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xenn [34]
2 years ago
12

(I will mark brainliest please help!)

Biology
1 answer:
lara [203]2 years ago
4 0

Answer:

1. Natural Gas

2. 4

3. 3

Explanation:

Hope This Helps

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The correct answer is choice B, Tt. I hope this helps.
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Which condition would most directly result in the production of lactic acid by
gayaneshka [121]

lactobacillus is responsible for producing lactic scid. It is broken down in two groups, hermofermentative species and hetorfermentative species.

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A classic example of selection in natural populations involves the peppered moth Biston betularia in England. Industrial gases k
Anit [1.1K]

Answer:

Dark colored moth

Explanation:

Moths either dark or light live on the bark of the trees. During industrial revolution in England, excessive pollution caused the darkening of bark of trees. Due to this environmental change, some of the light colored moths evolved and turned into dark colored moths. Both bark and moth being dark in color, made the moths untraceable by their predators. While the light colored moths on dark trees were easily recognizable by their predators.

Hence, the dark colored moths possess high fitness.  

7 0
2 years ago
explain why the number of squid might change if there were a significant decrease in the number of cod
marusya05 [52]
More elephant seals and peguins would be eating (killing) the squids. Also it might not realy change at all because the squid has much more krill and small animals to eat.
7 0
2 years ago
Imagine you are introducing the Lac operon and the Trp operon to students who have never learned about it before.
pentagon [3]

Answer: (I hope you can understand this)

                                           

Type of operon:                                   Trp

                                             It’s a repressible operon        

                                                            Lac

                                            It’s an inducible operon.

Environment:    

                                                             Trp

              It’s deactivated when tryptophan is present in the environment.

                                                            Lac

              It’s activated when lactose is present in the environment.

Repressor protein:

                                                      Trp

                                       It’s activated by tryptophan.

                                                              Lac

                                           It’s inactivated by lactose.

Transcription:

                                                               Trp

                   Tryptophan binds to the repressor protein, activating it.

                                                               Lac

            Lactose binds to the repressor protein, deactivating it.

Explanation:

Plato

4 0
3 years ago
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