First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst.
Answer:
(A)Yes.
Explanation:
Homologous structures provide evidence for common ancestry.
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Ok so this is biology well vegitation is certain plants well the plant in its inside have certain medicines that cant be used on humans or animal
*rocks
*Trees
those are what that medicine can go to well on sediment that medicine causes the sedeiment to slow goes sediment can break and kinda disolve like type well that medicineslows it down and keeps sedement longer teachers rteach what they think if u feel i did something wrong please let me know and i can do more research
The answer bnb is true becuase without desity in anything nothing would circulate
So there are four types of nucleotides in DNA:
- Adenine
- Cytosine
- Guanine
- Thymine
And the complements are:
- Adenine ⇄ Thymine
- Cytosine ⇄ Guanine
<u>Using this information, the complementary base of TTGCACG is AACGTGC.</u>