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PODCAST

BioTime

Christopher Jang

Welcome to BioTime, a place for you to discover how our complex world works. From biology and chemistry crash courses to interviews with scientific researchers at the forefront of their field, this podcast hopes to help you not only learn more about the complexities of life but also gain an appreciation for the sciences. This podcast is hosted by Christopher Jang.

science life sciences

All Episodes

00:18:05

Active and Passive Transport

BioTime ·

2023/01/20

Our cells are very complicated and require and require many different enzymes, proteins, ions, and more in order to function properly. They need all of these different biological necessities to be at the right place and at the right time. How do our cells have so much control over all of these necessities? The answer lies in active and passive transport. This podcast dives into how active and passive transport work along with examples.

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00:07:13

Multiple Alleles, Incomplete Dominance, and Codominance

BioTime ·

2023/01/06

Mendelian principles have served as a gateway into the functions of how our genetic information is passed on. Over time, we have discovered principles beyond mendelian genetics. In this episode, we review multiple alleles, incomplete dominance, and codominance. We discuss how they function and the examples of each form on inheritance.If you have any questions, feel free to send them to https://anchor.fm/christopher-jang/message or https://2255christopher.wixsite.com/biotime/questions

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00:12:03

Cell Communication

BioTime ·

2022/12/28

Our cells are constantly sending messages to each other through a complex network of signaling molecules. In today's podcast, we will explore paracrine signaling, autocrine signaling, endocrine signaling, and direct contact in depth along with examples of each.

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00:08:11

Law of Segregation

BioTime ·

2022/12/11

In the 1860s, famous scientist Gregor Mendel explored the laws that governed genetics and devised the Law of Segregation. This law is crucial to our understanding of genetics today. In this episode, we dive into the details of how Mendel made this revolutionary discovery and go into depth on the Law of Segregation.

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00:08:11

Mendel's Experiment

BioTime ·

2022/11/24

In 1865, Gregor Mendel conducted an experiment on pea plants that transformed our understanding of genetics. In this podcast, we will explore how he conducted his experiment and what he discovered.

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00:18:22

Endoplasmic Reticulum

BioTime ·

2022/11/02

In this podcast, a major organelle of the Endomembrane system is discussed, the Endoplasmic Reticulum. The episode opens with a discussion on the ER as a whole and then goes into detail on the structure and function of the ER's two counterparts, the smooth and rough ER. If you have any questions, feel free to send them to https://anchor.fm/christopher-jang/message or https://2255christopher.wixsite.com/biotime/questions

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00:16:33

Preserving Variation in a Population

BioTime ·

2022/10/24

When we look at a species, oftentimes we notice that they do not all look exactly the same. Perhaps the color of their fur differs or the length of their legs varies. This variation is natural and is essential for survival. In this episode, we explore how this variation can be preserved in order to maintain a healthy population. The six mechanisms we discuss are balanced polymorphism, sexual reproduction, outbreeding, diploidy, heterozygote advantage, and frequency dependant selection.

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00:17:16

Cell Cycle Regulation

BioTime ·

2022/10/09

Cell cycle regulation helps our cells control when they want to divide and when they do not. In this episode, we dive into cyclins, cyclin-dependant kinases, mautration-promoting factors, platelet-derived growth factors, and p53.

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00:15:10

Mutations

BioTime ·

2022/09/25

Mutations are essential to the survival of organisms. It drives evolution, creating diversity. But, it also has its consequences. In this episode, we explore the benefits of mutations but also their pitfalls. We discuss gene mutations, chromosomal mutations, insertions, deletions, point mutations, and diseases caused by mutations.

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00:12:37

The 3-Domain Classification System

BioTime ·

2022/09/11

With countless organisms roaming the Earth, it is important to have a system to classify them all. The 3-Domain Classification System is a way to sort organisms into 3 categories: bacteria, archaea, and eukarya. In this episode, we explore each of these classfications and the criteria each requires.

