Cell Biology

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   17   1 Reply

doubleu

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   6876   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   5309   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   97   3 Replies

berry08

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   9134   20 Replies

Anonymous

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   88   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   84   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   120   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   94   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   107   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   15943   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   2346   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   904   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   4182   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   2734   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   97   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   5495   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   226   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   491   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   108   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   428   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   4122   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   169   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   187   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   3016   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   223   3 Replies

Anonymous

cell parts

cell parts

What is the function of the mitochondrion

anderson.b.sullivan   1413   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   159   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   154   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   4258   3 Replies

kiara23247843

Why do Coxiella show variable Gram stain results?

Why do Coxiella show variable Gram stain results?

i am researching this question for my homework and am stumped.  I'm pretty sure it's gram negative but i don't know why it would show both?

crsmicro   532   1 Reply

bolbol

When the ionic permeability of a cell membrane is increased?

When the ionic permeability of a cell membrane is increased?

When the ionic permeability of a cell membrane is increased, what factors determine the amount and direction of the resulting ion flow?

An increase in a membrane 's ionic permeability usually causes a shift in membrane potential. Give

BioSubi   1279   1 Reply

bolbol

A healthcare provider notes that tapping the patients facial nerve leads to lip twitching. What ...

A healthcare provider notes that tapping the patients facial nerve leads to lip twitching. What ...

[html]A healthcare provider notes that tapping the patient’s facial nerve leads to lip twitching. What electrolyte value is correlated with this finding?


▸ K+: 2.8 mEq/L

▸ K+: 5.4 mEq/L

▸ Ca++: 8.2 mg/dL

hlturner75   321   3 Replies

Anonymous

Why are physiology and anatomy frequently studied together?

Why are physiology and anatomy frequently studied together?

Why are physiology and anatomy frequently studied together?

mel2017   315   1 Reply

bolbol

Parameters for quantitative analysis

Parameters for quantitative analysis

Question: Discuss the parameters for quantitative analysis, e.g. bundle density, diameter of vascular bundles etc and for qualitative analysis of vascular bundles between monocot and dicot.

Anonymous   286   8 Replies

duddy

Stain for monocot and dicot stem

Stain for monocot and dicot stem

What stain are usually used to view the vascular bundle of a monocot (e.g. corn) and dicot stem (e.g. sunflower)? Thanks.

Anonymous   144   1 Reply

habiba

what is an important macromolecule that enters a cell via receptor- mediated endocytosis?

what is an important macromolecule that enters a cell via receptor- mediated endocytosis?

what is an important macromolecule that enters a cell via receptor- mediated endocytosis?

ASKFE   589   1 Reply

bolbol

what is the difference between the two processes known as phagocytosis and pinocytosis?

what is the difference between the two processes known as phagocytosis and pinocytosis?

what is the difference between the two processes known as phagocytosis and pinocytosis?

smokeyd   536   1 Reply

bolbol

Data analysis ONT sequencing

Data analysis ONT sequencing

Hello,

For my thesis, i have to do data analysis of my experiments. one of my experiments is the comparison of the r9.4.1 flow cell and the R10.4.1. flow cell. my mentor cannot help me for now which is why i am looking for help here. I hav

Anonymous   138   1 Reply

bio_man

Why flagella is important in our cells

Why flagella is important in our cells

why flagella is important in our cells

mubashiriqbal97   133   1 Reply

billybob888