স্থানান্তরিত হয়)[১] কাজ করে। সংশোধিত (চ্যাপ্টা) অস্টিওব্লাস্টগুলি হাড়ের পৃষ্ঠের প্রতিরক্ষামূলক স্তর গঠনকারী আস্তরণের কোষে পরিণত হয়। অস্থি কলার খনিজযুক্ত খাঁচায় প্রধানত কোলাজেনের (এক ধরনের প্রোটিন) একটি জৈব উপাদান রয়েছে যার নাম ওসেইন এবং বিভিন্ন লবণের সমন্বয়ে গঠিত হাড়ের খনিজর একটি অজৈব উপাদান আছে। অস্থি কলা হল দুই প্রকারের খনিজযুক্ত কলা, সেগুলি হল কর্টিকাল অস্থি এবং ক্যান্সেলাস অস্থি। হাড়ের অন্য ধরনের কলাগুলির মধ্যে রয়েছে অস্থি মজ্জা, এন্ডোস্টিয়াম, পেরিওস্টিয়াম, স্নায়ু, রক্তনালী ও তরুণাস্থি।

মানুষের পায়ের পাতার হাড়

জন্মের সময় মানবদেহে ৩০০ টিরও বেশি হাড় থাকে,[২] তবে এইগুলির মধ্যে অনেকগুলি বিকাশের সময় একসঙ্গে যুক্ত হয়ে যায়, এর ফলে প্রাপ্তবয়স্কদের দেহে, অসংখ্য ছোট সিসাময়েড অস্থি বাদ দিয়ে মোট ২১২ টি পৃথক হাড় থাকে।[৩] দেহের বৃহত্তম হাড় হল ঊর্বস্থি (ফিমার) বা উরুর হাড়, এবং সবচেয়ে ছোটটি হল মধ্যকর্ণের স্টেপিস।

গ্রিক ভাষায় হাড় হল (" অস্টিওন "), এটিকে উপসর্গ হিসাবে ব্যবহার করে হাড় সম্বন্ধীয় কিছু বলা হয় - যেমন অস্টিওপ্যাথি।

ong>Manures are OBTAINED from natural SOURCES, whereas fertilisers are synthetically MANUFACTURED in the factories. Manures are eco-friendly, whereas fertilisers harm the useful microbes present in the soil and also decrease the soil FERTILITY if used for a longer TIME...

ong>Explanation:

Fungi get their nutrition by absorbing organic compounds from the ENVIRONMENT. ... They decompose dead organic MATTER. A saprotroph is an organism that obtains its nutrients from non-living organic matter, usually dead and decaying plant or ANIMAL matter, by absorbing soluble organic compounds.

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ong>ANSWER:

Breeding of the RELATED animals as sire (male) and dam (female) are known as INBREEDING. Out breeding : Out breeding of unrelated animals as male and female is known as out breeding.

Explanation:

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ong>Answer:

Recent technological advancements and EXPANDED EFFORTS have led to a tremendous growth in the collective knowledge of the human microbiome. This review will highlight some of the important recent findings in this area of research.

Recent findings

Studies have described the structure and functional capacity of the bacterial microbiome in the healthy state and in a variety of disease states. Downstream analyses of the functional interactions between the host and its microbiome are starting to provide mechanistic insights into these interactions. These data are anticipated to lead to new opportunities for diagnosis, prognosis, and treatment of a variety of human diseases.

Summary

There is a fast growing collection of data describing the structure and functional capacity of the microbiome in a variety of conditions available to the research community for consideration and further exploration. Ongoing efforts to further characterize the functions of the microbiome and the mechanisms underlying host-microbe interactions will provide a better understanding of the role of the microbiome in health and disease.

Keywords: Gut microbiome, microbiota, dysbiosis, health, disease

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INTRODUCTION

The human microbiome is composed of bacteria, archaea, viruses and eukaryotic microbes that reside in and on our bodies. These microbes have tremendous potential to impact our physiology, both in health and in disease. They contribute metabolic functions, protect against pathogens, educate the immune system, and, through these basic functions, affect directly or indirectly most of our physiologic functions.

