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
Evolution doesn’t have goals or dated deadlines, but simply responds to environmental change. Seen through continual changes in genotypic frequencies (1:09), the fossil record (2:01) and antibiotic resistance (4:26) - evolution isn’t about the destination, but the pathway of change.
The Question of the Day asks (7:45) N,N-diethyl-meta-toluamide is an insect repellent developed by the US Army in 1946. What is it commonly known as?
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Everything is connected and the evidence is overwhelming. You are in the Domain Eukarya, Kingdom animalia – but the common ancestor of all eukaryotes was the OG with membrane bound organelles (1:02), linear chromosomes (2:47) and genes that contain introns(4:51). Each piece of structural and process evidence on the molecular and cellular level supports the common ancestry of all eukaryotes.
The Question of the Day asks (7:25) Collectively, what is a stack of thylakoids called?
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Join Melanie on a 5K in episode 73. Phylogeny studies the evolutionary history amongst groups of organisms. It tells the story of relatedness, the branches in the road. (1:37). Be careful - just because two organisms are physically adjacent on a diagram, does not mean they are more closely related (4:05). The episode concludes with unit connections and exam tips (5:34).
The Question of the Day asks (6:50) Ernst Haeckel coined the phrase “ontogeny recapitulates phylogeny.” What is ontogeny?
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It is not practical to perform a Punnett square analysis on all possible combinations of all members of a population (1:24). Enter the Hardy-Weinberg equation! The Hardy-Weinberg equation is a tool biologists use not only to make predictions about a population but also to show whether or not the population is evolving. There are 5 conditions that must be met for this to be true. (2:14) Melanie break’s down the H-W equation variables and walks you through an example problem. (5:25)
The Question of the Day asks (7:25) What type of genetic drift occurs when a small group of individuals gets separated from a large population?
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 2021 - The APsolute RecAP, LLC. All rights reserved.)
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Search for signs of life in Episode 71. Do you know the primordial soup recipe? (1:05) Melanie recaps the when (1:46) and how (2:38) life may have begun. Scientists have gathered evidence and created models to describe their thinking (4:29).
The Question of the Day asks (7:35) T/F - The first organisms on earth were likely anerobic.
Thank you for listening to The APsolute RecAP: Biology Edition!
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You have enough DNA in your body to stretch to the sun and back over sixty times. And your cells need to copy it all! Episode 70 recaps the primary enzymes in DNA replication: topoisomerase (3:53), helicase (4:24), DNA polymerase (5:11), and ligase (6:11).
The Question of the Day asks (7:36) When comparing pentose sugars, on which carbon does ribose have a hydroxyl group where deoxyribose does not?
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 2021 - The APsolute RecAP, LLC. All rights reserved.)
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Melanie gets poetic in Episode 69. Roses are red, violets are blue. If a promoter is blocked this may be untrue. Make sure to appropriately distinguish between genes and alleles (1:59). Gene expression occurs at many levels, all of which are essential in producing an organism’s phenotype (3:03). The episode concludes with a recap of the Lac Operon - everyone’s favorite bacterial gene expression example (6:17).
The Question of the Day asks (8:31) In the Lac Operon, is the promoter upstream or downstream from the operator?
Thank you for listening to The APsolute RecAP: Biology Edition!
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Episode 68 explores how does the structure of DNA influence the process of replication and transcription. Beginning with cell cycle placement (1:20), Melanie then distinguishes between quantity of synthesis (2:21). Zoom in further to draw 5’ to 3’ on a nucleotide (3:12). Lastly, the episode contrasts enzymes, cell types and Chargaff’s rules (5:55).
The Question of the Day asks (10:10) Which nitrogenous bases are classified as purines?
Thank you for listening to The APsolute RecAP: Biology Edition!
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UGA and listen to Episode 67! Translation - it's kind of like riding a bike. Once you learn how, you never forget. This episode is all about codons - what they are (1:13), where they come from (2:08), how to read them, and what happens if there's a mistake (5:18).
The Question of the Day asks (8:08) What is the greatest number of codons that give the same amino acid?
Thank you for listening to The APsolute RecAP: Biology Edition!
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Episode 66 is going to make all your puppy dreams come true! Beginning with a word nerd moment before completing a Labrador dihybrid cross (1:15). Epistatic interactions don’t always have to be in opposition, as explained in a wheat color dihybrid cross (5:07). Melanie concludes with unit and exam connections (6:13).
The Question of the Day asks (7:08) What famous mouse study connects epigenetics, diet and obesity?
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 2021 - The APsolute RecAP, LLC. All rights reserved.)
Website:
EMAIL:
TheAPsoluteRecAP@gmail.com
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