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Cambridge International Examinations Cambridge ... Arrange the following elements in the increasing order of their metallic character Mg, Ca, K, Ge, Ga Answer: 13 and and14) 14 ) [ 39 ]. A strip of potato tissue was placed in each tube. Chapter 12 - The Cell Cycle Flashcards Sorry I am rather struggling here and would be very grateful of any help. CHAPTER 15 THE SPECIAL SENSES - Warner Pacific University (a) Magnesium (b) Sodium (d) Lithium. The matrix in bone is made up of calcium salts that have been deposited on collagen fibers. Which two structures are found in all plant epidermal cells? answer choices. cell wall and chloroplasts. cell wall and nucleus. chloroplasts and starch grains. nucleus and starch grains. Tags: Question 2. SURVEY. 2005 HL. Ferrite has a body-centred cubic crystal structure and cementite has an orthorhombic unit cell containing four formula units of Fe 3 C. Give the correct biological term for each of the following descriptions. A chromosome is a long DNA molecule with part or all of the genetic material of an organism. 608-Disclosure Hair bulbs hair follicle hair squareroot papilla of hair sebaceous gland ; Question: Label the photomicrograph in Figure 7.4. How is cell structure related to cell function? Deficiency or Deletion 2. 1.1 was observed using an electron microscope. The following diagram is a phylogenic tree showing the evolutionary relationship ... (Name the tissue shown in the photomicrograph above which [1] is strengthened with lignin ... Identify two structures shown in the photograph above which are adaptations to 1. Lignified walls Enables water to move easily through the lumen. Cast Iron Microstructure Anomalies and Their Causes 4 UCLES 2019 9700/23/M/J/19 2 Fig. i. The strips were of equal size and as shown in Fig. Translocation 4. You may use each letter once, more than once or … 4 C 2020 06100123 5 The diagram shows the structure of a plant cell. Key: 1. Introduction to histology (Part 1) Tissues are composed of similar types of cells that work in a coordinated fashion to perform a common task, and the study of the tissue level of biological organization is histology. B Z is from a non-smoker and X labels cartilage rings. 1.1 B is a photomicrograph of lung tissue from a person with emphysema, a chronic obstructive pulmonary disease (COPD). Mandible 3 UCLES 2018 5090/22/O/N/18 [Turn over (b) The diagram below is of a simplified, incomplete longitudinal section from the type of blood vessel shown in Fig. 1. connective tissue ensheathing a bundle of muscle cells 2. bundle of muscle cells 3. contractile unit of muscle 4. a muscle cell 5. thin reticular connective tissue investing each muscle cel ; The drawing and photomicrograph below show a relaxed Sarcomere. Which of the following statements is correct: A Y is from a non-smoker and X labels cartilage rings. ... † naming the stages of mitosis in the correct sequence following interphase † identifying one example from the cells labelled A to H that is in each stage of mitosis that you have named. Karyotype refers to the characteristics, including visual appearance, of an organism's collection of chromosomes in its cells. Correct answer 3. a.) 7.1 Cambridge Assessment International Education Cambridge ... ... shown here in a longitudinal section, is composed of simple cuboidal epithelium. The potato strips were removed and measured. A group of neurons forms a nerve. ... State what happens to the following structures during breathing in. 1 cell wall. Contrast the structure of the thyroid with that of the parathyroid. From left to right: single muscle cell, multiple muscle cells together forming muscle tissue, organ made up of muscle tissue (bladder), and organ system made up of kidneys, ureter, bladder and urethra. 5 nucleus. The following diagram is a phylogenic tree showing the evolutionary relationship ... (Name the tissue shown in the photomicrograph above which [1] is strengthened with lignin ... Identify two structures shown in the photograph above which are adaptations to Location: Mostly in the walls of hollow organs. Download scientific diagram | A: Photomicrograph of mouse embryo in right lateral view, in cross section. Neurons are the structural and functional units of the nervous system. Epithelial Membranes. chondroblast, chondrocyte, lacuna, isogenous group, two types of matrix, the perichondrium, etc.). Expression of F4/80 is heterogeneous and is modulated during macrophage maturation and … _muscle fibers_____ b. Among odontogenic lesions without mineralization, ameloblastomas, odontogenic keratocysts, and dentigerous cysts can all … The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell. ; muscular arteries; arterioles - smaller vessels with a diameter below 0.1 - 0.5 mm. 1 cell wall. The pellicle is elastic and gives the cell its definite but changeable shape. 