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Anika [276]
3 years ago
11

Why are the size of our muscles partly an acquired trait and partly dependent on DNA?

Biology
1 answer:
Leona [35]3 years ago
8 0
Actually, it is both acquired and part of your DNA. There is a logical <span>explanation but you have to figure that out on your own.</span>
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As the most junior member of a lab, you are tasked with generating cell lines that accumulate DNA damage to investigate how rand
34kurt

Answer:

In p53 pathways, 3 proteins which are mutate and cause cancer that proteins are:

1.BRCA2  

2. p53 in Rb genes binds with deoxyribonucleic acid that stimulates another gene to produce a protein known as p21 that interacts with cdk2. When p21 is combined with cdk2  cell will not pass through to the next stage of cell division. This is Li-Fraumeni syndrome (when p53 causes cancer from parents to offspring)  

3.BRCA1  

The parent that transmits mutation in one of these genes has a 50% chance of inheriting the mutation. The effects of mutations in BRCA2 and BRCA1 are seen when the person's second copy of the gene is normal.

5 0
3 years ago
What is the elevation of point B
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Answer: c. Point B has an elevation less than 2750 feet.

Explanation:

The lines drawn on the map are known as contour lines and they are used to measure elevation. Point B is on a river and rivers are only able to flow at a lower elevation than the area around them.

Point B is therefore lower than the area around it and as the closest contour line to it puts the area at an elevation of 2,750 feet, that must mean that Point B is lower than 2,750 feet.

5 0
2 years ago
A hummingbird sucking nectar from a flower is an example of .......?
Deffense [45]
Check out this website http://science.jrank.org/pages/3421/Hummingbirds-Biology-hummingbirds.html
4 0
3 years ago
Read 2 more answers
Imagine that you've discovered a regulatory sequence thousands of base pairs away from the promoter and that when this sequence
Tresset [83]

Answer:

An Enhancer

Explanation:

Enhancers are the regulatory sequences and are generally located 80-160 base pairs upstream of the transcription start site. Enhancers have bidirectional elements that are involved in the initiation of transcription. Enhancers serve as the binding sites for activators to increase the concentration of activators in the vicinity of the promoter and thereby increase the rate of transcription of the gene.

According to the given information, the loss of a regulatory sequence led to a reduced level of transcription of the gene. This means that the regulatory sequence was involved in the upregulation of transcription. The presence of the sequence far away from the promoter makes it an enhancer.

4 0
3 years ago
18. Which types of mutations, positive, negative or neutral, are most likely to be seen in offspring
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  • b. A skin cell on a cat contains a positive mutation in its DNA - The mutation is not likely to pass as it is the skin cell.

  • C. A sperm cell in a whale contains a positive mutation in its DNA - The mutation is likely to pass as it is in the sperm.

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3 years ago
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