Cell Biology

Match the labelled synapse structure with the correct structure or function. Place the correct numbe

Match the labelled synapse structure with the correct structure or function. Place the correct numbe

Question 1. Match the labelled synapse structure with the correct structure or function. Place the correct number in each blank. Use each answer only once.

receptor site for the neurotransmitter (dendrite)

neurotransmitter relea

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salaacarterr   9618   22 Replies

bio_man

There are 20100 different possible sequence combinations for a protein chain with 100 amino acids. ...

There are 20100 different possible sequence combinations for a protein chain with 100 amino acids. ...

There are 20100 different possible sequence combinations for a protein chain with 100 amino acids. In addition to the amino acid sequence of the protein, what other factors increase the potential for diversity in these macromolecules?
 
 

paw2323   393   3 Replies

Usmo

Hepatitis C Virus vaccine manufacturing.

Hepatitis C Virus vaccine manufacturing.

https://en.wikipedia.org/wiki/Hepatitis_C_virus

Will it be challenging to manufacture Hepatitis C Virus vaccine ?

Thanks & Regards,
Prashant S Akerkar

Post Merge: 4 months ago[/fields

prashantakerkar   1091   N/A

prashantakerkar

Can you identify the banding patterns predicted by each model after the first round of replication?

Can you identify the banding patterns predicted by each model after the first round of replication?

Part B - Experimental results: Banding pattern predictions for each model of replication
Meselson and Stahl designed an experiment that would allow them to discern whether DNA replication occurs in a dispersive, semiconservative, or conservative

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bdelgado26   82968   33 Replies

Monkey3

Comparing the extracellular environments of plants and animals

Comparing the extracellular environments of plants and animals

The cellular organization and extracellular environments of plants and animals are very different.
Drag the labels to their appropriate locations in the table below. Use only pink labels for the pink targets. Labels may be used more than once.

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kbertoldo7   49854   22 Replies

Peke j

Mould and Tibetan mushroom

Mould and Tibetan mushroom

Hi
I made kefir from Tibetan mushroom grains. I have something strange on the top of kefir. I dont know what is it. Could it be mould? It appeared after one day.

rkm   205   1 Reply

bio_man

Help with iPSC

Help with iPSC

Hello everyone!

I am culturing iPSC and I am quite new at this. The cells are behaving a bit weird and the people in my lab that are experienced with them are on holidays right now and I don't know who to ask. There is this weird dark

salon   209   2 Replies

Anonymous

1st Ig isotype produced during cource of 1° imm.response has which heavy chain?

1st Ig isotype produced during cource of 1° imm.response has which heavy chain?

A.   γ
B.   κ
C.   δ
D.   μ
E.   None of the above

evan888   463   1 Reply

bolbol

Under conditions of limited nitrogen, transcription in E.Coli will include which

Under conditions of limited nitrogen, transcription in E.Coli will include which

Under conditions of limited nitrogen, transcription in E.Coli will include which of the following sigma factors binding the polymerase holoenzyme complex?

A) Sigma 54

B) Sigma 70

C) Sigma 32

D) Sigma 34

randompubes   938   1 Reply

bolbol

Of the following electron carriers of the electron transport system, which transfers protons in addi

Of the following electron carriers of the electron transport system, which transfers protons in addi

Of the following electron carriers of the electron transport system, which transfers protons in addition to electrons? 
A) cytochrome a 
B) cytochrome b 
C) coenzyme Q 
D) iron-sulfur proteins 
E

Astatine   1552   2 Replies

Jonathan moore1

Fungi helpppp please

Fungi helpppp please

Hi guys, I’ve got an exam and we’ve been given this beforehand. What kinda question do you think will be asked since I don’t know anything about it.

Excerpt

Screening crop pathogenic fungi for mycoviruses

Anonymous   294   2 Replies

bio_man

Someone help with these questions

Someone help with these questions

I’ve been given these images, but I am not sure what kind of questions they will ask me in the exam. Maybe how I could find the molecular weight, if they give me the daltons for one amino acid? Also, could anyone comment on the figures and explain th

Anonymous   230   2 Replies

Anonymous

Drag each word or phrase to the part of the Venn diagram to which it is associated; if a word or ...

Drag each word or phrase to the part of the Venn diagram to which it is associated; if a word or ...

Drag each word or phrase to the part of the Venn diagram to which it is associated; if a word or phrase is
associated with both muscular and skeletal systems, place it in the overlapping parts of the circles.

