Describe secondary growth and its origin.

Q: Contrast primary growth with secondary growth.

A: The growth that occurs by the action of primary meristem and increases the stem length is called…

Q: carefully sketch 3 or 4 onion epidermis cells showing their shape and arrangement label: cell wall,…

A: Onion root cells are epidermal cells rectangular shaped, they protect the cell from pathogens. Each…

Q: Explain comprehensively the secondary growth in dicotyledonous plant stem from the very early stage…

A: Dicotyledonous Stem The transverse section of a typical young dicotyledonous stem shows that the…

Q: For which process are the microorganisms in root nodules of legumes important?

A: Introduction:  Legumes are form a symbiotic relationship with nitrogen-fixing soil bacteria  which…

Q: Why are the spores a good dry lubricant?

A: Spores are microscopic units that are present in life cycle plants, fungi, algae, or protozoa. They…

Q: Differentiate between stomatal and lenticular transpiration.

A: Plants perform several physiological processes through leaves and stems. Transpiration can occur…

Q: Summarize the nature, mode of action, and effectiveness of moist and dry heat on spores and…

A: Sterilization is the process of killing all kinds of life forms like bacteria, cells, virus, and…

Q: Are carrots, onion, potato, ginger, and turnip is herbaceous or suffrutescent?

A: Suffrutescent are the plants that have woody or half-woody stems, especially at the basal part.…

Q: Discuss about the Phytochrome control of growth pattern ?

A: The plants consist of roots, stem, leaves, fruits and flowers. The conduction system in plants are…

Q: (a) With the aid of a diagram, plot a sigmoid curve for human growth and label the phase that…

A: A growth curve exhibits the empirical model of various quantities such as biomass, population size,…

Q: In which phase of the growth curve do cells divide in a constanttime period?

A: Provided with the correct conditions (food, correct temperature, etc) microbes will grow terribly…

Q: 12. What conditions are adverse to the use of phytoremediation?

A: Introduction Phytoremediation is a plant-based approach to remove or reduce the amount of…

Q: Calculate doubling time (td) and specific growth rate (μ) by using logarithmic growth stage.

A: In unicellular organisms, growth is measured in terms of the increase in the number of cells by cell…

Q: Some plant species exhibit ‘secondary growth’. Describe what secondary growth is, including the…

A: Secondary growth is the growth in plants which occurs in the mature stages of the plant life cycle.…

Q: What is the difference between primary and secondary growth?

A: Primary Growth: Plants have Meristematic Tissues which are responsible for the growth of the…

Q: Describe the formation of mycorrhizae and root nodules, and how they benefit the organisms involved

A: Fungi are the multicellular eukaryotic organisms. They are heterotrophs and contain chitin in their…

Q: Name the growth regulators used in plant tissue culture and also state their functions.

A: Given: The growth regulators used in plant tissue cultuture. Plant growth regulators are also called…

Q: Define the Root nodules and mycorrhizae ?

A: Root nodules are present in the roots of plants mainly legumes. A legume is a plant in the Fabaceae…

Q: In a clinical laboratory we are interested in recovering a pathogenic fungus. What is the middle of…

A: Fungi are an industrially important yet understudied category of creatures. The fungus has evolved a…

Q: In a research work you are interested in studying the presence of certain fungi associated with the…

A: The term mycorrhiza describes the mutualistic relationship between the fungus in the plant's…

Q: Differentiate meristematic tissues from permanent tissues. Give examples for each.…

A: Meristematic tissue and permanent tissues are two different types of tissues formed in plants. Both…

Q: What is primary growth and secondary growth?

