confused from Toronto asks
Does a person get their blood from both parents or just one? My parents seem to think that one's...
David asks
Physicians often want to know the glucose and lipid levels in a patient's blood and whether...
Owen Richardson from Cobble Hill (Vancouver Island, B.C.) asks
I understand that cancer is caused by mutations in some of the genes that regulate cell growth and...
Mateusz from New York asks
Why does it take nerves so long to grow back, more than for skin cells?
Avadhuta Raya from Amsterdam asks
I imagine there must be a gene for lactose tolerance in mammals and humans? They have to have it,...
Sara J Shaw from Northwood, NH asks
I have aplastic anemia, and from what I understand, my T-cells are destroying the stem cells from...
Sarah from the Internet asks
Why doesn't pepsin break down gelatin on developed photographic film or does it just take a very...
Lisa Fondelius from Borås, Sweden asks
If pepsin digests proteins in the stomach, how do orally taken vaccines work?
Ryan from Toronto asks
I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test...
Carly from Colorado Springs asks
When a group of cancerous cells is compared to a group of normal cells, cancerous cells usually...
anton from Melbourne (Australia) asks
Is blood more complex than just the four groups? How? Also, what structures allow humans to have...
Krisy Marsh asks
How would one maintain a bacterial culture without having to transfer cultures on a regular basis?
Ondraya Espenshade from York asks
Is either Klebsiella pneumoniae or Serratia marcescens documented to be able to extract naked DNA...
Rafael Sumalinog from Edmonton asks
What is immunofluorescence analysis, what basic materials are used, and how long does it take to...
Ram Ajore from Delhi, INDIA asks
What are the ways in molecular biology to show confirmation of hybridization on a solid surface for...
Nora from the Internet asks
When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...
Mridu from Toronto asks
Specific tissues are meant to perform specific functions. Is it possible to transfer different...
Callie Davies from Phoenix, Az asks
We just finished studying about DNA, Adenine, thymine, guanine, ect. and one question that I had...
Helen from Toronto asks
How can you extract the bacteriocins (colicins) from E. Coli? I would like to test the...
Crystal Rumble from Hilton Beach, Ontario canada asks
I have been diagnosed with multiple scleroisis recently and I also have severe psoriasis. I've...
C. Davies from Knoxville asks
If a person has a bacterial infection and sneezes on a piece of paper, how long will the bacteria...
Mona from London asks
I was reading about class I MHC (major histocompatibility complex) molecules and in the book it was...
Charlie from Astana, kazakhstan asks
How is it that the over-the-counter pregnancy strip test is so fast and specific versus the common...
Most often, your question can be answered by going to the following areas
If you have a different question, please search our archives
If your question has not already been answered, you may Ask-a-Scientist.
Engineering
Mathematics
Physics
Chemistry
Earth
Biology
Medicine
Other