bio, can anyone help me?
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What kind of material could this be and what kind of animal is in the stone?
Hello I found a waxy stone in the Mediterranean. I thought it was ambergris, but it wasn't porous enough. Could it be amber? I've now sanded it down, and a small creature that looks like an octopus has emerged. Can anyone tell me what it could be? I'm attaching pictures. Thanks!
Enzyme catalysis?
ByCirceme
a) Name all the enzymes involved in DNA replication. b) Which catalytic activities are associated with DNA polymerase? c) What functions do the individual activities have?
Why do they say there are no genetic differences between blacks and whites when 2% of whites have Neanderthal genes?
ByAevin67
The question is by no means meant to be racist! But if white Europeans have up to 2% of Neanderthal genes but blacks don't or only very little, then that's a genetic difference of up to 2%? Can someone please enlighten me?
What does adrenaline do?
ByAlex430
So I think that when you are in danger the body produces adrenaline, and this makes the person stronger, but how much stronger can they do what they cannot do without adrenaline?
Eye color changes over the years?
Hi, I've had brown eyes my whole life, but I've noticed that the outer ring of my eyes has become greener as I've gotten older. Is this something I should be concerned about?
Electron microscopic images of animal and plant cells?
I have to hand in the paper on Monday, and unfortunately I can't seem to figure it out. All I can find is the vacuole… Can someone maybe help me?
Yes, I can help The imaged structure looks like molecule adenosine triphosphate (ATP), which is used in cells as energy storage