Biology

I know that there has been success with crossbreeding horses with zebras, dogs with wolves and cattle with bison. Is it also possible to cross breed...

Biology

We weren't allowed to put in a permanent dock because it affected the ecosystem. Can you please explain the effects on the ecosystem of the St....

Biology

What is the cause of static electricity? Also, I'm doing research for a book and I wanted to know if people have small amounts of electrical activity...

Biology

How were the organelles in the cell...

Biology

Do scientists have a method of breaking CO2 down to oxygen and carbon? If so, would this be more cost effective than pumping CO2 into the...

Biology

How can you detect a chemical in the human body even after it has passed through? For example, alcohol passes through the body in 24-48 hours. But it...

Biology

What education do you need to become an embryologist? ...

Biology

Comparing the storage capacity of the human brain to computers, if data and memories in a human brain could be transferred to a hard drive, how big...

Biology

Why do some people bruise more easily than others? What is it that makes some people more sensitive to physical contact than...

Biology

I understand that there is a hormone in the brain that regulates and controls sexuality. Is this true? If it is, then what is the name of this...

Biology

Why does a sperm in the female reproductive system not get attacked? It has foreign antigens, which is what triggers an immune response. Also immune...

Biology

If pepsin digests proteins in the stomach, how do orally taken vaccines...

Biology

Have any cures for any specific viruses been found? By cure I mean the ability to rid the body of all the viral...

Biology

Is there a machine that will measure the amount of oxygen that my lungs use in a breath? Or the difference in oxygen present on inhaling and...

Biology

What kind of permanent changes in a developing child's brain or behaviour can be caused by the mother's chemistry (hormones, neurotransmitters etc.)....

Biology

If a person was to experience continous pain, of moderate intensity, for a week, is there any evidence of physiological changes in the body solely...

Biology

I am curious as to how much electricity over given periods of time (instantly to say a 10 seconds) would it take to kill your average garden type...

Biology

How do cells know when to stop growing (dividing)? How does cancer change the cell so that it no longer knows when to quit? ...

Biology

How many skin cells would be in a square...

Biology

When a group of cancerous cells is compared to a group of normal cells, cancerous cells usually have a much larger percentage of immature cells and...

Biology

Does the diameter of a tree have anything to do with the percentage of lichen coverage on the...

Biology

Where can I find the data to support that polyvinylpyrrolidone is safe for medical applications? Please advise. Thank...

Biology

My Dad told me about bioluminescence you know, the stuff that makes living organisms glow? Anyway, what exactly makes them light up like that? Is it...

Biology

When metal scrapes metal such as two spoons, it makes the edges of my teeth feel numb. Why is...

Biology

I'm doing a project on mercury in water. I was wondering if and how you get mercury out of lakes. Is it...

Biology

I'm doing a senior project on recycling, and I'm curious if it uses more energy to mine and convert aluminum into metal than it does to recycle it. ...

Biology

When I grew up most oranges grapes and other fruit had seeds. This was the normal fruit and vegetable state. Now, GMO foods do not produce seeds Like...

Biology

If a person or infant is going to get freckles, at what point or age do they...

Biology

What exactly is "Bovine Spongiform Encephalopathy" (BSE), or mad cow, what are it's effects, and how in the heck did us canadians get it over here if...

Biology

I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test whether a commercial toothpaste or a home-made...

Biology

What is colour? How does the brain perceive...

Biology

Is it possible to do a blood test (or some other type of tissue testing) to determine someone's exact...

Biology

I have more than one question: Does Coffee work better for females or males? Does Coffee work better for younger people or older people? Does coffee...

Biology

Do all antibacterial soaps kill bacteria? How do you test if they...

Biology

What effect do pain killers have on the human brain? How exactly do they work? What about drugs like Ritalin or Prozac?...

Biology

I'm wondering if you could name some pros and cons of the environmental profession and what kind of education does a person need to go into...

Biology

How do split ends affect the way your hair grows? Why do people say that when you have split ends, then your hair stops growing and you need to get...

Biology

Why does Aspartame taste so sweet? What is the chemistry involved in something that tastes...

Biology

I would like to know how the brain functions generally while sleeping, and what part electricity plays in the process. I would also like to know the...

Biology

Many people say there are 5 senses in the body but I am arguing with my mum here that there are six. Could you please tell me are there 5 or...

Biology

Is the air we exhale pure carbon dioxide? If not, then what is it? ...

Biology

My son is doing a herptiles of ontario project and this a missing link question: Do you think ichtyostega and acanthostega came from a fish, or a...

Biology

Can any plants regenerate after they are totally dried - I don't mean somatic embryogenesis: can the actual dried leaves regenerate, after they are...

Biology

Is blood more complex than just the four groups? How? Also, what structures allow humans to have different blood types, and what are their...

Biology

Why does uracil replace thymine in...

Biology

Are there living beings which do not...

Biology

Why do some people use salt to kill weeds? What does salt do that makes the weeds...

Biology

When a baby is formed it starts out as one cell then splits and reproduces and forms perhaps trillions of cells in nine months to make a living baby...

