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Monica [59]
2 years ago
14

A large protein needs to enter a cell to help preform a function explain what process the cell must use to allow the protein to

enter and why
Biology
1 answer:
Solnce55 [7]2 years ago
5 0

Answer:

The protein is too large to simply diffuse across the phospholipid bilayer of the cell, so it uses phagocytosis to diffuse across, where it is contained in a vesicle and pinched into the cell? Credits to yahoo answer. Hope I could help sweets.

Cell membranes acts as a barrier for the large,charged and polar molecules due to their hydrophobic nature.

These molecules are transported with the help of membrane proteins such as carrier proteins across the plasma membrane by a process known as facilitated diffusion. These membrane proteins diffuse larger molecules across the cell membrane that cannot be transported by simple diffusion.

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laila [671]

Cold air is drier because the water molecules are more likely to condense to a liquid.

This was the answer on my course, hope it helps!

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3 years ago
An important challenge to traditional (pre-1860) ideas about species was the observation that seemingly dissimilar organisms, su
choli [55]

Answer:

these seemingly dissimilar organisms might have evolved from a distant

Explanation:

Evolution deals with history of organism survival on Earth.

The evolutionary biologists makes use of fossils as proves to give light to having a clear view of how species survived in past times.

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5 0
3 years ago
Why are beavers a keystone pecies
oee [108]
They construct dams and create an ecosystem for other species . Because of their dam building nests become available for birds, fish population increases and waterfowl population goes up
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Bacteria would be considered a(n) species. <br><br> r- selected<br> K-selected
Nat2105 [25]
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5 0
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Read 2 more answers
Help <br><br> someone that knows it
slamgirl [31]

Answer:

According to the image, the approximate QT interval is 0.4 seconds.

Explanation:

The QT interval is the space between the beginning of the QRS complex and the end of the T wave, which represents from the beginning of depolarization to ventricular repolarization.

Considering that the extandardized measurements of an EKG, where the paper circulates at a speed of 25 mm/s, 1 mm horizontal —measuring time— has an equivalence of 0.04 s.

In the image, there is 10 mm between the beginning of the QRS and the end of the T wave, so:

    0.04 seconds X 10 mm = 0.4 seconds.

Then, the estimated QT interval is 0.4 seconds.

7 0
2 years ago
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