A) eukaryotic cells have a neuclus‚ prokaryotic cells do not. B) Both have DNA 3. Which type of microscopy provides a 3d view of the surface of an object? A) a scanning tunneling microscope 4. Would you find proteins inside cells or cells inside proteins? (Choose one answer.) proteins in cells 5. Which typeof molecule travels through an aquaporin? Water molecules 6. Explain the basic organization (main components) of a plasma membrane. Include at least 4 distinct parts in your description
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progesterone’s‚ and androgens that pass through a cell’s nucleus‚ binding to specific receptors and genes to trigger the cell to make proteins. Amino acids derivatives‚ a water – soluble molecules that are derived from amino acids that are stored in endocrine cells‚ binding to protein receptors to the surface of the cell‚ activating enzymes and other cellular proteins or influenced gene expression. Finally‚ Insulin‚ a growth hormone that polecats in and other water soluble polypeptide hormones (which
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nearly all living organisms‚ is the acid that carries genetic information. RNA- Ribonucleic acid (RNA)‚ is an acid that is present in all living cells‚ it’s main role is to act as messenger and carry instructions from DNA fro controlling the synthesis of proteins. What are Eukaryotic Cells and Eukaryotic Organisms? A eukaryotic cell is a cell that contains complex organelles like nuclei or mitochondria enclosed within a membrane and eukaryotic organisms are organisms that are made up of eukaryotic
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PROTEIN ENERGY MALNUTRION Types include:[2] * Kwashiorkor (protein malnutrition predominant) * Marasmus (deficiency in both calorie and protein nutrition) * Marasmic Kwashiorkor (marked protein deficiency and marked calorie insufficiency signs present‚ sometimes referred to as the most severe form of malnutrition) Note that this may also be secondary to other conditions such as chronic renal disease[3] or cancer cachexia[4] in which protein energy wasting may occur. Protein-energy
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around the cell to separate them from the surrounding environment (Marieb‚E N‚ (2012).)‚ the membrane allows what comes in and out of the cell. The structure of the cell membrane consists of two layers of phospholipids (fatty substances) with large protein molecules inserted completely into the layers. The phospholipids are an important component of the cell membrane as they form a lipid bi-layer which has a head that is electrically charged and hydrophilic (Waugh‚ A & Grant‚ A ‚2012.) which means
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40 A cell that does not contain a multiple of 23 chromosomes is called a _____ cell. diploid euploid aneuploid haploid Question 7 of 40 Which of the following molecules is likely to accumulate in dead or dying tissues? Calcium Protein Uric acid Melanin Question 8 of 40 A condition in which a single chromosome is missing in each cell is called a haploid condition. an autosomy. a monosomy. Down Syndrome. Question 9 of 40 A child is born with blue eyes (bb)
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The term oxidative stress has been often used to indicate the outcome of oxidative damage to biologically relevant macromolecules such as: nucleic acids‚ proteins‚ lipids and carbohydrates. This occurs when oxidative stress-related molecules‚ produced in the extracellular environment or within the cell exceed cellular antioxidant defenses (Cadenas‚ 1989). Molecular oxygen can easily accept unpaired electrons giving rise to a group of partially reduced species‚ generally termed ROS. The ROS include:
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following cellular alterations would most likely be seen in his myocardium? And why? Answer: hypertrophy | Hypertrophy‚ because of increased work load Synthesis of more structural & functional components of cell. -Increase Endoplasmic reticulum ER‚ -Increase Mitochondria -Increase Myofilaments -Increase synthesis of structural proteins and DNA Question3 Marks: 1 Case #3: A 69-year-old man has had difficulty with urination‚ including hesitancy and frequency‚ for the past 5 years. A
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Mitochondria - Take in glucose via proteins that pass the plasma membrane and after it journey through the cytoskeleton to the mitochondria inside the cytoplasm. Endoplasmic Reticulum - Both ER types are covered in making essential cellular segments. For the most part in charge of the combination and handling of proteins that are either emitted from the cell or that end up stuck in the plasma film. The lipids made in the SER are joined with phosphorous to make phospholipids‚ the most inexhaustible
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Animals make some molecules unique to them 1) Galactose (monosaccharide) from glucose 2) Lactose (disaccharide) Glu‐Gal found in milk 3) Solid lipids (not oils) solid at room temperature 4) Glycogen‐ chains of glucose used for energy storage Synthesizing Polymers 1) Dehydration synthesis a. monomers join together into polymers while losing water molecules. This process is carried out by losing (‐OH) from one of the monomers and (H) from another monomer. The two unstable monomers join together‚ and the (‐OH) and (H) combine forming water
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