Grade 4 Unit 3 Lesson 1 Plant & Animal Cells.ppt
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This document provides information about plant and animal cells. It defines cells and lists their main parts. Plant cells have a cell wall and chloroplasts, while animal cells do not. Both contain a nucleus, cytoplasm, mitochondria and ribosomes. The document describes different types of animal cells, including nerve, blood, muscle and skin cells. Each type of animal cell is specialized to perform different functions in the body. Plant cells also have different specialized cell types like parenchyma and sclerenchyma cells. The key difference between plant and animal cells is that plant cells have a cell wall and chloroplasts that animal cells lack.
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Plant & animal cells
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Context. The early-type galaxy SDSS J133519.91+072807.4 (hereafter SDSS1335+0728), which had exhibited no prior optical variations during the preceding two decades, began showing significant nuclear variability in the Zwicky Transient Facility (ZTF) alert stream from December 2019 (as ZTF19acnskyy). This variability behaviour, coupled with the host-galaxy properties, suggests that SDSS1335+0728 hosts a ∼ 106M⊙ black hole (BH) that is currently in the process of ‘turning on’. Aims. We present a multi-wavelength photometric analysis and spectroscopic follow-up performed with the aim of better understanding the origin of the nuclear variations detected in SDSS1335+0728. Methods. We used archival photometry (from WISE, 2MASS, SDSS, GALEX, eROSITA) and spectroscopic data (from SDSS and LAMOST) to study the state of SDSS1335+0728 prior to December 2019, and new observations from Swift, SOAR/Goodman, VLT/X-shooter, and Keck/LRIS taken after its turn-on to characterise its current state. We analysed the variability of SDSS1335+0728 in the X-ray/UV/optical/mid-infrared range, modelled its spectral energy distribution prior to and after December 2019, and studied the evolution of its UV/optical spectra. Results. From our multi-wavelength photometric analysis, we find that: (a) since 2021, the UV flux (from Swift/UVOT observations) is four times brighter than the flux reported by GALEX in 2004; (b) since June 2022, the mid-infrared flux has risen more than two times, and the W1−W2 WISE colour has become redder; and (c) since February 2024, the source has begun showing X-ray emission. From our spectroscopic follow-up, we see that (i) the narrow emission line ratios are now consistent with a more energetic ionising continuum; (ii) broad emission lines are not detected; and (iii) the [OIII] line increased its flux ∼ 3.6 years after the first ZTF alert, which implies a relatively compact narrow-line-emitting region. Conclusions. We conclude that the variations observed in SDSS1335+0728 could be either explained by a ∼ 106M⊙ AGN that is just turning on or by an exotic tidal disruption event (TDE). If the former is true, SDSS1335+0728 is one of the strongest cases of an AGNobserved in the process of activating. If the latter were found to be the case, it would correspond to the longest and faintest TDE ever observed (or another class of still unknown nuclear transient). Future observations of SDSS1335+0728 are crucial to further understand its behaviour. Key words. galaxies: active– accretion, accretion discs– galaxies: individual: SDSS J133519.91+072807.4
11.1 Role of physical biological in deterioration of grains.pdf
Storagedeteriorationisanyformoflossinquantityandqualityofbio-materials.
Themajorcausesofdeteriorationinstorage
•Physical
•Biological
•Mechanical
•Chemical
Storageonlypreservesquality.Itneverimprovesquality.
Itisadvisabletostartstoragewithqualityfoodproduct.Productwithinitialpoorqualityquicklydepreciates
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Ozturkcan, S., Berndt, A., & Angelakis, A. (2024). Mending clothing to support sustainable fashion. Presented at the 31st Annual Conference by the Consortium for International Marketing Research (CIMaR), 10-13 Jun 2024, University of Gävle, Sweden.
