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liq [111]
3 years ago
6

What 4 things help to keep blood flowing through the veins in one direction?

Biology
1 answer:
Elanso [62]3 years ago
7 0

Answer:

Valves in the veins keep blood flowing in the correct direction.

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How does the process of concentration affect vitamin c content of orange juice
kaheart [24]
Vitamin C, ascorbic acid, is one of the most important vitamins found in citrus juices, including orange juice.<span> The temperature and storage time affects the percent of vitamin C content of orange fruits and orange juice. Different varieties of oranges also have different levels of vitamin C. The mid-season variety, Pineapple Orange had the highest levels, followed by the main early-season variety, Hamlin Orange. The late-season Valencia Orange had the lowest vitamin C content. Additionally, it was found that the longer the Valencia Orange fruit stayed on the tree, the lower the vitamin C level. </span>
4 0
4 years ago
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. If mice ate all of the plants, Fill in the blank text field 1
Naily [24]

Answer:

Mice: 33,000

Snakes: 3,300

Eagle: 330

The eagle would use 297 kcal of energy for its life processes.

The eagle's body would store 33 kcal of energy.

Explanation:

I tried to solve it on my own and it was all wrong so this is what the answers were.

4 0
3 years ago
Why is the extensive folding in the endoplasmic reticulum important?
kirza4 [7]
The rate-limiting step for the secretion of secretory proteins or the appearance at the plasma membrane for membrane protein is generally thought to be the rate of exit from the ER. Biosynthesis in or at the ER, including folding, modifications, and assembly, hence is the most crucial step for efficient secretion.
6 0
3 years ago
An orderly series of steps in which the dna in the nucleus of the cell is equally distributed to two daughter nuclei is called _
Klio2033 [76]

The correct answer is mitosis.

The cell division, which result in the equal distribution of the cellular components among two daughter cell is known as mitosis. in this case, the content of the DNA in a cell is equally divided into two daughter nuclei, along with the cellular components.

The daughter cells formed in the case of mitosis is similar to the parent cell. The mitosis takes place through a series of events, which can be divided into four types, prophase, metaphase, anaphase and telophase, followed by cytokinesis.

6 0
3 years ago
Which of the following describes how the winter season affects organisms in the tundra biome?
Savatey [412]
The best and most correct answer among the choices provided by your question is the second choice or letter B.

<span>Plants lose their leaves to conserve energy is an example of how organisms are affected in a tundra biome.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
5 0
3 years ago
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