| Subject | Date Asked |
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| Biology | 10/16/2009 |
Q: When vesicles from the Golgi apparatus deliver their contents to the exterior of the cell, they add ...
A: Just as many processes add membrane to the PM, similarly membrane is also taken from the PM and ...
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| gene's | 8/4/2009 |
Q: what is a gene made up of please and thanks ANSWER: A gene is nothing but simply a piece of DNA ...
A: Yes of course...... During development of the infant, these genes/DNA program cells of the body so ...
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| Microscopy/Cell biology | 6/22/2009 |
Q: Hypothetical question. If I am studying a protein which is localized to the center of the cell, ...
A: You have to make z-section of the fixed cells in which nucleus is stained with DAPI. Labeling your ...
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| Ants and Microwaves | 6/20/2009 |
Q: Not sure I'm asking the right person but here goes. I was in a hurry the other day and threw a ...
A: Honestly, I do not know the answer. However, this question has been raised in many forums and I ...
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| Experimental design and protein localisation | 5/9/2009 |
Q: question. I am a third year Biology undergraduate student and am trying to get some ideas of how ...
A: Sorry for replying late to this!! Pl. find answers to some of your questions below: 1. What is the ...
|
| PRCESSES TO REDUCE OR ELIMINATE A BACTERIAL COLONY | 5/5/2009 |
Q: I HAVE AN ASSESMENT ABOT FINDING WAYS TO ELIMINATE A BACTERIAL COLONY, I HAVE TO CHOOSE FIVE ...
A: If I understood you correctly, you are looking for ways to reduce the growth of the bacteria. The ...
|
| RED $ WHITE BLOOD CELLS | 4/28/2009 |
Q: please kindly tell me the exact or approximate mass of 1. red blood cell 2. white blood cell. i am a ...
A: I am not completely sure of this answer, however I found this somewhere on the internet. mass of ...
|
| bio | 4/16/2009 |
Q: hi i want to ask that one very small drop of human blood contains which substances and what else ...
A: Blood consists of plasma and cellular material of which 99% is red blood cells (RBCs). It also ...
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| viruses | 4/11/2009 |
Q: It is said that viruses do not survive outside the body of the host. what is the reason for that and ...
A: Viruses do not have the complete machinery to survive. Therefore they always need the machinery of ...
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| biology | 3/30/2009 |
Q: what are the advanage of cellular differentiation?
A: Cellular differentiation is the process by which less specialized cells become more specialized. ...
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| Feet growth of Boys | 3/29/2009 |
Q: I am a 13 year old boy .Well my shoe size is 11(UK) 11 and a half (USA).My height is about 5 feet ...
A: I am afraid that there is anything that can be done to stop this. Most of the times this is ...
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| trypsin and cell | 3/11/2009 |
Q: What is the reason to use trypsin in the cell subculture? And what is the differences of normal cell ...
A: Trypsin helps in cell detachment from the surface so that they can be freshly propagated when they ...
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| cell | 3/11/2009 |
Q: Can we count & measure the cells? If yes, how? I hope you will be able to help me out. But if you ...
A: Of course, it is possible to count and measure them. I do not know which cells you mean, the ...
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| biology | 2/20/2009 |
Q: Why is the process of DNA replication called semiconservative?
A: Sonia, Thank you for your question. DNA replication is called semi-conservative because during ...
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| Biology | 2/18/2009 |
Q: How do insects exchange gases?
A: Sonia, In insects, the exchange of gases takes place through small openings called spiracles ...
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| Ascorbic Acid | 2/13/2009 |
Q: Whats the similarities and differences between L- ascorbic acid and D- ascorbic acid? Can both be ...
A: Whereas ascorbic acid is commonly known as vit C, it is in fact the L-ascorbic acid. This L-ascorbic ...
|
| biology help !!! | 1/24/2009 |
Q: could u just tell the role of RNA and TRNA and MRNA plzz thnx
A: RNA stands for ribonucleic acid and it is of three kinds: rRNA, mRNA and tRNA. The main function of ...
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| measure growth of bacteria | 1/20/2009 |
Q: How do you measure the growth of bacteria? How do you measure growth of inhibition of bacteria? ...
A: The temperature optimal for Pseudomonas Fluoresens is 25-30 degrees C. For staphylococcus it is 15 - ...
|
| About DNA cells | 1/20/2009 |
Q: How do some cells become brain cells and others become skin cells,when the DNA in ALL the cells is ...
A: Teena, Thank you for your question. This process where cells perfrom specific function is called ...
|
| petri dish | 1/19/2009 |
Q: My friend and I are doing a science fair project on bacteria in tap water, well water, ect. I was ...
A: Kelsey, I would suggest that you use a centrifuge. Centrifuge your water sample to pellet the ...
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| measure growth of bacteria | 1/12/2009 |
Q: How do you measure the growth of bacteria? How do you measure growth of inhibition of bacteria? ...
A: There are devices present but unfortuanately they are quite costly at the moment. The easiest method ...
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| measure growth of bacteria | 1/12/2009 |
Q: How do you measure the growth of bacteria? How do you measure growth of inhibition of bacteria? ...
A: The most common method for measuring the growth of bacteria is taking the optical density (OD) of ...
|
| bio | 12/2/2008 |
Q: supposea bag made of differentially permeable membrane was filled with a 5% solution of glucose and ...
A: If a semi-permeable bag is filled with 5% glucose solution and placed in water, this means that the ...
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| questions about passive transport | 11/28/2008 |
Q: i don't know what would happen if a semi-permeable bag containing a high concentration of a protein ...
A: Since the solution inside the bag is hypertonic, the water will move inside the semi-permeable bag. ...
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| Account for experiment | 11/24/2008 |
Q: In the practical/experiment questions, if it ask "account fully for your results as fully as ...
A: The examiner actually wants to know the logic behind your experiment. So, if you observe a higher % ...
|
| protoctistans | 11/23/2008 |
Q: please define
A: Protoctistans are the orgnanisms that belong to the kingdom protoctista. These are primitive ...
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| biology | 11/19/2008 |
Q: What does Endo-16 gene expression mean?
A: Do you mean gene expression of endogenous 16S rRNA? If yes, This means that the gene expression of ...
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| cell division | 11/17/2008 |
Q: we know due to wear and tear our cell dies everyday and due to new cell division new cells are ...
A: Of course, cells divide. However, the division process is not perfect. With each division, the ends ...
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| biology | 11/16/2008 |
Q: hi do u have any example of diagram comparing and interrelating the structures and processes among a ...
A: Wilbert, Chloroplast and mitochondria are organelles found in plants and animals respectively where ...
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