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Nastasia [14]
3 years ago
7

Saving lives with smelly feet (collect best ideas)?

Biology
1 answer:
Svetach [21]3 years ago
4 0
With smelly feet, you can avoid people who are boring and dangerous (,like bullies),
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Summarize the nitrogen cycle and it’s importance of proteins and DNA
iren2701 [21]

Answer:

Nitrogen cycle works through various stages like, nitrogen fixation, nitrification, assimilation, ammonification, denitrification etc. It is a building block for protein and DNA

Explanation:

Nitrogen is an element abundantly found in the atmosphere, also its building block for proteins as well as nucleic acid i.e. DNA formation. In nitrogen cycle , the nitrogen is being prepared from inert nitrogen.  The nitrogen cycle has several processes like nitrogen fixation, in this the inert nitrogen is being converted to organic nitrogen with the help of certain micro-organism.

Nitrification, plants cannot absorb directly nitrogen so bacteria help the plants to convert the nitrogen into ammonia form in this stage. Assimilation, another stage in which plants starts absorbing various forms of nitrogen from the soil.i.e. nitrate, nitrite and ammonium. Ammonification, here plants and animals have nitrogen in there body after death various microbes help in decomposition in this stage. Denitrification, in this stage the return back of nitrogen takes place.

4 0
3 years ago
You have a 15kb plasmid. EcoRI cuts the plasmid into 7kb and 8kb pieces, and BamHI cuts the plasmid into 1kb and 14kb pieces. If
Harman [31]

Answer:

a. Bands at 1kb, 6kb and 8kb

Explanation:

The EcoRI and BamHI are the restriction enzymes which cut the DNA sequence especially a plasmid at specific sites called the restriction sites.

The restriction enzymes produces bands of specific length therefore these restriction enzymes are used to estimate the approximate length of the DNA.

In the given question, the

1. EcoRI- produces two strands of 7 kb and 8 kb

2. BamHI- produces two strands of 1kb and 14kb

This shows that the length of DNA sequence is 15kb

But when the DNA strand are digested with both the enzymes simultaneously then it will produce three bands as:

i) 14 kb can be broken down in 2 bands of 6 kb and 8 kb

ii) 1 kb band is already produced by the Bam HI.

This shows that 1+6+8= 15 kb

Thus, Option-A is correct.

5 0
3 years ago
When either trait in a dihybrid cross is homozygous recessive, what is that gene?
Lady_Fox [76]
None of the above I believe
6 0
3 years ago
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What killed the great beasts of North America
Ilia_Sergeevich [38]

Answer:

incoming Paleoindians, the first Americans, who allegedly hunted them to extinction.

5 0
3 years ago
After an explosion far away, a person working on a farm first senses vibrations in the ground, then hears the explosion. What ac
alisha [4.7K]
The vibrations travel faster than noise. When the ground moves it is coming directly from the source, and when you hear it the sound waves are big and take more time to travel.
4 0
3 years ago
Read 2 more answers
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