Anti-Universe And Emergent Gravity and the Dark Universe
Recent theoretical progress indicates that spacetime and gravity emerge together from the entanglement structure of an underlying microscopic theory. These ideas are best understood in Anti-de Sitter space, where they rely on the area law for entanglement entropy. The extension to de Sitter space requires taking into account the entropy and temperature associated with the cosmological horizon. Using insights from string theory, black hole physics and quantum information theory we argue that the positive dark energy leads to a thermal volume law contribution to the entropy that overtakes the area law precisely at the cosmological horizon. Due to the competition between area and volume law entanglement the microscopic de Sitter states do not thermalise at sub-Hubble scales: they exhibit memory effects in the form of an entropy displacement caused by matter. The emergent laws of gravity contain an additional ‘dark’ gravitational force describing the ‘elastic’ response due to the entropy displacement. We derive an estimate of the strength of this extra force in terms of the baryonic mass, Newton’s constant and the Hubble acceleration scale a0 = cH0, and provide evidence for the fact that this additional ‘dark gravity force’ explains the observed phenomena in galaxies and clusters currently attributed to dark matter.
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.Describing and Interpreting an Immersive Learning Case with the Immersion Cub...
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
Summary Of transcription and Translation.pdf
Hello Everyone Here We are Sharing You with The process of protien Synthesis in very short points you will be Able to understand It Very well
fermented food science of sauerkraut.pptx
This ppt contains the production of a fermented food name - sauerkraut
Compexometric titration/Chelatorphy titration/chelating titration
Classification
Metal ion ion indicators
Masking and demasking reagents
Estimation of Magnisium sulphate
Calcium gluconate
Complexometric Titration/ chelatometry titration/chelating titration, introduction, Types-
1.Direct Titration
2.Back Titration
3.Replacement Titration
4.Indirect Titration
Masking agent, Demasking agents
formation of complex
comparition between masking and demasking agents,
Indicators/Metal ion indicators/ Metallochromic indicators/pM indicators,
Visual Technique,PM indicators (metallochromic), Indicators of pH, Redox Indicators
Instrumental Techniques-Photometry
Potentiometry
Miscellaneous methods.
Complex titration with EDTA.
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Grade 4 Unit 3 Lesson 1 Plant & Animal Cells.ppt
- 1. Plant and Animal Cells Grade 4 Unit 3 Lesson 1
- 2. Topics Covered… • cell definition • parts of plant and animal cells • comparison of plant and animal cells • different types of animal cells
- 3. What is a cell? definition: a small compartment that holds all of the biological equipment necessary to keep an organism alive
- 4. About cells… Their main purpose is to organize. They make up all living things. Cells are alive!
- 5. Animal Cell What is it? • a form of eukaryotic cell • makes up many tissues in animals • many types (cheek, nerve, muscle, skin)
- 6. Plant Cell What is it? • a structural and functional unit of a plant • different plant cells have different roles • many types (parenchyma, collenchyma, sclerenchyma)
- 7. Animal Cell What are the parts? nucleus Golgi apparatus cytoplasm smooth endoplasmic reticulum rough endoplasmic reticulum mitochondrion cell membrane ribosomes vacuole flagella
- 8. Plant Cell What are the parts? nucleus mitochondrion ribosomes Golgi apparatus cell wall cytoplasm smooth endoplasmic reticulum rough endoplasmic reticulum chloroplast vacuole
- 9. Animal Cell vs. Plant Cell What’s the difference? chloroplasts cell wall rectangluar shape large vacuole flagella small or no vacuole
- 10. Plant Animal Both mitochondrion Golgi apparatus nucleus cytoplasm ribosomes rough and smooth endoplasmic reticulum cell wall no cell wall large vacuole chloroplasts Compare and Contrast small or no vacuole no chloroplasts flagella flagella only in gametes
- 11. Animal Cells • Nerve cells electrochemically send information between sensory receptors and the central nervous system. Each type of animal cell is specialized to do different jobs. dendrites axon
- 12. Animal Cells • Blood cells carry oxygen to the body’s tissues and collect carbon dioxide. They also carry hormones, enzymes, and vitamins to different parts of the body. Each type of animal cell is specialized to do different jobs. red blood cell white blood cell
- 13. Animal Cells • Muscle cells comprise the three different types of muscles: skeletal, cardiac, and smooth types. These cells are shaped differently and enable these muscles to help our bodies function properly. Each type of animal cell is specialized to do different jobs.
- 14. Animal Cells • Skin cells make up the tissue that covers our bodies. These cells are good at providing a barrier to the external environment and at preventing water loss. Each type of animal cell is specialized to do different jobs.
- 15. Animal Cells Each type of animal cell is specialized to do different jobs. There are many other types of animal cells! lung cells bone cells brain cells
- 16. The End