The study of the human microbiome has been furthered by technological advancements for performing culture-independent analyses (1). In most studies, the bacterial constituents of a microbial population are identified by sequencing of the 16S rRNA-encoding gene (hereafter, 16S) followed by comparison to known bacterial sequence databases. Metagenomic analysis by sequencing all microbial DNA in a complex community has the additional advantage of assessing the genetic potential of the microbial population. Other methodologies to analyze the microbial transcriptome, proteome, and metabolome provide additional information at successive levels of microbial physiology (2). We will not go into further detail on specific technical considerations in this space, but interested readers are referred to recent review ARTICLES (3-5).

Great progress in characterizing the structure of the microbiome recently has paved the way for ongoing and future studies on the functional interactions between the microbiota and the host. Studies on the function of the microbiota will be critical to understanding the role of the microbiota in human homeostasis and disease pathogenesis. In this review, we will discuss recent advancements in our understanding of the structure and function of the microbiome associated with the healthy state and with specific diseased states.

Accumulation of data on the human microbiome

The tremendous expansion of information collected on the human microbiome in recent years is highlighted by data generated through several large-scale endeavors to characterize the human microbiome, namely the European Metagenomics of the Human Intestinal Tract (MetaHIT) and the NIH-funded Human Microbiome Project (HMP) (6, 7). In 2010, the initial MetaHIT consortium study reported sequencing 3.3 million non-redundant fecal microbial genes, representing almost 200 times the quantity of microbial DNA sequences reported in all previous studies (7). In July 2014, a combined set of metagonomic sequencing data from 1267 gut metagenomes from 1070 individuals, including 760 European samples from MetaHIT, 139 American samples from HMP and 368 Chinese samples from a large diabetes study, was published with a non-redundant gene catalog of 9.8 million microbial genes (*8). Each sample contained about 750,000 genes or about 30 times the number of genes in the human genome, and less than 300,000 genes were SHARED by greater than 50% of individuals. The majority of the new genes identified in this latest study were relatively rare, found in less than 1% of individuals. This collection is thought to contain nearly a complete set of genes for most human gut bacteria and illustrates the quantity and variability of the human microbiome.

Structure and dynamics of the healthy adult microbiota

Characterization of the microbiome in healthy individuals is an important initial step in understanding the role of the microbiome in CONTRIBUTING to health and disease. Healthy adult humans each typically harbor more than 1000 species of bacteria belonging to a relatively few known bacterial phyla with Bacteroidetes and Firmicutes being the dominant phyla (9).  

Table 1

Explanation:

ong>Answer:

I will suggest her to burn a small piece of fabric of both categories to test whether it's a natural fibre or SYNTHETIC fibre.

When natural fibres are burnt their ash crumbles on touching.

While synthetic fibres show the CHARACTERISTICS of plastics on burning. As we must have observed that plastic when burnt do not turn into ash INSTEAD thry CURL up.

Therefore she can differentiate between natural and synthetic fibres by burning small pieces of each of them.

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The beauty of nature The nature of man is characterized by its beauty resulting MAINLY from the wonderful DIVERSITY of living organisms that EXIST in various parts of the earth, as well as the unique terrain of mountains, water, plateaus and forests.

Explanation:

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Kay samajat nay

Explanation:

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lay sanjay na

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ong>Answer:

Mitochondria are membrane-bound CELL organelles (mitochondrion, singular) that generate most of the chemical energy NEEDED to POWER the cell's biochemical REACTIONS. Chemical energy produced by the mitochondria is stored in a small molecule called ADENOSINE triphosphate (ATP).

An IMPULSE is a sudden force or desire — this could be an electrical impulse, or an impulse to get some pizza. If you ACT on a sudden feeling or thought, you're following an impulse. That's LIKE a whim: an impulse isn't something you've given a LOT of thought.

Explanation:

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