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masya89 [10]
3 years ago
9

PLEASE HELP ME WITH THIS QUESTION

Biology
2 answers:
Marizza181 [45]3 years ago
8 0
The answer to your question is D
Brut [27]3 years ago
5 0

Answer:

D

Explanation:

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If you exercise at an intensity of 1 liter of oxygen per minute, about how many calories would you burn in one hour?
ANTONII [103]
When exercising carbohydrates an fats are oxidized to release energy used by muscles, during this oxidation 1 liter of oxygen is equivalent to approximately 5 calories. Therefore if one liter of oxygen is consumed every minute during exercise, then in an hour 60 liters of oxygen will have been used. But since one liter of oxygen is equivalent to 5 calories, then in an hour 300 calories will have burned.
4 0
3 years ago
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Susan, a mother with Type B blood, has a child with Type B blood. She claims that Craig, who has
laiz [17]

Answer:

A child with type B blood can have a mother with type B blood and a father with type O blood so the judge grants her request and decides due to Susan is right and Craig must pay child support (option b).

Explanation:

Susan is right in this case because her <u>son with type B blood may have a mother with type B blood and a father with type O blood</u>.

Blood types, according to the ABO system, depend on the existence of surface antigens A or B —Types A, B and AB— or their absence in the erythrocyte membrane.

In the inheritance of blood groups A and B are co-dominant, while the absence of antigens —type O— is a recessive trait.

Assuming that Susan has a genotype B/B and that Craig has a genotype O/O:

<em>Alleles      O     O </em>

<em>B            B/O  B/O </em>

<em>B            B/O  B/O</em>

So it is very likely that the child is Craig's son and Susan is right.

4 0
3 years ago
11. true / false Today, scientists use genetic similarities between species to help
Alex777 [14]

Answer:

True.

Explanation:

In genetics, genetic similarities indicate the actual species. It also helps to identify the relationship or similarities between different species.

A physical character or structure can't be a measurement process of classifying any species as related to other species.

Such as Chimps is 90% genetically similar to human, but they not identical in physical appearance.

So, at present, scientists use genetic similarities between species to help classify them as related species, rather than focusing on physical or structure of any species.

5 0
3 years ago
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Protein X is a protein that is composed of four subunits of equal size--alpha, beta, delta, and gamma--that are bound by either
alexandr402 [8]

Answer:

The correct answer is e3

Explanation:

The given protein in the question proteib X contain four subunits of equal size alpha,beta,delta and gamma which are bound by either noncovalent interactions or disulfide bridges and only beta and delta subunits are bound to each other by disulfide bridges.

  As a result when the protein will undergo fragmentation it will generate 3 bands because the interaction that is present between alpha and beta subunit will break resulting in the formation of 2 bands. Now the most important fact is that the beta subunit is linked to delta subunit by di sulfide bond so when betamarcaptoethanol will act on protein X it will break the disulsulfide bond present between the beta and delta subunit to reduce both the subunit.

  Finally the interaction that is present between delta subunit and gamma subunit will be broken down to release the delta subunit which will form a single band during SDS PAGE..

4 0
3 years ago
Living things are characterized by several properties, Write these function of life
Y_Kistochka [10]

Answer:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.

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