Cell Biology

Cellular energy and performance?

Cellular energy and performance?

Is there any correlation between a cell's energy usage and its best performance? Perhaps it will accomplish cell death better with higher energy levels versus sticking around when sickly? Otherwise live and do its job better with fewer compromis

CarbonRobot   172   N/A

CarbonRobot

Multiple Slides samples observations on a Microscope device.

Multiple Slides samples observations on a Microscope device.

Is it possible to design & construct a Microscope (optical or Electron) which can take multiple slides samples instead of a single sample slide at a time?.

Possible construction of the Sample Slides target is a circular disc hold

prashantakerkar   153   N/A

prashantakerkar

CCTV cameras in Microbiology Labs.

CCTV cameras in Microbiology Labs.

Do you feel it will be highly beneficial to have CCTV cameras installed in all Microbiology Labs in the COVID-19 times?

As the COVID vaccines are already developed, the research & development carried further in studying and analysing t

prashantakerkar   263   N/A

prashantakerkar

Characteristics of the tumour-suppressor gene RB

Characteristics of the tumour-suppressor gene RB

Describe the characteristics of the tumour-suppressor gene Rb, including:

(i) the function in the cell cycle of the protein it encodes.
(6 marks)
(ii) the specific cancer caused by loss of its function.
(4 marks)
(iii)

Red.orange.   209   N/A

Red.orange.

________ is the process that moves tubulin subunits to the flagellar tip where they assemble onto ...

________ is the process that moves tubulin subunits to the flagellar tip where they assemble onto ...

________ is the process that moves tubulin subunits to the flagellar tip where they assemble onto axonemal microtubules.
 
  Fill in the blank with correct word.

daniellelady   105   N/A

daniellelady

Cell-based manufacturing in animal cell tissue culture

Cell-based manufacturing in animal cell tissue culture

I am interested to gain more knowledge  on this topic. I be really grateful if you guys can provide any information regarding this topic (books, journals...etc). Your feedback is highly appreciated.

Yutadono   504   N/A

Yutadono

Am american longitudinal study tag followed adults through their fifties and sixties found that wome

Am american longitudinal study tag followed adults through their fifties and sixties found that wome

am american longitudinal study tag followed adults through their fifties and sixties found that women were initially involved with their grandchildren what about men

kkelly0075   804   N/A

kkelly0075

The following figure shows the solute composition of a cell and its extracellular fluid.

The following figure shows the solute composition of a cell and its extracellular fluid.

The following figure shows the solute composition of a cell and its extracellular fluid. Question mark (Neutral Face) represents unknown concentrations.
 Question mark (Neutral Face) represents unknown concentrations.

a. What is the c

ramiawali75@gm   460   N/A

ramiawali75@gm

In the UV radiation experiment, what was the purpose of exposing one plate to visible light?

In the UV radiation experiment, what was the purpose of exposing one plate to visible light?

I need help with this micro lab question , we did an experiment with some bacteria ,

E. Effect of UV radiation

Per table: 12 TSA plates (6/pair of students), liquid cultures of Serratia marcescens and Bacillus subtilis,
st

nevada   592   N/A

nevada

Summarize the ATP yield during aerobic oxidation of glucose for aerobic bacterium.

Summarize the ATP yield during aerobic oxidation of glucose for aerobic bacterium.

I'm not sure how many of each structure are in each process, try to figure out what goes in each box, hopefully I will be able to look at the table and figure out the steps in each cycle. I tried filling out a few boxes although I'm not sur

jhook15   5010   N/A

jhook15

Which molecule(s) is/are NOT normally induced by TLR signaling (TLR=Toll‐Like Receptor)? (1p)  ...

Which molecule(s) is/are NOT normally induced by TLR signaling (TLR=Toll‐Like Receptor)? (1p)  ...

Which molecule(s) is/are NOT normally induced by TLR signaling (TLR=Toll‐Like Receptor)? (1p) 
A. TNF‐alpha
B. IL‐1  
C. iNOS
D. IL‐6
E. IL‐4

SkövdeUni   228   N/A

SkövdeUni

At the site of membrane fusion between an insulin secretory vesicle and the plasma membrane one ...

At the site of membrane fusion between an insulin secretory vesicle and the plasma membrane one ...

True or false:
At the site of membrane fusion between an insulin secretory vesicle and the plasma membrane one would expect to see the aggregation of phosphatidylethanolamine caused by the release of intracellular calcium and the formation of a

calebthecleb   301   N/A

calebthecleb

Differentiate the alphaproteobacteria using a Venn diagram.

