Vocabulary - Plasma Membrane
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The document is a vocabulary worksheet about plasma membrane terms for a biology class. It contains 10 terms related to cellular transport and solutions, including active transport, endocytosis, exocytosis, facilitated diffusion, homeostasis, hydrophobic, hydrophilic, hypertonic, hypotonic, isotonic, passive transport, plasma membrane, and simple diffusion. Students are asked to match each term with its proper definition from options in a word bank.
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3. The ability of the membrane to allow some substances to pass through but not others is termed
______________ _____________________.
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material to an area of ________ concentration.
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6. Polar/Nonpolar (circle one) molecules like ions diffuse through protein channels. This type of
diffusion is called ___________________________.
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_____________ concentration of solutes. Water is transported across the membrane through
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2. The structure of the cell membrane is described as a
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5. Polar /Nonpolar (circle one) molecules like oxygen and carbon dioxide are able to diffuse
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6. Polar/Nonpolar (circle one) molecules like ions diffuse through protein channels. This type of
diffusion is called ___________________________.
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_____________ concentration of solutes. Water is transported across the membrane through
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8. When comparing the concentration of solutes of two areas, like inside and outside the cell,
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Homeostasis allows living things to maintain a stable internal environment despite external changes. Feedback mechanisms help regulate homeostasis through cycles where one reaction causes another to start or stop. All living things carry out the same basic chemical processes collectively called metabolism, which includes functions like respiration, synthesis, transport, and excretion. Photosynthesis and cellular respiration are opposite but interconnected reactions that cycle important molecules like oxygen, carbon, and water through environments.Quiz praktikum
Quiz praktikumZahratul Miska
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The urinary system consists of the kidneys, ureters, bladder, and urethra. The kidneys filter blood to produce urine and are located retroperitoneally in the upper abdomen. Each kidney contains nephrons, the functional filtering units, which are made up of a glomerulus for blood filtration and a tubule for reabsorption and secretion. Urine is produced as it passes through the nephron and is carried from the kidneys by the ureters to the bladder for storage and then expelled through the urethra. Hormones regulate fluid and electrolyte balance to maintain homeostasis.More from kpolson (13)
Inheritance
Inheritancekpolson
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The document is a worksheet about inheritance and genetics. It contains multiple choice and short answer questions about key genetics concepts like dominant and recessive traits, inherited vs acquired traits, Gregor Mendel's experiments with pea plants, genetics as a field of biology, heredity, and definitions of terms like homozygous, heterozygous, and allele. The questions assess a student's understanding of fundamental principles of heredity and genetics.Inherited? Yes or No
Inherited? Yes or Nokpolson
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The document is a biology worksheet from Mrs. Polson's class asking students to circle whether 14 different traits are acquired or inherited. The traits include physical attributes like height, eye color, and skin color; skills like using a computer, driving a car, reading, playing guitar, and hitting a baseball; and characteristics like blood type, nose shape, speaking French, pierced ears, and freckles. Students are to circle for each trait whether it is acquired through learning/experience or inherited genetically from one's parents.Catalyst Worksheet
Catalyst Worksheetkpolson
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This document contains a list of 11 questions about catalysts and enzymes for a Biology I class. The questions cover topics such as the definition of a catalyst, what enzymes are, how they allow reactions to happen faster by lowering activation energy, and that enzymes are not used up in reactions but have specific active sites that interact with substrate molecules.Plasma Membrane Artistic Rendering
Plasma Membrane Artistic Renderingkpolson
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This document provides instructions for an art project to creatively depict the plasma membrane. Students are asked to design an original work of art using any medium that includes at minimum cholesterol, lipids, proteins, sugar chains, and the identification of hydrophilic and hydrophobic regions. The project is due at the beginning of the next class period and will be shared, with students explaining their creative process.C:\Users\Kerry\Desktop\Career Switcher\Enzymes\Superhero Flip Book Activity
C:\Users\Kerry\Desktop\Career Switcher\Enzymes\Superhero Flip Book Activitykpolson
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1) Students will work in groups to create a flip book depicting the lock and key model of enzyme action using cartoon characters.
2) They will develop a storyline where one character represents an enzyme and another its substrate undergoing the specific interactions described in the model.