[url=https://biology-foru

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Devyobey   7667   49 Replies

Josh Endres

Legionella pneumophila in hospital water distribution systems has been linked

Legionella pneumophila in hospital water distribution systems has been linked

Legionella pneumophila in hospital water distribution systems has been linked to nosocomial infections. As a result, hospitals are investigating methods for eradicating Legionella in their water systems. Plate counts were used to determine the effect

agent   5699   5 Replies

beanieboo

The most important virulence factor of Vibrio cholerae is

The most important virulence factor of Vibrio cholerae is

The most important virulence factor of Vibrio cholerae is
A) the presence of two axial flagella.
B) the fact that it is oxidase positive.
C) its ability to survive in fresh water.
D) its ability to produce a potent exotoxin.

Anook   252   3 Replies

berry08

How to get aqueous extract of this? I wanna test on bacteria

How to get aqueous extract of this? I wanna test on bacteria

i want to get diff concentrations of water extracts for thrmeric and garlic. in the pic, i put a few examples but i need a step by step procedure because i dont know which procedure to follow. like if it's a paste instead of powder and i assume

Anonymous   220   3 Replies

bio_man

Global pandemics in future.

Global pandemics in future.

Covid19 global pandemic was unexpected (originated in Dec 2019) affecting the respiratory system in Human anatomy.

Is it possible similar to Covid19 Sars virus, other variants can threaten human lives in future?

For example: Yea

prashantakerkar   229   2 Replies

prashantakerkar

Interpretation Help Needed for Agarose Gel Electrophoresis Image

Interpretation Help Needed for Agarose Gel Electrophoresis Image

Hello fellow biologists,

I am seeking some assistance in deciphering an agarose gel electrophoresis image. The gel is a result of a molecular biology practical involving the amplification of specific genes from mushroom DNA. Here are the e

hurinthalion17   258   3 Replies

bio_man

M cell + G1 cell

M cell + G1 cell

Hey, if we add a cell in g1 phase to a cell in m phase, cell immediately goes to m phase or s? And if it goes to m phase, we have no duplicated chromosome, so what will happen? Gamete will be made?

Sam Shojai   239   3 Replies

bio_man

CAMP functions

CAMP functions

Well, cAMP has different effects, it has a role on dialysis different molecules, it’s one molecule. What makes it have different responses?

Sam Shojai   288   6 Replies

Sam Shojai

Clinical Application exercise 3: microbes in the environment

Clinical Application exercise 3: microbes in the environment

Hi guys I need help with this clinical application for my microbiology class!

The effectiveness of sanitation procedures in hospitals is determined by sampling surfaces for bacteria. Samples can be taken by rubbing a sterile, moistened cot

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ankochan   16309   19 Replies

andrew stall

What is the survival value of each of the following?

What is the survival value of each of the following?

What is the survival value of each of the following?
a.   Semiconservative replication of DNA.
b.   The degeneracy of the genetic code

barry   2512   1 Reply

bolbol

Discuss the use of Bergey's Manual as a tool of classification. Of identificatio

Discuss the use of Bergey's Manual as a tool of classification. Of identificatio

Discuss the use of Bergey's Manual as a tool of classification. Of identification.

barry   1065   1 Reply

bolbol

Explain how the presence of algae can indicate either pollution or productivity

Explain how the presence of algae can indicate either pollution or productivity

Explain how the presence of algae can indicate either pollution or productivity of a body of water.

barry   4438   1 Reply

bolbol

Compare and contrast the lytic cycle of infection of a DNA virus and an RNA viru

Compare and contrast the lytic cycle of infection of a DNA virus and an RNA viru

Compare and contrast the lytic cycle of infection of a DNA virus and an RNA virus.

barry   2929   1 Reply

bolbol

Genetic regulation

Genetic regulation

In prokaryotic cells certain substances trigger gene expression (for example, if there is lactose to be digested, lactose itself starts a reaction that leads to  the transcription of the genes that code for the enzymes to digest it).
In euk

Glomeris   229   2 Replies

Glomeris

If axons 1 and 2 were activated at the same time, the most likely interpretation of Diagram Z is tha

If axons 1 and 2 were activated at the same time, the most likely interpretation of Diagram Z is tha

If axons 1 and 2 were activated at the same time, the most likely interpretation of Diagram Z is that

a)Axon 3 would increase the effect of Axon 2
b)Axon 2 would inhibit the effect of Axon 1
c)Axon 1 would inhibit the effect of A

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salax0   5847   21 Replies

Ava Dumanowski

Stem cell numbers by age?

