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cell-biology

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cell-biology

Active Transport – Sodium-Potassium Pump: One of the most important membrane transport proteins in human cells is the sodium ion-potassium ion pump. On pages 81-82, your textbook covers t

Active Transport – Sodium-Potassium Pump: One of the most important membrane transport proteins in human cells is the sodium ion-potassium ion pump. On pages 81-82, your textbook covers the importance of maintaining electrochemical gradients across the plasma membrane. Animal cells do this primarily by regulating the concentrations of sodium ions (Na+) and potassium ions (K+) […]

A nasty disease called Couch Potato is caused by a mutation to the gene NetflixBinge. However, most people suffering from this disease have different mutations- because the gene is very l

A nasty disease called Couch Potato is caused by a mutation to the gene NetflixBinge. However, most people suffering from this disease have different mutations- because the gene is very large. If you wish to study this disease- do you think it’d be better to study a cell line in culture or create primary cell […]

1. Explain the process of DNA replication in eukaryotic cells. Include all enzymes involved in the process and their roles. 2. a) Describe the structure of the plasma membrane. Why is th

1. Explain the process of DNA replication in eukaryotic cells. Include all enzymes involved in the process and their roles. 2. a) Describe the structure of the plasma membrane. Why is the plasma membrane referred to as fluid mosaic? b) Discuss ALL of the various ways that materials can move through cell membranes to the […]

If I was interested in testing your sterile technique I may ask you to setup two culture plates for me in the biological safety cabinet using your BEST sterile technique. One with just D

If I was interested in testing your sterile technique I may ask you to setup two culture plates for me in the biological safety cabinet using your BEST sterile technique. One with just DMEM (the media we use to culture our cells), and one with antibiotics (like penicillin and streptomycin). Then as a positive control […]

For each of the following, determine whether it is simple diffusion, active transport, or facilitated diffusion The Na+K+ pump (which ion goes which way? “I’m soooo out of here”) Can m

For each of the following, determine whether it is simple diffusion, active transport, or facilitated diffusion The Na+K+ pump (which ion goes which way? “I’m soooo out of here”) Can move large amounts of materials stored in vesicles and vacuole Can move large molecules Uses energy stored in ATP and requires a protein Moves items […]

About Nerve Cells answer: What type of cell the is Nerve Cell? What type of organism is the cell found in? Where in the organism is the cell found? What is its function or duty? How does

About Nerve Cells answer: What type of cell the is Nerve Cell? What type of organism is the cell found in? Where in the organism is the cell found? What is its function or duty? How does it contribute to the ability of the organism to maintain homeostasis? Describe the cell’s characteristics. Are there organelles? […]

A student observed a specimen from the root of a common plant. He used five different fields of view. He observed that there were 74 cells in interphase, 19 cells in prophase, 16 cells i

A student observed a specimen from the root of a common plant. He used five different fields of view. He observed that there were 74 cells in interphase, 19 cells in prophase, 16 cells in metaphase, 12 cells in anaphase, and 15 cells in telophase. He also observed that the total time of the cell […]

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