Stay ConnectedThe APsolute RecAP: Biology Edition, written and hosted by Melanie Kingett, will be your guide to scoring the five! The APsolute RecAP is designed to maximize your understanding and minimize your need for memorization. Each episode will review content, skills and test taking tips to help you succeed in May.
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Copyright: © 2023 The APsolute RecAP, LLC
Episode 55 recAPs the gummy bear experiment with potassium chloride - combustion! Combustion reactions are one subclass of oxidation-reduction reactions, or redox reactions for short. (1:00) Why aren’t our cells bursting into flames during cellular respiration?(4:08) Glucose is gradually oxidized through several steps during the process of glycolysis, pyruvate oxidation and the Krebs cycle (5:37).
The Question of the Day asks (8:03) Glucose is oxidized, what molecule is reduced in cellular respiration?
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It's important that cell membranes establish and maintain their internal environments through selective permeability.(1:40) There are three main types of active transport - membrane pumps,(2:45) endocytosis (5:37) and exocytosis.(6:30)
The Question of the Day asks (8:10) How is a cotransporter classified that moves molecules in opposite directions?
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Episode 53 brings biology, physics and chemistry all together to answer this age old question - why did the fart cross the room? Melanie begins by recapping the fluid mosaic model and kinetic energy (2:19). To get across the plasma membrane without the use of energy there are two options - sneak in between the phospholipids themselves (3:40) or use a transport protein (6:50). It's true - whoever smelt it most likely dealt it as solutes diffuse from high to low concentration.
The Question of the Day asks (9:08) Describe the cellular condition of a red blood cell placed in a hypertonic solution.
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The movement of materials through the endomembrane system is consistent through all eukaryotic cells. The episode begins with a wording deep dive (1:12) before some molecular story time (2:25). The endomembrane system includes the nuclear envelope, lysosomes, vesicles, endoplasmic reticulum, Golgi apparatus and plasma membrane (4:16). Melanie concludes the episode with unit and exam connections (5:50).
The Question of the Day asks (7:00) What is the internal space of the folded Golgi cisternae called?
Thank you for listening to The APsolute RecAP: Biology Edition!
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Remember when Pluto was a planet? Scientists continually restructure their way of thinking as they obtain more data. Taxonomy is the science of naming organisms while phylogeny groups them based on evolutionary relationships (1:16). King Phillip wasn’t always so dull, but as microscopic life was discovered, the manner of classifying and sorting organisms needed updating (2:38). Primary differences between domains and kingdoms are cell type, DNA organization, organelles, energy acquisition and cell wall composition (3:15). The episode wraps up with unit connections and exam expectations (6:44).
The Question of the Day asks (7:45) Amoebas use pseudopods for motility and ingestion. What cellular structure forms the temporary pseudopods?
Thank you for listening to The APsolute RecAP: Biology Edition!
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All living things are categorized into one of two cell types: prokaryotes and eukaryotes. Melanie begins Episode 50 with a nerdy word dive (1:13) before distinguishing between prokaryotic and eukaryotic cells (2:04). Settle in for endosymbiosis story time!(5:02) The episode wraps up with unit connections and exam expectations (6:42).
The Question of the Day asks (7:58) The liver has many functions, one of which is to process alcohol and detoxify the blood. Which organelle would you expect to find in greater quantity within liver cells?
Thank you for listening to The APsolute RecAP: Biology Edition!
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Episode 49 recaps these very diverse group of hydrophobic, nonpolar molecules. Although all containing the elements C, H and O (1:10), lipids are categorized into distinct groups: fats (2:00), waxes (4:00), phospholipids (4:40) and steroids (5:48). Can you distinguish between a saturated and unsaturated fatty acid chain? Melanie wraps up the episode with Unit Connections and describes several exam exclusions (6:08).
The Question of the Day asks (7:20) Besides lipids, what other group of biological molecules forms hormones?
Thank you for listening to The APsolute RecAP: Biology Edition!
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Formed by autotrophs and disassembled by nearly all living things - carbohydrates are the primary source of chemical energy for the cell. The elements carbon, hydrogen and oxygen are generally found in a 1:2:1 ratio in a carbohydrate (1:00). Carbohydrates primary function is to serve as a cellular fuel as monosaccharides (1:30) and disaccharides (2:46) whereas polysaccharides provide energy storage and structural support (3:38). It is important for organisms to have an appropriate amount of glucose available for cellular respiration (4:00).
The Question of the Day asks (6:19) When a glucose ring has the hydroxyl group on the same side as the CH2OH, it is in this form.
Thank you for listening to The APsolute RecAP: Biology Edition!
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While the traditional health food pyramid has really gone out the window, there is little argument that lean proteins are essential to a balanced diet. Proteins were almost crowned king of the biological molecules during the quest for heredity (1:06). Their diversity in structure is the greatest of all the biological molecules (2:35) with four levels as it bends and folds in upon itself (4:22). Proteins have a variety of functions, such as support, transport, recognition, movement, and communication (5:15).
The Question of the Day asks (8:02) How many stop codons are there?
Thank you for listening to The APsolute RecAP: Biology Edition!
(AP is a registered trademark of the College Board and is not affiliated with The APsolute RecAP. Copyright 2020 - The APsolute RecAP, LLC. All rights reserved.)
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Biology returns with Season 2! Thank you for helping us reach 31,000 downloads. Make sure to check out our website for more courses, episode study guides, virtual classrooms and tutoring (1:00). Support your favorite podcast and rock a nerdy t-shirt with our newly launched merch! (2:20) You can expect season two to take a deeper dive into cross-unit topics and integrate FRQ practice. (2:50)
The Question of the Day asks (3:23) When is the 2021 AP Biology exam?
Thank you for listening to The APsolute RecAP: Biology Edition!
(AP is a registered trademark of the College Board and is not affiliated with The APsolute RecAP. Copyright 2020 - The APsolute RecAP, LLC. All rights reserved.)
Website:
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