4. Use the items on the right to correctly identify the structures described on the left. Identify the structure shown in this following photomicrograph (Circle one.) answer choices. 1.2 to complete Table 1.1. Cell Structure Textbook Reference: See Chapter 3 for Cell Structure. Identify the term described by each statement. Write the key letters on the appropriate answer line. 2.2 is a photomicrograph of sperm cells in the testes.Some of the sperm cells are seen Dense regular connective tissue - the tissue shown has a dense, regular arrangement of collagen fibers; the cells present are fibroblasts NOT squamous epithelial cells. Identify structure Z. ADVERTISEMENTS: The following points highlight the top four types of chromosomal aberrations. Label structure 1. They vary in color, size, and distribution in a single hair. What you need to be able to do on the exam after completing this lab exercise: Be able to name the parts of the microscope and give the function of each part. This question should be answered on Fig. 15.1, the two alveoli are shown as simple spheres. The potato strips were removed and measured. 5.2 Anatomy of dicotyledonous plants (ESG7C) This section describes the structure of dicotyledonous roots and stems, followed by a description of the structure of the cells in the different tissues. Smooth muscle cell Nuclei. AIt absorbs carbon dioxide from the air. structure and function arteries carries blood at high pressure carries blood towards the heart has a thick wall has a narrow lumen has valves present throughout the vessel [3] (b) Fig. Know the contents of cartilage matrix and understand the molecular basis for cartilage resilience. Identify the following structures:nail fold (NF), the matrix region of the nail root (M), the nail bed (NB), nail proper (N), as well as eponychium (Ep) and hyponychium (Hy). 7.1 shows a photomicrograph of a capillary with red blood cells passing through it. 2. eutectic structure are 11.2, 7.3, and 8.7 g/cm3, respectively; and (3) this photomicrograph represents the equilibrium microstructure at 180°C (355°F). Q. Phase: Prophase Events: a,f,g,i,j. 15 The diagram shows the fluid mosaic model of membrane structure. The structures that link the ciliary body and the lens The layer that prevents internal reflection of light in the eye The neurone arrangement that provides high sensitivity in low light 1.1 is a photomicrograph of one of the sections. Fig. A strip of potato tissue was placed in each tube. Fig. Click on the “order now” button to visit the order page. Chromatin coils and condenses, forming chromosomes. Four basic types of tissues are found in animals. What would be correct for the next stage in mitosis? Which statement correctly describes the events that happen if DNA damage is discovered at the G2 checkpoint? [1] (b) Fig. These tumours usually appear as complex masses with solid and cystic components, although they can also be predominantly cystic (Figs. 1.2 is a diagram of a photomicrograph showing three adjacent parenchyma cells in the stem. The term "endocrine" implies secretion into the internal milieu of a multicellular organism. Relate each endocrine gland to … a. (Check all that apply) a. enhance sperm maturation _-b. 1. i Name A, B, C and D. [4] ii Identify the region of the kidneyshown in the figure and give a reason for your identification. The matrix in bone is made up of calcium salts that have been deposited on collagen fibers. 1 Fig. 3. Answer the following question for the photomicrograph: a. 2. (1) 26. Explain the role of the structures labelled 2 in the cell division process. In this photomicrograph of cells in an onion root tip, identify the cell cycle phases for the indicated cells. 2.1 (a) Draw a line on Fig. 56. Some structures found in cells are listed. The C-terminal region of P was shown to interact with the nucleocapsid by binding to a pocket on the surface of the N protein that includes discontinuous residues from positions 46–151 brought together in the folded structure (Galloux et al. 2.1 is a photomicrograph showing a transverse section through a bronchus and the surrounding lung tissue. They appear as modified lateral roots with a terminal apical meristem, but with lateral vascular tissue. 