Differentiate the alphaproteobacteria using a Venn diagram.

Differentiate the alphaproteobacteria using a Venn diagram.

jms76   377   N/A

jms76

Inhibiting the BINDING of Candida Albicans to Monocyte-derived DENDRITIC cells.

Inhibiting the BINDING of Candida Albicans to Monocyte-derived DENDRITIC cells.

This is a totally random question and I am a big noob.

My question is:

If a drug Inhibits the BINDING of Candida Albicans to Monocyte-derived DENDRITIC cells does it mean it protects you against Candida Albicans infections?

DenditicGirl188   751   N/A

DenditicGirl188

Prokaryotes can conserve energy and resources by making proteins...

Prokaryotes can conserve energy and resources by making proteins...

Hello, I have answered these questions, this is my third attempt and have gotten several wrong. for each question there can be one or more than one correct answer.

1.
The transcription of the trp operon genes (genes for enzymes neces

earenas1   513   N/A

earenas1

Cell Division: Stimulated Microscopic Activity-View of An Onion Root Tip

Cell Division: Stimulated Microscopic Activity-View of An Onion Root Tip

The actively dividing root cells are located near the tip of a root. A dye is applied to a sample of these cells. The chromosomes, of the cells, accept the dye and appear bright red compared to other cell structures.

For the following ques

Farheen98   530   N/A

Farheen98

Key points in this Hematopoietic Stem Cell article?

Key points in this Hematopoietic Stem Cell article?

I was pointed to this article to answer some questions. Now I don't expect to have all these questions answered, I just need some guidance on some key points because I am very new to reading these research papers. This is the first paper I'

aydehde   1852   N/A

aydehde

Distinguishing lesions of upper and lower motor neurons with specific locations

Distinguishing lesions of upper and lower motor neurons with specific locations

In a given case where a patient has weakness in a certain area, how would you best guess where a specific location the lesion would be (of an upper motor neuron or lower motor neuron) that would be causing the weakness?

kuroko   2305   N/A

kuroko

Question about CO2 production by yeast: glucose, fructose, and sucrose

Question about CO2 production by yeast: glucose, fructose, and sucrose

I did a lab a few days ago, and hypothesized that monosaccharides produce more CO2 than disaccharides when yeast ferments.

The data resulting from the experiment was kind of confusing. I tested glucose, fructose, sucrose, and water. See th

curtainthewise   1604   N/A

curtainthewise

Hi, spirogyra and paramecium

Hi, spirogyra and paramecium

Hi,
I'm looking for spirogyra and paramecium drawing at 40X, 100X and at 400X with scale bar. if you have it by chance please let me know
Thanks  

Rockangel   2998   N/A

Rockangel

Saccharomyces cerevisiae

Saccharomyces cerevisiae

I'm looking for a photo of Saccharomyces cerevisiae(wild type) and Saccharomyces cerevisiae(fab1mutant) at 100X oil immersion, it would be awesome if the pic has a scale bar.
Thank you

Rockangel   529   N/A

Rockangel

Calculating Sodium Gradients question

Calculating Sodium Gradients question

I have a question regarding calculating how much of a sodium gradient ([Na+]out- [Na+]in) is required to maintain a glucose concentration of the following: inside the cell is 10mM, and outside the concentration is 0.01mM. The temperature is 310K. I u

pubsy95   1617   N/A

pubsy95

The intracellular cAMP level is lower after time t than before.

The intracellular cAMP level is lower after time t than before.

 The intracellular cAMP level is lower after time t than before.
Select all that apply.
Select all that apply.
   It is true of the cells transferred to medium L.
   It is true of the cells transferred to medium G.
   It is true of

Tariq_alam99   2644   N/A

Tariq_alam99

The rate of glucose consumption per cell is approximately the same after time t

The rate of glucose consumption per cell is approximately the same after time t

 The rate of glucose consumption per cell is approximately the same after time t as before.
Select all that apply.
Select all that apply.
   It is true of the cells transferred to medium L.
   It is true of the cells transferred to me

Tariq_alam99   1497   N/A

Tariq_alam99

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   1372   N/A

Astatine

Mutations in which additional genes are found in almost all aggressive metastati

Mutations in which additional genes are found in almost all aggressive metastati

a 45 year old male diagnosed with metastatic adenocarcinoma was determined to have  a subset of genes whose over expression was characteristic of a metastatic signature. Up regulated genes in the signature include: SNRPF, HNRPAB, DHPS and securi

BioMajor2017   849   N/A

BioMajor2017

The CFTR transporter is a

The CFTR transporter is a

cystic fibrosis occurs because of a mutation in the gene that codes for an active transport(CFTR) in lung tissue that is responsible for transporting chloride ions from the interior lung surface into the cell. In the mutated protein, chloride ions ar

BioMajor2017   813   N/A

BioMajor2017

Timelines for biofilm development and various cellular processes?

