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Alexeev081 [22]
3 years ago
7

To what organ does the umbilical vein lead

Biology
1 answer:
Romashka [77]3 years ago
6 0
The umbilical vein connects the placenta of the mother to the growing fetus's opening of the stomach. This cord connects the baby to its mother. Its primary function is to carry oxygenated blood to the fetus. <span>The average cord is about 50cm (20 inches) long.</span>
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The differences between each stage of consciousness are easy to recognize.<br> True or False.
AleksandrR [38]
<h2>The answer is </h2>

False

<h2>Explanation:</h2>

According to Sigmund Freud human consciousness have been divided into three levels of awareness: the conscious, precociousness, and unconscious. These stages are never understood by any person at the same time. There is always a transition period between these segments. For example the transition stage from wake to sleep where we see a gradual reduction in consciousness with fuzzy, halfway states in between conscious and unconscious.

6 0
3 years ago
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How are bacteria able to regulate their genes by two types of operons?
Aleks04 [339]

Operons are the functional units of transcription and genetic regulation. These are found in bacteria and their viruses where genes coding for functionally related proteins are grouped along the DNA.

The two types of operons are- inducible and repressible.

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5 0
3 years ago
In which phase of mitosis do the sister chromatids separate at their centromeres?
yuradex [85]
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5 0
3 years ago
1. Define diffusion.
anygoal [31]

Answer:

1) Diffusion is net movement of anything (e.g., atom, ions, molecules) from a region of higher concentration to a region of lower concentration.

2) Osmosis is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides

3) One big difference between osmosis and diffusion is that both solvent and solute particles are free to move in diffusion, but in osmosis, only the solvent molecules (water molecules) cross the membrane.

4)  Molecules tend to move from areas of higher concentration to areas of lower concentration.

I'm sorry, but I don't know how to do part #2. I think it's a lab.

4 0
3 years ago
13. In which location would the rate of soil erosion most likely be higher than the rate of soil formation?
Mariana [72]

A. A steep slope has a higher rate of soil erosion than a rate of soil formation.

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3 years ago
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