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Microbiology

07/30/25

What is the primary difference between Gram-positive and Gram-negative bacteria?

The primary difference lies in their cell wall structure. Gram-positive bacteria have a thick peptidoglycan layer that retains the crystal violet stain, appearing purple under a microscope.... more

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Microbiology Biology Biochemistry

05/04/25

Do you want to know the differences between Mitosis and Meiosis?

Mitosis produces two genetically identical “daughter” cells from a single “parent” cell, whereas meiosis produces cells that are genetically unique from the parent and contain only half as much... more

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Microbiology Pharmacology

05/02/25

Microbiology and Staphylococcal RNA/DNA viruses and Rote Memorization Got you Down?

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Microbiology

04/29/25

what is C. diff and why is it a concern when you overuse or misuse antibiotics? How does the bacteria germinate and cause infection when antibiotics "wipes out" your normal flora?

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Microbiology

04/29/25

what are the Koch's postulates and what potential problem does this give? How are the problems modified in the modern era?

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Microbiology

04/21/25

What are H and N in influenza and what role or function do the H and the N subunits play?

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Microbiology

04/01/25

What is the role of the microbiome in human health and disease?

The human microbiome, consisting of trillions of microorganisms (bacteria, viruses, fungi, and archaea) living in and on the body, plays a crucial role in maintaining health. It helps digest food,... more

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Microbiology

04/01/25

What are the mechanisms of bacterial pathogenesis and how do bacteria evade the host immune response?

Bacterial pathogenesis involves several mechanisms that allow bacteria to infect and damage host tissues. These include the secretion of toxins, enzymes that break down host tissues, and the... more

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Microbiology Pharmacology

04/01/25

How do bacterial biofilms contribute to antibiotic resistance?

Bacterial biofilms are dense clusters of bacteria encased in a self-produced extracellular matrix. These biofilms make bacteria more resistant to antibiotics by preventing drug penetration and... more

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Microbiology Biology

04/01/25

What is the role of mitochondria in apoptosis and how does this process contribute to homeostasis?

Mitochondria play a central role in apoptosis, or programmed cell death. In response to internal or external signals, the mitochondrial membrane becomes permeable, releasing pro-apoptotic proteins... more

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Microbiology Biology

11/17/24

Is the mitochondria the power-house of the cell?

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Microbiology

11/13/24

Which of the following bacterial groups would you expect to have superoxide dismutase and catalase?

Which of the following bacterial groups would you expect to have superoxide dismutase and catalase?a. Obligate aerobesb, Obligate anaerobesc. Facultative anaerobesd. Aerotolerant anaerobee.... more

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Microbiology

07/05/24

Eukaryotic Organism

A biology riddle: What type of person do you want to invite to your party?A Fungi (FUN GUY)

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Microbiology

05/17/24

bacteriology question

what are the differences between gram-positive and gram-negative bacteria?

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Microbiology Biochemistry

04/16/24

Could microwave popcorn cause cancer?

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Microbiology Biology Chemistry Biochemistry

04/10/24

Dilutions in an assay

HelloI'm confused on why we have to dilute our samples? like what is the purpose other than making sure its in the range of a spectrometer? How do dilutions help us find the concentration of... more

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Microbiology Math Biology Statistics

02/21/24

i'm stuck trying to figure out how to do the statistical test for my biology experiment

So I'm trying to see the effect of 2 different types of essential oils (rosemary and ginger) on e.coli. What I did was that I increased the concentrations of the oils and I used the disk diffusion... more

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Microbiology Biology Statistics Biostatistics

02/18/24

i'm doing a study as a high schooler trying to see the effect of 2 different types of essential oils on e.coli. i'm kind of stuck not knowing which statistical tests are most appropriate.

What I did was that I increased the concentrations of the oils from 10% to 20%, 30%, 40%, and 50%. I used the disk diffusion tests and measured the inhibition zones formed. I also had a positive... more

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Microbiology Math Biology

02/16/24

I want aqueous extracts of these, how to get?

i want diff concentrations of water extracts for thrmeric & garlic. i put examples in pics but i need a step by step procedure because idk which pne to follow. like if it's a paste instead of... more

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Microbiology Science Biology Botany

01/06/24

Make a Cladogram

Make a cladogram for these flowers: Thunbergia erecta, Plumbago auriculata, Hibiscus rosa-sinensis, Camellia japonica 'Elegans', Catharanthus roseus, Ixora coccinea 'Peach Delight', Spathiphyllum... more

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Microbiology Biology Biochemistry Physiology

01/02/24

What is the rate-limiting enzyme in glycolysis? Does an incease in glycolysis lead to an increase or decrease in the overall glucose metabolism?

What is the rate-limiting enzyme in glycolysis and does an increase in glycolysis lead to an increase or decrease in the overall glucose metabolism? A. Phosphoglucose Isomerase, DecreaseB.... more

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Microbiology Biology Statistics

12/26/23

what are all the statistical tests i can do for such data?

i did an experiment testing out the inhibitory effect of 3 oils on a strain of bacteria to investigate their effectiveness. what are all the statistical tests i can run on the data now? i also did... more

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Microbiology Science Biology

12/12/23

How to make transgenic mice in neurons?

I am confused and curious about the process of making transgenic mice. Can anyone explain and describe in-depth each step of the process one would use to make a transgenic mouse that expresses GFP... more

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Microbiology Biology

12/03/23

microbiology question

You work in a laboratory that aims to synthesize a coronavirus vaccine. Unlike current mRNA vaccines, your vaccine would consist of purified components of coronavirus that generate antibody... more

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Microbiology Biology Chemistry Psychology

11/22/23

Future Dentists: Do you need help with your application and/or mock interview preparation?

Hi!My name is Adrianna and I am in my last few months of dental school and I have spent the last four years mentoring pre-dental students from all walks of life. I am happy to help with personal... more

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Answers •1

What is the primary difference between Gram-positive and Gram-negative bacteria?

Do you want to know the differences between Mitosis and Meiosis?

Microbiology and Staphylococcal RNA/DNA viruses and Rote Memorization Got you Down?

what is C. diff and why is it a concern when you overuse or misuse antibiotics? How does the bacteria germinate and cause infection when antibiotics "wipes out" your normal flora?

what are the Koch's postulates and what potential problem does this give? How are the problems modified in the modern era?

What are H and N in influenza and what role or function do the H and the N subunits play?

What is the role of the microbiome in human health and disease?

What are the mechanisms of bacterial pathogenesis and how do bacteria evade the host immune response?

How do bacterial biofilms contribute to antibiotic resistance?

What is the role of mitochondria in apoptosis and how does this process contribute to homeostasis?

Is the mitochondria the power-house of the cell?

Which of the following bacterial groups would you expect to have superoxide dismutase and catalase?

Eukaryotic Organism

bacteriology question

Could microwave popcorn cause cancer?

Dilutions in an assay

i'm stuck trying to figure out how to do the statistical test for my biology experiment

i'm doing a study as a high schooler trying to see the effect of 2 different types of essential oils on e.coli. i'm kind of stuck not knowing which statistical tests are most appropriate.

I want aqueous extracts of these, how to get?

Make a Cladogram

What is the rate-limiting enzyme in glycolysis? Does an incease in glycolysis lead to an increase or decrease in the overall glucose metabolism?

what are all the statistical tests i can do for such data?

How to make transgenic mice in neurons?

microbiology question

Future Dentists: Do you need help with your application and/or mock interview preparation?

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