Timelines for biofilm development and various cellular processes?

I cannot seem to find good information on how long it takes a bacterial cell to divide. How long it takes to produce and excrete various cellular products? How long does it take for a biofilm to develop? When does it surpass a monolayer?

pitfallxf   834   N/A

pitfallxf

Question regarding lac operon

Question regarding lac operon

Put an X on the line if the re will be a high level of transcription of the operon.

             Lactose p resent; glucose absent

             Lactose p resent; glucose

jjyaolin   7661   N/A

jjyaolin

Draw what would happen when a hormone binds to a receptor, as shown in the diagr

Draw what would happen when a hormone binds to a receptor, as shown in the diagr

Draw what would happen when a hormone binds to a receptor, as shown in the diagram below.

 

arealhero   480   N/A

arealhero

Which of the following images makes the best argument for recombination?

Which of the following images makes the best argument for recombination?

Alleles of many different genes have been implicated in inheritance of a predisposition to skin cancer. Two are BAP1 located at 3p21and CDKN2a located at 9p21.
Consider a man who has two different alleles of BAP1 (call them A and B) and two diff

kikiki   477   N/A

kikiki

What are the causes of failure to induce Leukemia in recipient mice?

What are the causes of failure to induce Leukemia in recipient mice?

A biotech company discovers a new drug that affects the stability and activity of BCR-ABL. You want to test its effect on Chronic myeloid leukemia cells. You got interesting preliminary results when you treated CML cell lines  in  vitro&nbs

ehd123   888   N/A

ehd123

What is the minimum bactericidal concentration of each antibiotic?

What is the minimum bactericidal concentration of each antibiotic?

The broth dilution test can be used to determine the effectiveness of an antibiotic. In this test, serial dilutions of the antibiotic were set up in the wells of a microtiter plate. Equal amounts of broth culture of Staph aureus were added to each we

agent   2082   N/A

agent

Basal Lamina of the Kidney

Basal Lamina of the Kidney

The basal lamina of the kidney glomerulus is a thick porous structure that acts as a filter to control the movement os solutes into urine. Ut selectively allows solutes to pass through based on their charge, shape, and size. Positively charged and ne

cannotfail   1458   N/A

cannotfail

About Donnan's equation - Help

About Donnan's equation - Help

I have a cell with a permeable membrane to Na+, K+ and Cl- . The concentration inside is different from the outside (for the 3 ions) and the the electro diffusive flows are in equilibrium simultaneously (Φ=0).

How can I deduce the mathemat

MimiMeow   1562   N/A

MimiMeow

A cell has the following distribution of ions across its membrane with

A cell has the following distribution of ions across its membrane with

A cell has the following distribution of ions across its membrane with the concentrations (activity) given in mmol -1 (mM):

Ion   Inside    Outside

An-    140.5
Na+    9.0    &

BioSubi   993   N/A

BioSubi

cell physiology practice problem

cell physiology practice problem

A Mammalian cell (permeable to Na+, K+, Cl-, with the usual distribution of ions) has
the following values for ionic equilibrium potentials: ENa=+60 mV, EK = -80 mV and
Ec1 = -85 mV.
What is the initial direction of movement of each i

BioSubi   434   N/A

BioSubi

Gene expression

Gene expression

Gene etoh-1 is induced in yeast cells when treated with high levels of ethanol. A mutation in region 1 located in the upstream cis acting regulatory region of etoh-1 results in high-level RNA transcription, and a mutation in region 2 results in incre

juno1973   263   N/A

juno1973

Splicing Question

Splicing Question

A patient with skin lesions and extreme sensitivity to UV visits a doctor. A skin biopsy is performed and genomic DNA is isolated and sequenced for Xeroderma Pigmentousum gene mutations. The results indicate a mutation in XPA gene, which consists of

juno1973   300   N/A

juno1973

Enteric pathogens lab staining...

Enteric pathogens lab staining...

Why doesn't laboratory use gram stain as the first method to identify enteric pathogens/bacteria?

isn't enteric bacteria gram negative stain to begin with?

itsminh   333   N/A

itsminh