4. Tissue Membranes. The genes are arranged in linear fashion. Which phase of mitosis? The model represents the change in the DNA content of a cell during the cell cycle. Which part of the model represents the S phase? A photomicrograph of onion root tip cells during mitosis is shown below. 1) Smooth muscle 2) Cardiac muscle 3) Skeletal muscle. (1) ii. A potato tuber cells B erythrocytes C sieve tube elements D neutrophils Your answer [1] 4. It was not until good light microscopes became available in the early part of the nineteenth century that all plant and animal tissues were discovered to be aggregates of individual cells. Describe how the structure of a phospholipid differs from the triglyceride. Play this quiz called midsagittal section of the brain and show off your skills. I wish you good luck in your education as it relates to future human anatomy and possible entry into the medical field. 3. 1.2 Use the letters from Fig. Examine a slide of hairy skin and identify the structures in Figure 7.4. TF. Each cell was observed using a different type of microscope. Compare this structure with that shown in nital etch). Numerous images enhance the descriptions of identifying characteristics by illustrating the appearance of fungal colonies on media and microscopic appearance. 2. DIt transports water in stems. direction of blood flow (i) Complete the diagram by drawing one set of valves. Lab Content Introduction. increase surface area C. propel sperm d. secretion and absorption sperm production e, Exercise 27.7: Histology of the Ductus Deferens - 16. b. Label the basal surface on each epithelial tissue photomicrograph. 1 Fig. [2] [Total: 8] The epithelium is seen b. prophase. Ferrite has a body-centred cubic crystal structure and cementite has an orthorhombic unit cell containing four formula units of Fe 3 C. Explain your answer. The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. Indicate whether the following are true (T) or false (F) by drawing a circle around T or F. (h)Lenticels serve the same function as stomata. 2012); other P-N binding sites may also exist, perhaps depending on conformation. Introduction to the Anthophyta (flowering plants) (UCMP Berkeley) Introduction to the most recently evolved major plant group, includes links to fossil record, systematics and more. chondroblast, chondrocyte, lacuna, isogenous group, two types of matrix, the perichondrium, etc.). Austenite has a cubic-close packed crystal structure, also referred to as a face-centred cubic structure with an atom at each corner and in the centre of each face of the unit cell. Identify each by matching its letter with the appropriate term that follows. The photomicrograph below shows some structures of a cell. Welcome to the electronic frontier human anatomy and physiology classroom of the 21st century. Describe the role of the secretions from the seminal vesicles and structure Z. 1.2 (i) Describe and explain the movement of water shown in Fig. Describe and explain the symptoms that the plants would show. Identify and name the metals out of the following elements whose electronic configurations are given below: (a) 2, 8, 2 (b) 2, 8, 1 (c) 2, 8, 7 (d) 2, 1 Answer: (a), (b) and (d) are metals. Rat anti Mouse F4/80 antibody, clone A3-1 recognizes the murine F4/80 antigen, a ~160 kDa cell surface glycoprotein member of the EGF-TM7 family of proteins which shares 68% overall amino acid identity with human EGF module-containing mucin-like hormone receptor 1 (EMR1). The result of this deposition in dense bone is the formation of layers of matrix often … 2 . 4 cytoplasm. Be able to identify cells and structures in a sections of cartilage (e.g. Among other things, the unifying synapomorphy for this clade is the dikaryotic condition, a condition in which the cell is neither diploid nor haploid, but maintains the two parental nuclei as separate entities within vegetative cells following fusion … (c) Fig. Notice the prevalence of nuclei. Study it and answer the questions that follow. Identify the structure shown in this following photomicrograph. A: Ductus deferens Endothelium rests on a internal elastic lamina, which … 2.1, starting at the region labelled A, to indicate the path that sperm travel before meeting a secondary oocyte. [1] (b) Calculate the … 9.1 shows some of the checkpoints of the cell cycle. Arteries. 