The _____________ receives blood from the atrium and pumps it out of the heart.

Biology

1 answer:

Aleksandr-060686 [28]2 years ago

8 0

I’m pretty sure it’s the left ventricle but if not then choose another answer

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Fill in the blanks.Phosphorylation cascades are similar to a row of dominoes falling down, instead of one domino knocking down t

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Answer:Phosphorylation cascades are similar to a row of dominoes falling down, instead of one domino knocking down the next, a phosphate being added activates the message. In this way, a series of different _(phosphate group) are each _(added ) after another. Inactive protein kinase 1 gets a __(phosphate group_)___ added and now it is active protein kinase 1. Active protein kinase 1 transfers a (phosphate group) and now inactive protein kinase 2 is now ___(active)_____. This continues until the desired (protein ) is activated to cause a cellular response.

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Which is a correct interpretation of the cladogram shown below?

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A cladogram is an image or a diagram that shows us an evolutionary relationship between different organisms. Up at the top we find the different organisms and their names. Along the side is where we find their characteristics. Anything that is past each characteristic will have that characteristic as you move up the cladogram. This diagram also shows which organisms are most closely related to one another.

Please see the image for an example. In this example we can see that the Koalas evolved after the trout.

I hope this helps, Regards.

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Through the 1973 endangered species act, __________ u.s. species have been listed as endangered or threatened with recovery plan

gizmo_the_mogwai [7]

2,200 species, and recovery plans were approved or implemented for invasive species.

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3 years ago

9. Which structure helps animal cells maintain their shape?

ludmilkaskok [199]

Answer:

D. Cytoskeleton

Explanation:

It is really none of these answers. The correct answer would be a microtubule which is a component of the cytoskeleton which is in the cytoplasm.

The Cell Walls are only in plant cells so that won't work. So, A wouldn't work.

Chromosomes are the things that both your parents give you as genes. They have nothing to do with keeping the structure of the cell alright.

Cytoplasm cannot be a answer choice because, the thing is in it but, it doesn't do anything with it. So C wouldn't work either

The correct answer is microtubule however, it is a component of cytoskeleton so therefore, that is your answer.

Reference the picture below:

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