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irakobra [83]
2 years ago
14

Which is the best evidence that continental plates continue to move?

Biology
1 answer:
pogonyaev2 years ago
3 0
D.volcanic activity along the ring of fire
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An organism's genetic code is determined by
Vladimir79 [104]
D) the nucleotide sequence in its DNA
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3 years ago
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4. What technique would a scientist use to produce many copies of a<br> desired piece of DNA?||
yawa3891 [41]

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They can use a technique called Polymerase Chain Reaction. This can be done in a test tube or even in a organism. It usually relies on something called  Thermostable DNA Polymerase and Taq polymerase. It requires DNA primers that is designed specifically for that DNA region (interest).

6 0
3 years ago
----- cells do not directly take part in sexual reproduction, while ---- cells do.
Elza [17]

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Somatic; germ

4 0
2 years ago
Pea plants heterozygous for flower position and stem length (AaTt) are allowed to self-pollinate, and 400 of the resulting seeds
7nadin3 [17]

Answer:

            AT             At           aT             at

AT      AATT        AATt       AaTT        AaTt

At        AATt         AAtt        AaTt        Aatt

aT        AaTT        AaTt        aaTT       AaTt

at          AaTt         AaTt        aaTt        aatt

The results of the punnet square show that one out of 16 offsprings will have both the qualities of having terminal flowers and being a dwarf.

A punnet square can be described as a diagram which depicts the likely outcomes of a cross. In the above punnett square, for the plants to have both terminal flowers and to be dwarf, both the alleles should be recessive for the traits.

7 0
3 years ago
G what general types of reactions are occurring to make diphenylacetylene from mesostilbene dibromide?
Lelu [443]

The synthesis of diphenylacetylene from mesostilbene dibromide includes next reactions:

• Bromination of stilbene-it is the reaction of electrophilic adition and bromonium ion is formed as intermedier (meso compound is the product).

• Bimolecular elimination-strong base is used in this reaction (takes away the H) and pi bond is formed.


4 0
3 years ago
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