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00:06:28

Inhibition of Enzymatic Reactions

BioTime ·

2022/08/21

Enzymes play a large role in enzymatic reactions so being able to control them is essential. In this podcast, we explore competitive inhibition, noncompetitive inhibition, and cofactors and how they affect enzymes.

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00:16:35

Eukaryotes vs. Prokaryotes

BioTime ·

2022/08/05

What are the differences between Eukaryotes and Prokaryotes? This episode begins by discussing the essential components that all cells need and then transitions into in-depth explanations on Prokaryotes and Eukaryotes. The episode closes with a comparison between the two cell types. If you have any questions, feel free to send them to https://anchor.fm/christopher-jang/message or https://2255christopher.wixsite.com/biotime/questions

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00:12:08

Community Ecology

BioTime ·

2022/07/26

Community Ecology is the discussion of all of the interactions between organisms in a community. Today, we will be going into depth on the 5 categories of community ecology: competition, predation, herbivory, symbiosis, and facilitation.

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00:16:42

Biotechnology's Tools and Techniques

BioTime ·

2022/06/23

The world of science is advancing faster than ever, especially in biotechnology. With scientists pushing through the frontier, many innovations are being made and it is important to keep up. In today's episode, we will be discussing CRISPR, Polymerase Chain Reactions, Restriction Enzymes, Gel Electrophoresis, and DNA probes. Additionally, we will also be discussing the ethics involved in the biotech industry.

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00:15:20

Atomic Structure and Properties of Water

BioTime ·

2022/06/03

Water is essential to life on Earth. Without it, no life as we know it would exist today. Water has many essential properties that allow for it to sustain life on this Earth and this podcast goes into detail on the 5 major properties: high specific heat, high heat of vaporization, universal solvent, strong cohesion tension, and ice is less dense than water. We will also be discussing atomic structure and types of bonds in order to better understand the properties of water.

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00:10:07

Environmental Impacts on Enzymes

BioTime ·

2022/01/08

This podcast reviews environmental impacts on enzymes topic 3.3. Enzymes are incredibly important as they are what allow our bodies to complete the required reactions and keep us alive! We will be discussing denaturation and the three major environmental impacts on enzymes which are temperature, pH, and concentration of substrates and inhibitors.

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00:17:07

Macromolecules

BioTime ·

2021/09/17

One of the basic components that support life are macromolecules with the four being carbohydrates, lipids, proteins, and nucleic acids. This podcast dives into the structure, function, and application of all of these macromolecules. In addition, we will also be discussing dehydration synthesis, hydrolysis, monomers, and polymers in order to have essential background information to understand macromolecules.

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00:06:40

Darwin's Theory of Natural Selection

BioTime ·

2021/07/31

Darwin's Theory of Natural Selection has served as a basis to this day for the reasoning behind evolution. It has assisted us to answer our largest questions concerning how and why species look the way they do. In this episode, we explore Darwin's voyage on the HMS Beagle, the five major points on his theory of natural selection, and Lamarck's views on evolution and why they are incorrect.

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00:10:18

Causes of Evolution

BioTime ·

2021/06/09

Every living organism you have ever seen has been the result of evolution. If we were to look back on humans millions of years ago, we would have looked drastically different compared to how we look today. In this episode, we discuss the five main factors that contribute to evolution: Genetic drift, gene flow, mutations, non-random mating, and natural selection. We explore the effects each factor and examples of how they allow a population to undergo evolution.

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00:12:02

Griffith, Avery, and Hershey Chase Experiments

BioTime ·

2021/02/22

The road to discovering the genetic material of cells, DNA, was a long journey. In this episode, we explore the three experiments that led to this discovery: The Griffith experiment, The Avery–MacLeod–McCarty experiment, and the Hershey Chase experiment. If you have any questions, feel free to send them to https://anchor.fm/christopher-jang/message or https://2255christopher.wixsite.com/biotime/questions

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44 results

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