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Talja [164]
3 years ago
14

O new cells are created from

Biology
1 answer:
s2008m [1.1K]3 years ago
7 0
Old existing cells.......
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Which statement describes the effects of farming practices such as the overuse of pesticides?
Mazyrski [523]

Answer: fewer areas have fertile soil reducing crop production

Explanation:

I j got it right

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2 years ago
Biologists focus on heredity in human development, whereas sociologists focus on learning, socialization, and culture. This diff
Aleks04 [339]

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Nature  vs Nurture debate.

Explanation:

Development in human is inborn.The stages of development is dictated and directed by expression of genes encoded by the DNA.Therefore physiological and biochemical interpretations of these DNA dictates is known as human development. it is a fixed mechanisms  which is fastest  at childhood,and progressively slower at advanced stage.<u>Although environmental factors may influence  this developmental stages, the exact mechanism of occurrence is constant and fixed.</u>

<u />

Nuture concept believe that, human development is as a result  of societal  and cultural factors in the environment, and the progression of the development is due to the influences of theses factors  on human perception of life. Thus Human development is  acquired through life exposure and experiences.They are therefore  dynamic, and not static,  but fluctuates based on level of exposure  in the environment.

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5 0
2 years ago
Calculate the cardiac output if heart rate (HR) is 90 beats per minute, stroke volume (SV) is 110 ml/beat, end diastolic volume
Yakvenalex [24]

ANSWER: None of the above options are correct.

Cardiac Output(CO) = Stroke Volume(SV) × Heart Rate(HR)

Therefore where HR= 90bpm and SV= 110ml/min,

CO = 90 × 110 = 9900ml/min or 9.9L/min.

EXPLANATION:

CARDIAC OUTPUT is the volume of blood being pumped by the heart into the systemic circulation per minute.

Cardiac output is the product of two variables, stroke volume and heart rate.

STROKE VOLUME is the amount of blood pumped out by the left ventricle in each contraction.

HEART RATE is the count of the number of times the heart beats per minute.

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3 years ago
What happens when a gene is expressed?
alukav5142 [94]

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Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. The cell reads the sequence of the gene in groups of three bases.

Explanation:

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Deforestation ____ forest ecosystems<br>helps or disrupts?​
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Disrupts

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