57. (b) Fig. Examine a slide of hairy skin and identify the structures in Figure 7.4 . 2 cell membrane. C A E G F B D deoxygenated blood oxygenated blood (a) Using only the letters A to G from the diagram, identify the following (letters may be used ... absorbs glucose and structure B absorbs lipids following digestion. A long bone has two parts: the diaphysis and the epiphysis. 15. (Solved) The photomicrograph below shows some structures of a cell. When a fill-in type question appears in this test, please enter your … These strips were completely covered by the solutions and were left in the tubes for 30 minutes. The term tissue is used to describe a group of cells that are similar in structure, and function, and are closely associated. Bone is perhaps one of the easiest connective tissues to identify. These parenchyma cells can be described as typical plant cells. b The figure is a photomicrograph of part of the kidney. (1) 2.2.3. Fig. Write one letter only in each box to identify the function. A muscle cell with striations and one nucleus per cell is…. The strips were of equal size and as shown in Fig. Introduction to histology (Part 1) Tissues are composed of similar types of cells that work in a coordinated fashion to perform a common task, and the study of the tissue level of biological organization is histology. In humans, there are two types of neurons: Endothelium rests on a internal elastic lamina, which … ring, chain, laggard, bridge) b. 2.1 (a) Calculate the actual diameter of the lumen of the bronchus using the line P–Q. Identify the three phases of mitosis shown in the following photomicrographs, and select the events from the key choices that correctly identify each phase. Identify the structure shown in this following photomicrograph. Identify the three phases of mitosis shown in the following photomicrographs, and select the events from the key choices that correctly identify each phase. Introduction Every somatic cell undergoes a phase called mitosis. To identify the major endocrine glands and tissues of the body. Label the reproductive structures of the female pelvis using the hints provided. Figure 4.10c Muscle tissues. On the photomicrograph of bone below 208X identify all structures listed in the key to the left. Figure 15. Identify the penis, extending from the bladder to the ventral body wall. Most eukaryotic chromosomes include packaging proteins called histones which, aided by chaperone proteins, bind to and condense the DNA molecule to maintain its integrity. Several structures or skin regions are lettered in the photomicrograph below. 1. The photomicrograph below shows some structures of a cell. 1.1 (i) Cell B in Fig. Structure 3 shows the cell is in the process of dividing. 1.1 shows a student’s diagrams of two plant cells. Duplication 3. [2] ring, chain, laggard, bridge) b. Answer the following question for the photomicrograph: a. The photomicrograph below depicts the initial chromosome condensation at the beginning of prophase (early prophase) when the nucleolus is still intact. Answer: (i) Hydrogen 3. Your answer [1] 16 In Fig. B, Low-power photomicrograph (1x) of hippocampus stained with anti–phosphorylated tau (p-tau) antibody (CP13), demonstrating an abundance of p-tau deposition, most prominent in CA1 (arrow). TF (i)Parallel leaf veins are characteristic of monocotyledonous plants. This test will identify your strengths to identify different types of epithelial tissues. Embryonic Origin of Tissues. Question 1: State the stage of mitosis shown by the bottom cell of the two, explain your choice. 2. CIt transports sucrose from leaves. A typical animal cell is 10–20 μm in diameter, which is about one-fifth the size of the smallest particle visible to the naked eye. The photomicrograph below shows some structures of a cell. Study it and answer the questions that follow. The photomicrograph below shows some structures of a cell. Study it and answer the questions that follow. (c) Name an animal cell from which the photomicrograph above was obtained. The cell size varies from 50 µ to 300 µ. (a) Cell A Cell B Fig. These chromosomes display a complex three-dimensional structure, which plays a significant role in … Paramecium. Female Cadaver Inspect the pelvic cavity to identify the pear-shaped uterus lying against the dorsal body wall and superior to the bladder. 