Stem cell numbers by age?

How much does our stem cell numbers change by age? I don't mean efficacy of stem cells. The total number or percentage compared to total cells in body.

CarbonRobot   389   3 Replies

bio_man

Match the labelled synapse structure with the correct structure or function . Place the correct numb

Match the labelled synapse structure with the correct structure or function . Place the correct numb

Match the labelled synapse structure with the correct structure or function . Place the correct number in each blank. Use each letter only once.
-—Synaptic vesicle containing the neurotransmitters
-Postsynaptic membrane of the dendrite —-S

ohemati   666   8 Replies

Misswess

Meiosis requires two rounds of cell division.

Meiosis requires two rounds of cell division.

: Give a reason for the following: Meiosis requires two rounds of cell division.
A The first division increases the number of
cells, while the second halves the
chromosome number.
B The first division increases the number of

HOSSAM1414   209   1 Reply

bio_man

Which of the following best describes the mechanism(s) by which the RNA interfer

Which of the following best describes the mechanism(s) by which the RNA interfer

Which of the following best describes the mechanism(s) by which the RNA interference (RNAi) pathway regulates gene expression?

      
A) The RNAi pathway prevents RNA Pol II from escaping the promoter thus blocking transcription.

dheefko   524   1 Reply

bolbol

You have crossed two Mexican hairless dogs, and the offspring are 1/3 hairy and

You have crossed two Mexican hairless dogs, and the offspring are 1/3 hairy and

You have crossed two Mexican hairless dogs, and the offspring are 1/3 hairy and 2/3 hairless. Given this phenotypic ratio, draw the Punnett square for this cross. What are the genotypes of the P1 and F1 dogs in this cross? List the predicted genotype

barry   4261   9 Replies

Marie9302

Can you identify this blood agar culture

Can you identify this blood agar culture

I would like to know what this is.

mikemiletich   269   1 Reply

Anonymous

Oogenesis is the process of female gamete (ovum or egg) production in animals. Spermatogenesis is ...

Oogenesis is the process of female gamete (ovum or egg) production in animals. Spermatogenesis is ...

1. Oogenesis is the process of female gamete (ovum or egg) production in animals. Spermatogenesis is the process of male gamete (sperm) production in animals. Although both processes produce gamete(s), there are distinct similarities and differences

Anonymous   312   1 Reply

bio_man

CBD as T-Cell booster studies

CBD as T-Cell booster studies

Hi BiFo'ers I'll like to ask for opinions on this proposition, I know this is just overall overview, but think is good point for prevention mids pandemics ...

https://www.scienceforums.net/topic/124536-cbd-as-endocannabinoid-boos

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Odiseizam   4146   58 Replies

Odiseizam

The circles in the diagram below represent the centromere at which two chromatids are joined ...

The circles in the diagram below represent the centromere at which two chromatids are joined ...

1.  USE PHOTO INCLUDED

Use the following diagram and information to help you answer the next question.

The circles in the diagram below represent the centromere at which two chromatids are joined together.  The red a

Anna le   400   3 Replies

Anonymous

cell parts

cell parts

What is the function of the mitochondrion

anderson.b.sullivan   1546   7 Replies

TheMoffattMan

Cells partially lose identity with aging?

Cells partially lose identity with aging?

https://hms.harvard.edu/news/loss-epigenetic-information-can-drive-aging-restoration-can-reverse

Sounds like cells lose clarity on the type of cells they are with age?

CarbonRobot   271   2 Replies

bio_man

VNTR D1S80

VNTR D1S80

Hi,
I have a question about the VNTR D1S80. if you put it on the gelelektrofores you have a repeat unit of 16 basepairs. But why is that.
If you look at another VNTR, take VNTR D17S30, the repeat unit is 70 base pairs.

RobinStaleman   267   2 Replies

Anonymous

Microbiology: Case Study Question

Microbiology: Case Study Question

Hello,

This is the book I am using "Microbiology: An Introduction, 9th Edition Tortora "

I am currently taking microbiology and have a case study that I need some help with answer the question. I already have the first

ramsfan2000   4411   3 Replies

kiara23247843