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    • Posted by Akhifa Sheik 3 years, 4 months ago

    CBSE > Class 11 > Biology
    • 0 answers
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    • Posted by Rinku Gahlawat 3 years, 4 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Daksh Dhaka Dhaka 3 years, 4 months ago

    Most golden algae are single-celled biflagellates with two specialized flagella. They are characterized by the pigment fucoxanthin and by the use of oil droplets as a food reserve. Many are encased in a silica cyst known as a statocyst or statospore, the ornamentation of which can serve to distinguish between species.

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    • Posted by Haritima Hada 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Preeti Dabral 3 years, 5 months ago

    The next stage of prophase I in meiosis is the zygotene stage. During this stage, the chromosomes attach themselves by their ends (telomeres) to the inner membrane of the nuclear envelope.

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    • Posted by Haritima Hada 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Preeti Dabral 3 years, 5 months ago

    Nucleo - protein complex formation stage is observed during the pachytene stage of the meiosis type of cell division. In this stage a protein is formed between the two homologus chromosomes and may led to chromosomal pairing or synapsis.

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    • Posted by Harmandeep Kaur 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 3 answers

    Haritima Hada 3 years, 5 months ago

    It isof blood

    1Thank You

    Haritima Hada 3 years, 5 months ago

    Explanation or definition

    1Thank You

    Haritima Hada 3 years, 5 months ago

    What do you need

    1Thank You

    ANSWER

    • Posted by Sushil Dmani 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Preeti Dabral 3 years, 5 months ago

    TRANSMISSION OF NERVE IMPULSE

    • Normal State/ Polarized State

    In the normal (resting) condition, the outer side of the nerve fiber carries positive (+) charge. This is called polarized state. At this state more Na+ ions are outside the the axon membrane.

     

    • On Stimulation (Depolarized State),

    The axon membrane at the spot where stimulation takes place becomes more permeable to Na+ which move inwards and cause loss of Polarization, i.e., they become excited (depolarized state).

     

    • Repolarization

    Meanwhile, the previous region become Repolarized due to active transport of Na+ ions again to the outside. (This transport is achieved by using energy thru ATP and its called ‘‘Sodium Pump’’).

     

    ‘‘Conduction of nerve impulse is a wave of depolarization followed by repolarization’’

    Which means conduction of nerve impulse takes place by the movement of Na+ ions in and out of the axon membrane. While depolarization, Na+ ions move inside the membrane, and during repolarization they move outside the membrane due to the active transport of Na+ ions using energy thru ATP.

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    • Posted by Ansh Sahu 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Preeti Dabral 3 years, 5 months ago

    Holozoic nutrition involves the ingestion and internal processing of solid and liquid food in an organism. This involves the steps of ingestion, digestion, absorption, assimilation and excretion. Ingestion is the intake of food, which is broken down into simpler organic matters by a process called digestion.

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    • Posted by Abhay Singh 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Abhay Singh 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Sachin Yadav 3 years, 5 months ago

    Volvox

    0Thank You

    Adithya Dev A 3 years, 5 months ago

    Volvox.

    1Thank You

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    • Posted by Abhay Singh 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Preeti Dabral 3 years, 5 months ago

    Red Algae Brown Algae Green Algae
    Mainly marine. Marine forms. Chiefly freshwater.
    Only a few are unicellular. Unicellular forms do not exist. Unicellular species are more.
    Thylakoids unstacked. Occur in groups of three. Stacked in groups of 2-20.
    Only chlorophyll-a present. Chlorophyll ‘a’ and 'c' present. Chlorophyll 'a' and ‘b’ is present
    Fucoxanthin present Fucoxanthin is present. Fucoxanthin is absent.
    Phycobilins present Absent Phycobilins absent.
    Reserve food is Floridean starch. Reserve food is Laminarin. Reserve food is starch.
    Motile stages are not observed. Present. The motile stage is present.

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    • Posted by Priyanshi Sharma 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Adithya Dev A 3 years, 5 months ago

    No. As there are certain living organisms which do not reproduce like MULES, STERILE WORKER BEES and INFERTILE HUMAN COUPLES.

    3Thank You

    Abhay Singh 3 years, 5 months ago

    No. Because some living organisms can't do reproduction.

    2Thank You

    ANSWER

    • Posted by Akshita Queen 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Sia ? 3 years, 5 months ago

    Modern taxonomy, also known as biosystematics, is a branch of systematics that identifies taxonomic affinity based on evolutionary, genetic, and morphological characteristics. The typological concept has been abandoned. Every category is the result of a process of evolution.

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    • Posted by P.Akshitha Reddy 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Khushi Tiwari 3 years, 5 months ago

    ?

    0Thank You

    Nishant Singh 3 years, 5 months ago

    Don't know

    0Thank You

    ANSWER

    • Posted by Kavya Sood 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Abhay Singh 3 years, 5 months ago

    Nucleosides are the structural subunit of nucleic acids such as DNA and RNA.

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    • Posted by Anshika Parmar 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Nidhi Parmar 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Abhay Singh 3 years, 5 months ago

    No. Because there are some living organisms which doesn't reproduce. eg. - mule, worker bee. Etc.

    0Thank You

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    • Posted by Nidhi Parmar 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Harsha Vardhan 3 years, 3 months ago

    No

    0Thank You

    Abhay Singh 3 years, 5 months ago

    ... Growth is also not a defining characteristics of living or non living because growth means increase in mass and this contradict that non- living also live as we increase their mass by some means.

