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Ksju [112]
2 years ago
15

Suppose the DNA strand from the question above was exposed to

Biology
1 answer:
Nana76 [90]2 years ago
7 0

Answer:

Substitution

Explanation:

Substitution

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Why is it necessary to seperate oxygenated and deoxygenated blood in mamals and birds? explain​
yKpoI14uk [10]

Answer:

It is necessary to separate oxygenated and deoxygenated blood separate in mammals and birds to maintain their body temperature. Also, if they both are mixed, the blood will get impure and it would be difficult for the heart to supply impure blood. We also can't live with impure blood so we most probably will die.

7 0
3 years ago
Assuming that a mountainside, which slopes and has a plain, which is flat, received the same amount of rain, which is more erode
Rama09 [41]
The region that would be eroded the most would be those at the slopes of the mountain. When heavy rainfall comes, the soil in these regions gets soften thus being forced down forming a run-off due to the force of gravity. These eroded soil would eventually continue to the valleys thus causing landslides.
4 0
2 years ago
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Which of the following is a possible reason for sleep?
Anika [276]

Answer: a). growth

Sleep is a necessary biological activity shown by most of the living creatures. It is the primary activity of the brain. During sleep the blood supply to the muscles increases, the energy of the body gets restored, repair and tissue and growth takes place. Important hormones are released for the process of growth and development.

Therefore, sleep is necessary for growth is a correct option.


4 0
3 years ago
A leaf preserved in hard transparent material is found in:
Artyom0805 [142]
The answer is Fossilized Amber.
8 0
3 years ago
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En un bosque oscuro, ¿qué variación de la polilla salpicada se reproduciría en
julia-pushkina [17]

Answer:

Condiciones ambientales adecuadas.

Explicación:

La variación de la polilla moteada se reproduciría en mayor número debido a las condiciones ambientales adecuadas. El color oscuro del bosque ayuda a la polilla moteada a esconderse de sus depredadores que se alimentan de ellos y provoca la disminución de la población de polillas. Es un proceso de selección natural en el que la polilla de color oscuro sobrevive y aumenta la población debido al color oscuro del bosque, mientras que la población de polilla de color claro disminuye debido a la alta depredación.

7 0
2 years ago
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