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Harlamova29_29 [7]
3 years ago
6

Explain the phosphorus cycle.

Biology
1 answer:
kirill115 [55]3 years ago
4 0
Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms.
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A labeled primer that is known to hybridize to human DNA at 60 different sites in the genome is used to prime human DNA for the
mamaluj [8]

Answer:

The information is not complete in the question to say clearly that how long will be the PCR amplified product. Firstly, it is mentioned that the primer sequence would bind to 60 different sites in the genome. So, there will be 60 different PCR products. Each PCR product could be of different length. This is because we don't know that what is the length of each gene which is going to be amplified in all those 60 cases. Therefore, it is not possible to say what would be the length (in base pairs) of each PCR product as well as the average length. More information is needed to conclude.

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3 years ago
Tumors secrete chemical signals that cause blood vessels from the circulatory system to grow into the tumor, providing nutrients
mario62 [17]
The answer is D.Angiogenesis

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3 0
3 years ago
Give an example of evidence of common descent between bats and primates.
Murljashka [212]

bats and primates are both part of the mammal taxon they have common ancestor since they have that they might also have alike dna and same function or same structure of bones (i haven’t learned this in a long time so sorry if im wrong)

8 0
4 years ago
Explain the difference between past time focus and present time focus.
andreyandreev [35.5K]

The difference between past time focus and present time focus is that present time focus refers to the moment we are living in, the moment we are going to now. The past focus is that we are paying attention to the things that we have experienced in the past. The basic difference is one things is about being focused on the present situation while the other is thinking about past situations or experiences.

Explanation:

Past time focus : David has good marks and he is thinking about that achievement and good grades at that time

Present time focus : David has gotten good grades right now so he is going to put in time to better himself.

7 0
3 years ago
The energy of motion <br><br> kinetic energy<br> potential energy
slava [35]
Kinetic energy is the energy of motion :)
Potential energy is when the object is at rest, I believe
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3 years ago
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