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Jan16-12 Greg Bernhardt
reference, websites Sticky Thread Pinned: Reference websites ( 1 2 3)
Take a look at this website, it has some really neat Clips, Stills, and Slides of small life forms: ...
Jan10-14 02:09 AM
boymilk
43 69,065
Introduction to Evolution The study of evolution has dominated the field of biology for over a century. Explaining...
Oct25-11 11:42 AM
Ryan_m_b
0 17,925
Hello guys, What does moulting mean. I think it is shedding off the cuticle. But what is the cuticle. Is the outer...
Oct16-11 11:39 AM
mishrashubham
3 2,107
Hello everyone, I just started biology and I have lots of clarifications If red blood cells are created in the bone...
Jul27-09 05:14 AM
getitright
3 2,941
Does the immune system neutralise the toxin created by the bacteria or does it only neutralise the bacteria. Or is it...
Jul27-09 05:15 AM
getitright
3 1,557
What happens when virus invades a host cell, reproduces and then leaves without destroying the host cell. Then does...
Aug7-09 04:13 AM
sameeralord
12 14,640
In a nasal infection how does histamine produce more mucus. Are their histamine receptors in the mucuous membrane? How...
Jul30-09 09:12 AM
sameeralord
0 2,806
This might be a cheesy question. If Macrophages can ingest virus, can't we create a tablet with macrophages and take...
Aug4-09 02:58 AM
sameeralord
2 1,524
If the epiglottis closes when we eat how come we can eat food with our mouth closed, how can we breathe then....
Aug10-09 02:53 AM
Danger
8 7,666
1.Can cholestrol be stored in adipoctytes or is it only stored in liver? 2. If it only stored in liver how does...
Sep19-09 02:32 AM
sameeralord
0 1,352
Hello, Ok I researched it but I don't understand. What I understand is that when one molecule normally...
Sep28-09 11:42 AM
Smachine
1 4,930
Due to colloid osmotic pressure reabsorption occurs but only water is absorbed. So how do they absorb ions and other...
Sep30-09 07:15 PM
sameeralord
0 2,343
In bacterial transduction bacteriophages contain DNA from other bacteria and infect other cells. My question is how...
Nov15-09 11:15 AM
AyazM
2 2,494
Ok I searched and found this as the answer from a previous topic "The sodium potassium pump is required to maintain...
Oct12-09 02:09 AM
lydilmyo
4 13,312
"Osmolarity is the measure of solute concentration, defined as the number of osmoles of solute per liter of solution...
Oct10-09 08:57 AM
sameeralord
4 4,586
wikipedia-In biology and medicine, an epithelium is a tissue composed of cells that line the cavities and surfaces of...
Oct13-09 03:50 PM
Smachine
2 3,737
1. Why can't antibodies enter virus infected cells. Why can't virus infected cells make their membrane permeable for...
Nov15-09 11:00 AM
AyazM
5 3,295
Last topic I made was misunderstood and locked so basically what I want to know is the mechanism behind numbness in...
Oct29-09 09:15 AM
Moonbear
5 6,453
Ok as the title suggests I want to clear up my misunderstandings on protein structure. 1. When they say...
Oct27-09 03:43 PM
Ygggdrasil
1 8,496
Restricitive air way disease is the loss of lung compliance. So this would make it harder for the lung to expand...
Nov15-09 10:19 AM
AyazM
4 2,871
Hello everyone, Ok to understand the respiratory system, proper understanding of this diagram is essential....
Nov5-09 06:00 PM
Moonbear
5 14,962
agonist/antagonist muscle pairs. Let's say agonist flexes the finger. When agonist get paralyzed why does the finger...
Nov17-09 05:22 PM
AyazM
3 8,714
Hello everyone, Quick questions. What do they mean by different polarities in anti parallel DNA strands. Are they...
Nov18-09 01:27 PM
Biophreak
3 27,411
Ok they say that the sugar side chain signal added to proteins inside the G.A gives the protein direction when it...
Nov19-09 06:52 PM
Andy Resnick
1 1,214
Ok hydrogen ion gradient drives ATP synthase. In secondary active transport the preexisting concentration gradient...
Nov23-09 09:56 AM
somasimple
4 3,993
Hello everyone, I got some questions about diffusion. My note says that diffusion is affected by 1. Solubilty of...
Nov22-09 12:13 AM
sameeralord
0 4,135
Wiki-The Starling equation is an equation that illustrates the role of hydrostatic and oncotic forces (the so-called...
Nov23-09 02:10 AM
sameeralord
3 3,684
Water is absorbed in the intestine. most water reabsorption take place in colon. When they water is absorbed in...
Nov27-09 02:14 PM
BioSjoerd
1 2,180
Hello everyone, Happy New Year first of all. When the lung loses its elasticity and is in a permanent position of...
Jan3-10 04:23 AM
sameeralord
0 1,126
Hello everyone, Can anyone explain simply why heart rate increases in inspiration. Also why does the aortic valve...
Jan25-10 05:51 PM
AyazM
6 11,336
Hello everyone, How do valves in the body basically work. I can understand how blood flowing on either direction...
Jan19-10 03:06 AM
sameeralord
0 2,908
Hello guys, This might be a stupid question but artery has an inner endothelium and muscle outside. So if molecules...
Feb27-10 05:34 AM
sameeralord
1 1,914
When stimulated in the middle of axon, nerve conduction is bidirectioal. Now I know the andromic conduction stops at...
Feb17-11 02:52 PM
Lievo
3 2,987
The question is give an example of post translational modifcation of a protei brought about my vitamin A. Now I...
Feb25-11 09:41 PM
sameeralord
4 1,752
MHC1 molecules are in all nucleated cells. MHC2 is in macrophages, does this mean they have no nucleus or they have...
Oct23-11 11:16 AM
bobze
8 4,324
Hello guys, I'm reading and trying to understand this and going no where. From what I gather in Type 3...
Oct24-11 04:02 PM
bobze
5 2,788
Out of these I mean 1. Capsule 2. Cell wall 3. Flagella 4. Nucleus 5. Plasmid Bacteria don't have a...
Oct24-11 04:07 PM
bobze
3 2,655
Hello everyone, Why is bacterial endospore not called a true spore. So true spore must be an off spring right. In...
Oct27-11 07:58 AM
mishrashubham
4 3,802
For example candida fungus is a commensal in our skin and mucus membrane, but it can cause infection. So I'm asking...
May21-12 11:24 PM
nmz787
1 1,817
Tell me if I'm right. Endophillic - rest indoors Exophillic- rest outdoors Endophagic- bite indoors Exophagic...
May24-12 01:30 PM
sameeralord
2 2,179
Hello everyone, I'm very new to microbiology and does not have any background knowledge, so I have some simple...
May31-12 03:39 AM
Curious3141
3 11,542
Hello everyone, In metabolic acidosis, normal anion gap means cholride has increased causing hypercholaemic...
Nov1-12 05:25 AM
sameeralord
0 1,232

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