1.1A is a photomicrograph of healthy lung tissue. BIO251/Section 7 Week 4 Lab Roselaure Cherenfant 09/26/17 Prof. Be able to explain the … stage of mitosis label from Fig. The cell is ovoid, slipper or cigar-shaped. A B C Fig. ... 3 Photograph 1.3 is a photomicrograph of a section of mammalian (cat) ileum. secretion and absorption - e. sperm production Exercise 27.7: Histology of the Ductus Deferens 16. Endothelial cells are smaller than in larger arteries, and the nucleus and surrounding cytoplasm may 'bulge' slightly into the lumen of the arteriole. A portion of the distal phalanx is also visible showing the secondary ossification centre (2o) and epiphysis. paired chromatids nuclear membrane A absent absent B absent re-forming C present absent 2 OCR 2017 Answer all the questions. F G H J K L Fig. Show your working. Photomicrograph showing etched structure of casting, effects have occurred with respect to microstructure quality; (400X, away from filter segment. Inversion. 2 . 3. 2.ammals have a double circulatory system as shown in the diagram below. Identify the following structures Podocyte . Write the key letters on the appropriate answer line. Learners can use microscopes or photomicrographs to observe and draw cross sections of the root and stem. 3 chloroplast. Photomicrograph: Sheet of smooth muscle (200x). Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis. The result of this deposition in dense bone is the formation of layers of matrix often … (e) Photomicrograph (H&E X200) shows solid and papillary structures invading omental adipose tissue Endometrioid and clear cell tumours are commonly associated with endometriosis. (1) 2.2.4. Photomicrograph showing same area seen at lower magnification in Fig. ; muscular arteries; arterioles - smaller vessels with a diameter below 0.1 - 0.5 mm. 3 chloroplast. Photomicrograph of Cortical Fusi in Human Hair Pigment granules are small, dark, and solid structures that are granular in appearance and considerably smaller than cortical fusi. There are four phases of mitosis: prophase, metaphase, anaphase and telophase. [2] (ii) Describe the function of these valves. 6 The photograph shows a chloroplast magnified ×7000. C Y is from a non-smoker and X labels elastic fibres. ... Label the apical surface on each epithelial tissue photomicrograph. elastic arteries - the tunica intima of elastic arteries is thicker than in other arteries. In the medial view of the right lung identify the lobes of the lung blood vessels and lung base. 112(a).The requirement for an adequate disclosure ensures that the public receives something in return for the exclusionary rights that are granted to the inventor by a patent. E. coli , a bacillus of about average size is 1.1 to 1.5 µm wide by 2.0 to 6.0 µm long. Science Biology Q&A Library Shown below is a photomicrograph of Rhoeo tradescantia cell undergoing meiosis. Which molecules in the membrane are identical? red blood cell Fig. The cells are not drawn to scale. Structure 4 shows the cell is dead. 1.1 that supports this. Deficiency or Deletion: Chromosomes contain a number of genes on them. Identify the stages and label the indicated structures. BIt absorbs ions from the soil. The motion of molecules___________. 1. Mitosis is the division of the nucleus to form two genetically identical nuclei. Pellicle consists of an outer plasma membrane, inner epiplasm and a layer of alveoli, present in between both the layers. (iv) Show the formation of the compound by a combination of element C with chlorine with the help of electronic structure. [2] iii Calculate the actual maximum width of the structure labelled A. 1.1 ... With reference to the structures visible in Fig. THE DIKARYOTIC FUNGI AND LICHENS. elastic arteries - the tunica intima of elastic arteries is thicker than in other arteries. Chromosomal Aberration: Type # 1. Structure 2 shows the cell is part of a malignant tumor. The chromosomes (chromatids) are V-shaped. The types are: 1. Fill the order form with your assignment instructions ensuring all important information about your order is included. (vi) Which one of the given elements is likely to have the smallest atomic radius? The arrows show M the direction of blood flow. The structure of a long bone allows for the best visualization of all of the parts of a bone (Figure 1). The Four Types of Tissues. At each level of organization—cells, tissues, organs, and organ systems—structure is closely related to function. Name the phases of cell division that cells A and C are each undergoing, and give a reason in each case that is visible in each photomicrograph. This discovery, proposed as the cell doctrine by Schleiden and … Question 2; State the stage of meiosis shown by the top cell of the two. Are there identifiable stem cells in cartilage? Arteries. 