Answer:
A common birth defect that is usually due to an extra chromosome 21( trisomy 21) .
The answer to this question would be: D)there are a few types of enzymes, but they each perform many types of reactions.
Enzyme is vital for a living since it will speed up the chemical reaction rate. This will help much in making and processing energy. But enzyme works like lock and key, which means that a specific enzyme will help specific reaction.
Answer:
I believe it is D. Please correct me if i am wrong.
Explanation:
Hope my answer helps. Have a great day.
You are missing part of the question but color blindness it less likely to be found in female because it is a sex trait that lies on the x gene while also being submissive trait sry I forgot the word. Guys only have one x gene meaning they are much more likely to get it
It causes eutrophication which means that the algae have too much nutrients and take over the pond, use the oxygen so there is not enough left for marine life, which die as a result.