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lawyer [7]
3 years ago
7

Which of the following best describes a population?

Biology
1 answer:
Katen [24]3 years ago
4 0

Answer:

I think that the answer might be C

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​smoking increases ____ levels in the blood, thus increasing the possibility of unwanted clotting.
irina [24]

Answer:

Increases homocysteine levels

Explanation:

Homocysteine is an aminoacid that is resent in our blood already. This is mostly increased in our blood due to increased consumption of meat and other potential reasons, such as smoking.

High level of this aminoacid are linked to the development of heart diseases. This is because a high homocysteine level causes development of heart diseases along with other risks of renerl diseases.

Hope it helps!

6 0
3 years ago
Turgor pressure is the pressure exerted on a plant cell wall by water. When wilted plants are placed in water, they demonstrate
Rus_ich [418]

Answer: When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.

Explanation:

Turgor is a phenomenon in plant cells in which the cell expands due to the pressure exerted by the fluids and also by the cell content on the walls. It is related to osmosis, since the external pressure is usually very high and this internal pressure dilates the cell as much as the elasticity of the membranes allows. <u>Then, the cells swell by absorbing water, tensing the membranes because of the pressure against them.</u> When the fluid exerts outward pressure on the cell wall it is called turgor pressure.  Whereas, the inward pressure exerted on the cell contents by the stretched cell wall is called wall pressure. Generally, both pressures, turgor pressure and wall pressure, are counterbalanced and balanced.

So, this pressure of turgor facilitates the elongation of the cells in the plant, and also, the cells use this phenomenon to regulate the transpiration through the opening and closing of the stomach.

Thereby, the turgor of a living cell is influenced by three primary factors:

  • An adequate supply of water.
  • The formation of osmotically substances.
  • A semi-permeable membrane.

Vacuoles are organelles bounded by a single membrane and present in plant and fungal cells, and where water is stored. Plant cells control their turgor pressure through the movement of water into or out of vacuoles. When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.

3 0
3 years ago
Which of the following best represents the average rate at which infants grow in height during the first four years after birth?
mixer [17]
3 inches per year best represents the average rate at which infants grow in height during the first four years after birth. The correct option among all the options that are given in the question is the second option or option "b". The other choices given in the question seems quiet absurd. So by the method of elimination, one can say that option "b" is correct.
8 0
3 years ago
Read 2 more answers
What conclusions about atoms can you draw from the modern atomic model shown below? Please help and hurry
valentinak56 [21]
Hi,
The correct answers should be:
Electrons are smaller than protons
The majority of an atom’s mass is in the nucleus
Protons and neutrons are about the same size.

The first option is not true since in the picture you can see three different kinds of particles, while the second one is false since different electrons can occupy different energy levels and the same electron can “jump” from one energy level to another one if stimulated.

Hope this helps! If my answer was not clear enough or you’d like further explanation, please let me know. Also, English is not my first language so I’m sorry for any mistakes.
6 0
3 years ago
Read 2 more answers
The main organ of the respiratory system is the .
Vlad [161]
The lungs are the main organ of the respiratory system
3 0
3 years ago
Read 2 more answers
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