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Elena L [17]
3 years ago
5

Brings dry, clear weather

Biology
1 answer:
Alborosie3 years ago
4 0
Summer? Idek your question
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In a duplication, a person has more than two alleles for a certain trait. crossing-over between sister chromatids has occurred t
Leni [432]

The right answer is a person has more than two alleles for a certain trait.

Duplication is a genetic mutation characterized by the doubling of genetic material on a chromosome. There are several mechanisms that result in the duplication of either a large chromosomal portion, a gene, or a nucleotide sequence.

5 0
3 years ago
Which is an example of homogamy?
ladessa [460]
I think the answer is c
5 0
3 years ago
Shawn will conduct a study by rolling a toy car down a ramp. He plans to set the
GalinKa [24]

Answer:

  • Independent variable: Car weight (car + block with a mass of 10 grams)
  • Dependent variable: Speed (the time the car takes to descend the ramp)

Explanation:

As you can see in the question above, Shawn wants to check the speed that a car takes when going down a ramp, related to the weight of this case, that is, he wants to know the influence of the weight that the car presents, in its speed in going down a ramp.

In this type of experiment, we can consider the weight that the car presents as the independent variable. This is because independent variables are those that influence a result within the experiment. They happen without the influence of another variable and are factors that impose changes in the analyzed system.

The dependent variable, however, is the car's speed down the ramp. This is because the dependent variables are those that need and are influenced by the independent variable, to achieve a result that can be measured and analyzed.

8 0
3 years ago
The initiation of transcription requires melting of the DNA double helix, i.e. separating hydrogen-bonded base pairs, immediatel
sertanlavr [38]

Answer:

The correct answer is B. DNA helicase first unwinds the double helix around the +1 site.

Explanation:

The helicase is an enzyme that specifically breaks the hydrogen bonds of the bases in the transcription process. As E. Coli is a prokaryote, then, the transcription only occurs in one point of the circular DNA. The promoter region indicates where the DNA polymerase has to start replicating and the Topoisomerase unwinds the parts of the DNA that are being excessively twisted because of the separation of the two strands.

4 0
3 years ago
How does a suspension form
kicyunya [14]
A supension is formed when two or more materials are insoulable so they rest on top of each other. For instance, sand and oil are insoulable (unable to be mixed together) so based on density, one rises above the other, making a suspension.

*Hope that helps and enjoy Brainly :)*
3 0
3 years ago
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