A:

Q: List 3 attached growth and 3 suspended growth treatment technology available in the market

A: Attached and suspended growth treatment technologies are used in the wastewater treatment plant. It…

Q: Define the terms for high, medium, or low levels of each physical factor that describe organisms…

A: A microbial culture works as a factory in which the metabolism of thr Microorganisms is exploited to…

Q: Label the phases of the following growth curve and describe what is happening in each phase. Make…

A: There are billions of microorganisms that are present in our surroundings. These microorganisms keep…

Q: Describe the properties that enhance the resistance of endospores to the processes that usually kill…

A: The typical living cell might be referred to as a vegetative cell. With the exception of a few…

Q: Plant tissue culture i

A: PLANT TISSUE CULTURE _ * Tissue  culture is the in vitro aseptic culture of cells, tissue,organs or…

Q: IN PHOLEUM, ORGANIC COMPOUNDS FLOW THROUGH ........................ *     Collenchyma tubes…

A: Pholem Food conducting tissue of vascular plants.  A complex tissue like Xylem.  Composed of…

Q: What is the main growth form of Volvox ? Why isn't it considered multicellular? Provide evidence…

A: Algae is a group of thalloid plants in which the body is not differentiated into true roots, stems…

Q: Place appropriate points on the axes and draw and label separategraphs that fit a psychrotroph and…

A: When microorganisms supplied with an adequate amount of nutrients and other environmental factors…

Q: Describe the growth as it appears in the Broth Tube or Agar Slant.

A: Microbes are cultured for scientific and research studies on various media. This enables us to know…

Q: Using your growth curve determine approximately how long is lag phase? The log phase? The stationary…

A: A Bacterial Growth is an increase in cell number by asexual processes of cell division in bacteria…

Q: Differentiate between turbidity and flocculent.  Be specific.

A: Both turbidity and flocculation are widely used in conventional water treatment processes.

Q: What advantage might soil bacteria and fungi gain from the synthesis of antibiotics? Regular use of…

A: Antibiotics  Antibiotics are the chemicals that are produced by bacteria and fungi to kill other…

Q: Why does the growth rate rise with increasing temperature and then fall again at higher…

A: Cell growth is defined as an increase or elevation in the cell's overall mass, which includes the…

Q: Are potato, onion, turnip, carrot, and ginger are herbaceous or suffrutescent?

A: Plants are mostly multicellular living beings, transcendently photosynthetic eukaryotes of the realm…

Q: Differentiate between humification and mineralization.

A: Decomposition is a biological process which involves the breakdown of complex organic matter into…

Q: Which of the following terms are used to describe the appearance of the edge or margin of a colony…

A: Agar is a sulphated polysaccharide which is widely used as solidifying agent in microbiological…

Q: Why is it easier to culture meristem compared to permanent tissue?

A: The meristem tissues that have the capability to enlarge and consist of young immature cells. The…

Q: Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate…

A: Growth is regarded as one of the most fundamental and conspicuous characteristics of a living being.…

Q: What happens if Physarum dries?

A: Physarum is a protist slime mold that has diverse cellular forms and broad geographic distribution.…

Q: Refer to the figure below. Secondary growth is represented by III IV II O A.1 O B. IV O D.||

A: the secondary growth consists of the vascular cambium and the thickness of the plant is much higher…

Q: 30. The optimum temperature for the growth of Mycobacte A. 25°C 8. 30°C C. 35°C D. 37°C E. 40°C

A: Mycobacterium tuberculosis is the bacteria that causes tuberculosis. TB germs are most commonly…

Q: label all structures  photo of a prepared onion root tip slide under a compound light microscope at…

A: Onion cells are smaller, thinner and bricked together. The skin of the onion peel is single cell…

Q: Compare and contrast root nodules with mycorrhizae.

A: Symbiotic relationship is any type of biological interaction that occurs between two different…

Tissue renewal

In multicellular organisms, tissue is a level of structure that consists of a group of physically and functionally identical cells and their intercellular substances. Unicellular organisms do not have tissues. Tissues are absent or poorly differentiated even in the simplest multicellular animals, such as sponges. However, more evolved multicellular animals and plants have specialized tissues that may organize and govern an organism's reaction to its surroundings. The word tissue is derived from the Latin word 'weave.' Plants and animals have various kinds of tissue systems that differ in their work and composition according to the different requirements.