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monitta
2 years ago
13

Which of the following descriptions of proteins are true?

Biology
1 answer:
Zina [86]2 years ago
5 0
The correct answer I think is D
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what role will nature selection most likely have in the frequency of the alleles responsible for the presence of tissue pockets
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Answer:

Through natural selection, those organisms which have better adaptations to survive in an environment are able to live and pass on their alleles to their offsprings. Hence, any trait which is beneficial to an organism will be favoured by natural selection.

As tissue pockets is a trait which is required by the shrimps, hence with the passage of time shrimp population having tissue pockets will increase and will be favoured by nature.

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If an amoeba engulfs a particle of food does it use energy?
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Endocytosis is a form of active transport hence require enegry powered by ATP. The amoeba needs to change shape and engulf and envaginate the particle and then use vessicle transportation to get the materials into the cell. This requires that the cytoskeleton - composed of tubules and filaments - contracts and relax accordingly. This requires energy by ATPs just like the myosin and actin of muscle.

Phagocytosis, another  form of endocytosis, is used by some cells such as immune cells to engulf foreign material and then destroy them by use of lysozymes. This is how phagocytes protect the body from invaders.

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3 years ago
Polarity of bonds and molecules is determined by the ______________ of the atoms involved.
melomori [17]
Symmetry of the atoms
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How do some plants survive the intense desert heat and drought?
viva [34]

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Plants close their stomata during times of intense heat or drought in order to prevent water loss and maintain homeostasis.

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Guard cells tend to open stomata within the day when there are lots of day and close stomata at night when the sun is not present and photosynthesis is not happening. They will also close stomata if the air is dry or hot, which minimizes water waste indoors evaporation.

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They are known as dendrites

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