Biology

How did we (as a race) evolve eyebrows and eyelashes. The way I understand it is that to evolve something, there has to be a life changing need,...

Biology

Why doesn't pepsin break down gelatin on developed photographic film or does it just take a very long time? I did an investigation to see how pH...

Biology

How would one maintain a bacterial culture without having to transfer cultures on a regular...

Biology

What is immunofluorescence analysis, what basic materials are used, and how long does it take to perform? Is this similar with cytometric assay and...

Biology

Why does nutrasweet or aspartame loses its effectiveness in cooking or in processes requiring elevated...

Biology

IF my blood type is A negative what are my parents' blood types? What does it mean to have negative...

Biology

How do you know what size lobsters should be released instead of taken, in order to ensure the survival of the...

Biology

At which age do the nasal bones and the mandible complete...

Biology

Do shells have nutrients in them? If so, what actually uses those...

Biology

What's a gathering of frogs called? What's a gathering of toads...

Biology

Why are there no penguins in the Arctic, or anywhere in the Northern Hemisphere? ...

Biology

Is there an effective and affordable way to kill weeds on an organic basis? (i.e....

Biology

How does nicotine affect the growth rate of a plant? If you were to put a cigarette in the soil of a plant, would it grow slower or die? ...

Biology

I heard there was a woman named Rosy involved in the discovery of the DNA double helix. Who was she and what part did she play in the discovery? Why...

Biology

How much does a person's head or skull grow every year? If I'm 16, how much would it grow until it reaches its adult age or...

Biology

Can air in the pleural cavity cause the lungs to expand more fully than they normally...

Biology

What is the difference between fats and ...

Biology

Is either Klebsiella pneumoniae or Serratia marcescens documented to be able to extract naked DNA from solution and incorporate it into it's own...

Biology

What is the structure of chicken...

Biology

My grade 10 biology teacher tells us that blood comes in different shades of red (dimmer and darker). I always thought that blood was blue until it...

Biology

What are the ways in molecular biology to show confirmation of hybridization on a solid surface for DNA other than radiolabelling and electron...

Biology

At what speed does the world's slowest living thing travel? And what is the world's slowest living thing? ...

Biology

I am doing some research on microarrays. I wish to know if mRNA's also have open reading frames as in DNA's? If yes, how can they be...

Biology

When eating spicy foods, the tongue and lips can get a burning sensation. Why don't the insides of the cheeks do the...

Biology

How does sugar conserve food?...

Biology

What do you feed baby praying mantises? We found a mother praying mantis who laid an egg sack on a screen in our terrarium. Two days ago the mantises...

Biology

Why do we have five fingers? My idea is that one of nature's themes is "having enough." It's like a log function. It increases rapidly to a point...

Biology

If we are making a perfume and we pour alcohol on an orange peel; why would the smell increase the longer it sits in the bottle? I was looking for...

Biology

I have a liquid crystal display screen computer monitor. I am looking for unbiased information on the chemicals in my flat screen. I would like to...

Biology

Is it possible to test for, and diagnose, mitochondrial disorders, after death? How? Can this be done with a corpse over a year old? Can it be done...

Biology

How do scientists modify a virus so that it can be beneficial to a host cell? For example, during a lysogenic infection when a virus injects its DNA...

Biology

There is a controversy among my collegues that during agarose gel electrophoresis the band that fluoresces is actually of mitochondrial DNA instead...

Biology

When does each organ system of the human body reach full...

Biology

I would like to know the chemical compostion of the venom in a yellow jacket wasp sting, the dosage of venom produced by a yellow jacket, and how...

Biology

Is a nerve impulse considered an electric current since it induces a magnetic...

Biology

If body temperature is 98.6 degrees, why does 98.6 degree water feel hot when you place it on your skin? ...

Biology

Why are egg & milk used as antidotes for heavy metal poisoning and what other household remedies may be used for the same...

Biology

Why can't spruce trees compete with maple trees in more southern forests? What advantages do the maple trees...

Biology

Why does HIV form resistance to ARV so quickly? HIV reproduces itself millions and millions of times a day, and only about 1/10000 is an error...

Biology

Specific tissues are meant to perform specific functions. Is it possible to transfer different tissues into one organ to make it an organ that can...

Biology

My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be dominant, then why are our 3 kids all so fair like...

Biology

What is Birute Galdikas' latest book on the Orangutan Behaviour and her work? ...

Biology

What is the most critical environmental problem in Canada today? ...

Biology

How would Giant Pandas being killed off affect my...

Biology

How do chameleons reproduce body...

Biology

If a person has a bacterial infection and sneezes on a piece of paper, how long will the bacteria live? And the lifespans and names other types of...

Biology

I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest possible ways to do it chemically because I don't...

Biology

I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many times can the same jellyfish sting...

Biology

How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the effectiveness of bacteriocins in destroying its own species....

Biology

We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had that my teacher didn't know was, "Why does thymine...

Biology

My whole family plays hockey. We have frequently discussed how long of a shift should be and with how long of recovery time in between. If a 30...

Biology

How long does it take for alcohol to be detected through the skin after your first drink? Is there currently a sensor out there to detect alcohol...