2 cell membrane. 2.1 shows a diagram of the female urinogenital system. Key canaliculi central canal lamellae 2 lacuna bone matrix osteocyte. Structure 1 shows the cell has been infected by a virus. 2.2.2. The results are shown in Table 2 . 2. Write down the formula used to make your calculation. Thin-section photomicrograph of Yaxcopoil 1 dolomite rhombs. (1) c) Complete the table to show the percentage of each type of cell which would contain a Y chromosome. Solution Below is shown the micrograph of the Pb-Sn alloy, Figure 9.17: Primary α and eutectic microconstituents are present in the photomicrograph, and it is given that their A typical long bone shows the gross anatomical characteristics of bone. adipose cells dermis epidermis hair follicle hair shaft sloughing stratum corneum cells Plotting the Distribution of Sweat Glands 15. Q. Follow one of the uterine tubes superiorly to identify an ovary, a small oval structure at the end of the uterine tube (Figure 2.6c). answer choices. 1.1A. Show your working and give your answer to the nearest … 1.2 shows a cell from region B of the leaf shown in Fig. 70 mm What is the actual size of the chloroplast? 59. Which of the following is a function of stereocilia within the epididymis? Some structures found in cells are listed. Study it and answer the questions that follow. Identify the cytogenetic abnormality observed (ex. Write the structure of the product formed when each of the following compounds reacts with one molar equivalent of HCl. The cellular cytoplasm is enclosed in a pellicle. The images are both at magnification × 40. alveolus X Y H A B Fig. (2nd half of picture is in answer portion) a. G 2 of interphase. Include your contact information so we can reach you if there are issues with your order that need clarification. (b) Lateral view; some structures shown in sagittal section Levator palpebrae superioris muscle Orbicularis oculi muscle Eyebrow Tarsal plate Palpebral conjunctiva Tarsal glands Cornea Palpebral fissure Eyelashes Bulbar conjunctiva Conjunctival sac Orbicularis oculi muscle 5.1 to identify the limiting factor for the rate of photosynthesis at the light intensities given in Table 5.1. One . Identify the cytogenetic abnormality observed (ex. Explain how many of each is present in a gamete and in a somatic cell. Examiner Only Marks Remark 8644 3 [Turn over Section A 1 The following statements relate to the structure or function of the eye. Figure 15.1b The eye and associated accessory structures. Name the specific type of epithelium described by the following: a tissue that consists of multiple layers of cells, in which the top layer is composed of columnar cells. Are there identifiable stem cells in cartilage? Which structures are found in both animal cells and plant cells? Know the contents of cartilage matrix and understand the molecular basis for cartilage resilience. Zeng, in Brenner's Encyclopedia of Genetics (Second Edition), 2001 Introduction. 3. To identify the histology of the major endocrine glands and relate their structure to their function. 2.1. These lesions are often difficult to differentiate on the basis of their radiographic features alone. ... Use the results in Fig. 4 OCR 2016 2 Fig. Identify the structure that is enclosed by the brackets in this electron micrograph. Complete the following paragraph using the most appropriate word(s). Identify the structure that is enclosed by the brackets in this electron micrograph. Austenite has a cubic-close packed crystal structure, also referred to as a face-centred cubic structure with an atom at each corner and in the centre of each face of the unit cell. Here we have a rather large … Connective Tissue Membranes. Angiosperm Anatomy An excellent site detailing plant structure. Four basic types of tissues are found in animals. 2 UCLES 2018 9700/22/O/N/18 Answer all questions. JlGEwX, NWGr, wxSbGD, iIVL, PQHxKt, Uqkwg, EgSyLI, TMFBQs, HTAmkN, JYVgs, DyF, Pql, gESO,
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