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    • Posted by Royal Boy 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 5 answers

    Khushi Tiwari 3 years, 5 months ago

    biology is the study of life .??

    0Thank You

    Yashika Chauhan? 3 years, 5 months ago

    Biologyis the branch of science it deals with the microgranisms

    0Thank You

    Abhay Singh 3 years, 5 months ago

    Simply biology is study of life forms and living beings.

    0Thank You

    Naushin Fatima 3 years, 5 months ago

    Biology is the study of science in which we study about the life of living organism.

    0Thank You

    Adithya Dev A 3 years, 5 months ago

    Biology is the science of LIFE, its origin, evolution, classification and composition. Aristotle is considered to be the "Father of Biology".

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    • Posted by Sneha Bhardwaj 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Omm Rahil 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    P.Akshitha Reddy 3 years, 5 months ago

    He is father of zoology

    0Thank You

    Adithya Dev A 3 years, 5 months ago

    Aristotle was the Greek scientist who was the first to classify living organisms based on certain basic features. He classified plants into HERBS, SHRUBS and TREES and animals into ENAIMA (with red blood) and ANAIMA (without a red blood). Also known as father of ZOOLOGY.

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    • Posted by C V 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 4 answers

    Abhay Singh 3 years, 5 months ago

    All chemical processes occuring inside our body is metabolism.

    0Thank You

    Adithya Dev A 3 years, 5 months ago

    The sum total of all biochemical reactions taking place within the body of an organism which indirectly stimulates the occurrence of life processes is known by the term METABOLISM. It is a combination of CATABOLISM (breakdown) and ANABOLISM (combination).

    0Thank You

    Omm Rahil 3 years, 5 months ago

    The prosses in which the chemical reaction takes place is called metabolism

    0Thank You

    Robert V 3 years, 5 months ago

    Energy or biochemical reactions

    1Thank You

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    • Posted by , 🙂 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 5 answers

    Darsh Patel 3 years, 5 months ago

    Oswaal Books

    1Thank You

    Royal Boy 3 years, 5 months ago

    Maths is best

    1Thank You

    Sai Sudeep Kumar Das 3 years, 5 months ago

    Bio - Truman's elementary or MTG at fingertips or CENGAGE PHY - CONCEPT OF PHYSICS BY HC VERMA CHEM- MTG AT FINGER TIPS OR FOUNDATION OF CHEMISTRY

    1Thank You

    , 🙂 3 years, 5 months ago

    Other than it

    2Thank You

    Saswat Kumar Jena 3 years, 5 months ago

    Ncert is the best book for neet preparation

    6Thank You

    ANSWER

    • Posted by Shazia Parveen 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Preeti Dabral 3 years, 5 months ago

    As the solubility of CO2 is 20-25 times higher than that of O2, the amount of CO2 that can diffuse through the
    diffusion membrane per unit difference in partial pressure is much higher compared to that of O2.

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    • Posted by Dhivyasree Mohan 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Himanshu Rajput 3 years, 5 months ago

    Sry dhivu,pr whatsapp hi ek aisa platform h jha mai tumhe send kr skta hoon?

    5Thank You

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    • Posted by Tushty Jindal 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Ayushi Smps 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Vaishnavi Narwariya 3 years, 3 months ago

    Porifera : Asymmetrical body Acoelomate. Diploblastic They have minute pores called ostia Ostia open into large cavity called spongocoel Then spongocoel opens to the outside by osculum

    1Thank You

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    • Posted by P.Akshitha Reddy 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 2 answers

    Sai Sudeep Kumar Das 3 years, 5 months ago

    In cell biology, the nucleus is a membrane-bound organelle found in eukaryotic cells. Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others including osteoclasts have many. The main structures making up the nucleus are the nuclear envelope, a double membrane that encloses the entire organelle and isolates its contents from the cellular cytoplasm; and the nuclear matrix (which includes the nuclear lamina), a network within the nucleus that adds mechanical support, much like the cytoskeleton supports the cell as a whole.The cell nucleus contains all of the cell's genome, except for the small amount of mitochondrial DNA and, in plant cells, plastid DNA. Nuclear DNA is organized as multiple long linear molecules in a complex with a large variety of proteins, such as histones, to form chromosomes. The genes within these chromosomes are structured in such a way to promote cell function. The nucleus maintains the integrity of genes and controls the activities of the cell by regulating gene expression—the nucleus is, therefore, the control center of the cell.

    1Thank You

    Abhay Singh 3 years, 5 months ago

    In the eukaryotic cell - _It is an organelle _ enclosed by nuclear membrane _ it contains most of cell's genetic material. FUNCTION:- _The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) . _ carries the genes, structures that contain the hereditary information.

    2Thank You

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    • Posted by Amalu Unnithan 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 0 answers
    ANSWER

    • Posted by Sweety Singh 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Sia ? 3 years, 5 months ago

    Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing.

    0Thank You

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    • Posted by Anushi Patidar 3 years, 5 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Sia ? 3 years, 5 months ago

    Constipation is characterised by small amounts of hard, dry bowel movements usually fever than three times a week. In constipation, the faeces are retained within the rectum as the bowel movement occurs irregularly. The causes for constipation involve water deficiency, lack of roughage in diet, spasm of colon, lack of exercise, emotional stress and certain drugs. Indigestion is the condition in which the food is not properly digested leading to a feeling of fullness. The cause of indigestion are inadequate enzyme secretion, anxiety, food poisoning, over eating and spicy food consumption.

    1Thank You

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