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2 years ago

You and your body can maintain homeostasis by?

Biology

2 answers:

NNADVOKAT [17]2 years ago

8 0

Answer:

D.) All of the above

Explanation:

Homeostasis is the body's ability to present a characteristic and constant physical-chemical situation, within certain limits, even in the face of changes imposed by the environment. To keep life conditions constant, the organism mobilizes the most diverse systems, such as the central nervous system, the endocrine system, the excretory system, the circulatory system, the respiratory system, etc.

To maintain homeostasis, you and your body can do several things like:

Sweating
Breathing
Eating and Drinking

inna [77]2 years ago

7 0

It is all of them most of the time when it’s all of the above it’s the answer

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If a dna analysis reveals that a cell has 60 ng of adenine and 20 ng of cytosine, how much thymine and guanine are in the cell?

Serggg [28]

Answer:

Thymine= 60 ng

Guanine= 20 ng

The complementary base pairing occurs between adenine and thymine and guanine and cytosine bases.

Explanation:

According to the Chargaff rule, a double-helical DNA molecule has an equal number or equal amount of adenine and thymine bases since adenine always pairs with thymine. Similarly, the amount of guanine base is equal to that of the cytosine base.

Chargaff rule is based on the complementary base pairing between purine and pyrimidine bases. According to the given information, the amount of adenine is 60 ng. Therefore, the cell would have 60 ng thymine. Similarly, the amount of the cytosine base in the cell is 20 ng which means that the cell would have 20 ng of guanine base.

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2 years ago

Which method of food production is sustainable?

yarga [219]

Answer:

Improving food storage facilities

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2 years ago

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Identify the two genes of each parent that would always produce an ear of corn which has all yellow kernels.

cestrela7 [59]

It would be YY or Yy

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2 years ago

Trisomy 21 can be caused by nondisjunction of chromosome 21, or by inheriting a Robertsonian fusion of chromosome 21 attached to

OLga [1]

Answer:

6 in total; 3 viable and 3 non-viable

Explanation:

Robertsonian translocation is one of the types of structural alteration in chromosomes, in other words, a rearrangement between chromosomes, which can occur between five pairs of acrocentric chromosomes (chromosomes with the centromere close to the end of one of the "arms"): 13, 14, 15, 21 and 22.

An individual who has Robertson's translocation between chromosomes 14 and 21 generally has only 45 chromosomes.

In addition, a carrier of this type of translocation can theoretically produce 6 types of gametes, however 3 of them are not viable.

As for the three remaining gametes: One is normal, and among the other two, one is balanced and the last is unbalanced.

So, theoretically, when combining a normal gamete, the probability of a child with down syndrome being born through these conditions is 1/3 (considering that the probability of producing a certain type of gamete is equal for the three types).

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2 years ago

A body decelerates uniformly to a constant speed and after some time it accelerates uniformly Draw the shape of speed time graph

storchak [24]

Answer:

Kindly check attached picture

Quantity measured is DISTANCE

Explanation:

Segment AB = measures uniform deceleration

BC = Constant speed moved by the car

CD = Uniform acceleration

During uniform deceleration: the speed of the body is reduced at a constant rate with time.

During Constant Speed, the car maintains a Velocity which does not increase or reduce at a certain time interval.

During uniform acceleration the speed of the car increases at a constant rate with time.

B) THE quantity measured by the area covered under a speed-time graph is distance :

With speed on the vertical (y-axis) and time on the horizontal (x-axis)

Area of trapezium = 0.5(AD + BC) × height

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2 years ago