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solmaris [256]
4 years ago
12

Which of the following statements about the tundra is true?

Biology
2 answers:
-Dominant- [34]4 years ago
6 0

Answer:

B. There are two main categories of the tundra biome.

Explanation:

KiRa [710]4 years ago
3 0
The statement about the tundra that is true is that there are two main categories of the tundra biome. 
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1) Which of the following is NOT a property of life? a) Growth b) Reproduction c) Homeostasis d) Having a heartbeat .
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Answer:

c

Explanation:

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Use the drop-down menus to complete the statements. <br><br> Meiosis involves cell divisions.
denpristay [2]

Answer:

Meiosis involves two cell divisions

Explanation:

Mitosis and meiosis are two kinds of cell divisions and one of the main differences between the two is that meiosis goes through <u>2 nuclear divisions</u>.

Meiosis has Meiosis I and Meiosis II division. In Meiosis I, the number of chromosomes in the daughter cells are only half of the parent cells. This is why it is called a reduction division, because the chromosomes will be reduced by half. In Meiosis II, the daughter cells will have the same number of chromosomes as the parent cells, which in this case is the daughter cells of meiosis I.

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3 years ago
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The solutions in the two arms of this U-tube are separated by a membrane that is permeable to water and glucose but not to sucro
DaniilM [7]

Answer:

The correct answer to the question is: the level of liquid in Side A will rise.

Explanation:

  • Sucrose is formed of two molecules of glucose but the membrane is impermeable to it.
  • The given membrane is said to be permeable to water and glucose.
  • Through a semi-permeable membrane, molecules tend to move from a region where its concentration is high to another region where its concentration is low by the process of diffusion until its concentration in the two regions becomes equal. This phenomenon is known as Osmosis.
  • Concentration gradient of a molecule can be defined as the difference in the concentration of the molecule in two different regions separated by a semi-permeable membrane.
  • Considering glucose, the concentration of glucose is low in side A (1M) and high in side B (2M), so it will tend to move from side B to side A down its concentration gradient.
  • Considering sucrose, although its concentration is high in side A (2M) but low in side B (1M), it is unable to move as the membrane is impermeable to it.
  • Water tend to move from a region where the concentration of solute is low (or water concentration is high) to a region where the concentration of solute is high (or water concentration is low).
  • Due to the movement of glucose from side B to side A, the concentration of total solute concentration becomes high in side A as compared to side B. Therefore, water would move from side B to side A.
  • Hence the level of liquid in Side A will rise after sometime.

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3 years ago
How does a gastrovascular cavity differ from an alimentary canal? The gastrovascular cavity __________.
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C. Stores food but does not digest it
7 0
4 years ago
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What nursing diagnosis is most likely to apply to a patient who has a dysfunction of the posterior lobe of the pituitary gland?
Serjik [45]

Deficient Fluid Volume is the nursing diagnosis that is most likely to apply to a patient who has a dysfunction of the posterior lobe of the pituitary gland.

The posterior pituitary produces ADH; disruptions in the levels of ADH upset the body's normal fluid balance. The hormones produced by the posterior pituitary do not directly affect immune function, tissue perfusion, or body temp.

Deficient fluid volume, or hypovolemia, results from a loss of body fluid or fluid shift, causing the fluid output to surpass fluid intake. In this process (acute or chronic), the body loses fluid volume and electrolytes. The source for this condition can be gastrointestinal, renal, or even metabolic.

Symptoms:

  • Expresses feeling thirsty
  • Verbalizes feelings of weakness
  • States feeling dizzy/lightheaded, especially when changing position
  • Complains about an inability to focus
  • Complains of headaches
  • Describes feeling of fast heartbeat

Learn more about  Deficient Fluid Volume here : brainly.com/question/27960784

#SPJ4

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2 years ago
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