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Mama L [17]
3 years ago
14

2. Aaron is a local chef. Because he wanted to help his dad avoid a second heart attack, Aaron developed a number of

Biology
1 answer:
Kipish [7]3 years ago
7 0

Answer:

A

Explanation:

Rice, bread, pasta, and snacks made from white flour are missing their healthy fiber, vitamins, and minerals. Refined grains quickly convert to sugar, which your body stores as fat. A diet high in refined grains can cause belly fat, which studies link to heart disease and type 2 diabetes

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A student isolates a protein from anaerobic bacteria and analyses the protein by polyacrylamide gel electrophoresis containing S
elixir [45]

Answer:

The correct answer is option D.

Explanation:

In the presence of SDS single band appeared, while in the absence of SDS two bands appeared. SDS or sodium dodecyl sulfate refers to an anionic detergent, which combines with amino acid side chains providing the protein a net negative charge. It dissociates the non-covalent bonds.  

In SDS-PAGE, the separation of proteins takes place on the basis of their molecular weight. Options A and B are incorrect as only in the presence of SDS, the separation of protein subunits takes place. Option C is also incorrect as a protein containing distinct molecular weight cannot show single band.  

Option D is correct as the presence of SDS supplements a bunch of negative charges to the protein, thus, charge is not the factor. Therefore, the proteins are distinguished on the basis of the molecular weight. Thus, identical molecular weight demonstrates a single band. In the non-presence of SDS, charge performs a function along with the molecular weight, therefore, two bands appear.  

8 0
2 years ago
During DNA transcription, as the DNA is processed through the RNA polymerase, a copy is built called a transcript. The mRNA tran
LekaFEV [45]

Answer : A ( adenine )
7 0
3 years ago
Which of these physical factors most shapes the characteristics of a ecosystem?
Stella [2.4K]

C)temperature and rainfall

Explanation:

Temperature and rainfall are the most important physical factors that shapes the characteristics of an ecosystem.

Temperature is the degree of hotness or coldness of a place. It is mostly as a result of the solar radiation it receives.

Rainfall is a form of precipitation in which water falls under gravity in liquid form.

They are both by far the most important factors that shapes ecosystems.

learn more:

Ecosystem brainly.com/question/7846024

#learnwithBrainly

3 0
3 years ago
Shorty after returning from a trip to several continents, a young man experiences episodes of fever, chills, muscle aches, and h
djverab [1.8K]

Answer:

The correct answer will be option-C

Explanation:

Louse-bourne relapsing fever is a disease which is characterised by having the muscle aches and the episodes of fever.

The disease is a vector-borne disease in which the pathogen spirochete <em>Borrelia recurrentis</em> which lives in the gut of the body louse- <em>Pediculus humanus humanus </em>completes its life cycle and when body louse is crushed gets released on to the human skin and thus penetrates the humans. The disease could prove fatal if no treatment is provided at the right time.

Thus, Option-C is the correct answer.

8 0
3 years ago
Read 2 more answers
A large forest fire burns in Canada, dropping black carbon on Greenland. Which of the following is true
klemol [59]

In the case of the large forest fire burns in Canada, the option that is known to be true is option B: . The Greenland glaciers will melt faster.

<h3>How do wildfires affect glaciers?</h3>

A new study has shown that the exposure of glaciers  to any kinds of wildfire smoke can lead to the glaciers melting faster than normal.

Note that this often affects mountain runoff that gives  the main freshwater resources for all of life downstream.

Hence, In the case of the large forest fire burns in Canada, the option that is known to be true is option B: . The Greenland glaciers will melt faster.

A large forest fire burns in Canada, dropping black carbon on Greenland. Which of the following is true?

A. The Greenland glaciers will be protected from melting as the ash will insulate the ice.

B. The Greenland glaciers will melt faster.

C. The black carbon will not affect the Greenland glaciers.

D. It is unknown as to what effect the black carbon would have on the Greenland glaciers.

Learn more about forest fire from

brainly.com/question/15381260

#SPJ1

5 0
1 year ago
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