3) Students will then draw the story across 15 note cards, which when flipped will animate the enzyme-catalyzed reaction.Plasma Membrane
Plasma Membranekpolson
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The plasma membrane acts as a gatekeeper that regulates what enters and exits the cell. It uses both passive and active transport. Passive transport relies on diffusion and moves substances along concentration gradients, while active transport requires energy and can move substances against concentration gradients using mechanisms like the sodium-potassium pump. The plasma membrane is a lipid bilayer with embedded proteins that gives cells structure and allows for selective permeability and transport of molecules in and out of the cell.Laboratory Report Rubric
Laboratory Report Rubrickpolson
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This laboratory report evaluates a student's work on a science experiment based on several criteria on a scale of 1 to 4. The student received a 3 in most categories, meeting standards with some strengths. This indicates the student's work distinguished key variables, contained appropriate experimental methods and identified measurement tools. The student also analyzed sources of error and organized data appropriately, though some areas like citations and experimental detail could be improved. Overall, the report suggests the student's work adequately met standards for the assignment.Frog Dissection Ppt
Frog Dissection Pptkpolson
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This document provides information about frog anatomy and dissection from a biology lab. It describes some key facts about frogs such as their classification as amphibians and life cycle. It also outlines some benefits frogs provide to humans, including compounds used in antibiotics and potential treatments derived from their ability to regrow limbs. The document concludes by listing safety procedures and materials needed for the frog dissection lab.Genetic Terms Activity
Genetic Terms Activitykpolson
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This document provides genetic terms and definitions for students to complete. It includes key terms like allele, genes, dominant, recessive, homozygous, heterozygous, genotype, and phenotype. Students are asked to look up definitions for each term, rewrite them in their own words, and provide an example of how the term may be used.Mendelian Traits Activity
Mendelian Traits Activitykpolson
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The document provides a chart for students to determine their phenotypes and possible genotypes for various human Mendelian traits such as tongue rolling, freckles, widow's peak, and earlobe type. Students are asked to complete Punnett squares using their own genotypes and another person's for traits like freckles, tongue rolling, dimples, and widow's peak to identify possible offspring phenotypes and their probabilities. The document examines inheritance of common human traits through Mendelian genetics.Punnett Square Worksheet
Punnett Square Worksheetkpolson
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This document provides instructions and examples for completing Punnett square worksheets involving monohybrid crosses. Students are asked to draw Punnett squares, list the genotype and phenotype ratios, and describe the offspring for various cross examples, including: 1) A green pea plant crossed with a yellow pea plant, 2) A tall plant crossed with a tall plant, and 3) A tall plant crossed with a short plant. Additional problems involve crosses between mice, rabbits, and plants where dominant and recessive traits are identified.Enzymes Worksheet
Enzymes Worksheetkpolson
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This document contains an enzyme homework assignment with 4 questions. Question 1 asks students to label parts of an enzyme diagram including the active site, enzyme, product, and substrate. Question 2 asks students to identify true or false statements about enzymes, including that they interact with specific substrates and speed up reactions. Question 3 asks students to identify if changing certain conditions like temperature or pH will increase, decrease, or not change the reaction rate. Question 4 asks students to identify factors that would increase the reaction rate such as adding more enzyme or adjusting pH.Enzymes 
Enzymes kpolson
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Enzymes speed up chemical reactions in cells by lowering the activation energy needed for reactions to occur. They are protein catalysts that are highly specific to their substrate. The induced fit theory updated the lock and key concept of enzyme-substrate binding by proposing that enzymes change shape upon substrate binding to stabilize the transition state of the reaction. Factors like pH, temperature, and enzyme denaturation can affect enzyme activity levels.Recently uploaded (20)
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Vocabulary - Plasma Membrane
- 1. Plasma Membrane Vocabulary Ms. Polson - Biology Name: _________________________________________ Date: _________________________ Period: _________________________ Please select a word from the word bank and match it with its proper definition. Each word will be used only once. Not all words will be used. 1. ________________________The movement of material out of a cell in which the material within the cell is enclosed in a membrane-bound sac that moves to the plasma membrane and unites with it. Releasing the material outside of the cell. 2. _______________________The movement of materials across a membrane through the use of cellular energy. Usually across a concentration gradient. 3. ________________________Literally means water-fearing. Refers to a substance that does not dissolve in water, such as oil and other lipids. 4. ______________________ Movement of materials across a membrane without the use of energy. Usually moves from an area of high concentration to an area of lower concentration. 5. _______________________ The result of inherent kinetic energy; requiring no energy. 6. ________________________ Refers to a solution having a higher concentration of dissolved particles than the cytoplasm of a cell. (Usually causes water to move out of a cell into the solution) 7. ________________________ Refers to a solution that has the same concentration as the cytoplasm of a cell. 8. ________________________ The movement of material into the cell in which the plasma membrane engulfs extracellular material (material from outside of the cell), forming a membrane bound sac that enters the cytoplasm. 9. ________________________ Literally meaning water-loving. Refers to a substance that dissolves readily in water, or to parts of a large molecule which forms weak hydrogen bonds with water. 10. ________________________ A stable internal environment of an organism. Word Bank: active transport hydrophobic endocytosis hypertonic Exocytosis hypotonic facilitated diffusion isotonic homeostasis passive transport hydrophilic plasma membrane