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Alona [7]
3 years ago
11

What basic life processes must all unicellular organisms perform in order to survive?

Biology
1 answer:
11111nata11111 [884]3 years ago
3 0
To reproduce (asexually). Most unicellular organisms only live for mere hours. The best bet for the species to survive and thrive as a whole is for them to reproduce, or replicate. 
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Which two statements describe a mixture?
bagirrra123 [75]
I think it would be D a pure substance
4 0
2 years ago
Read 2 more answers
How many significant digits are there in 0.00840, 15.7, and 13.040?
skelet666 [1.2K]

Answer:

3sf, 3sf, 5sf

Explanation:

hope it helps!!!

3 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
Complete a Punnett square that shows a test cross for a tall pea plant (RR x rr). Place the plant to be tested at the top of the
shepuryov [24]

Answer:

we'll use () to indicate the different boxes

      ( )   (r)    (r)

     (R)  (Rr)  (Rr)

     (R)  (Rr)  (Rr)

You will have a 2 by 2 cell for your answer.  One set of your test (rr) will go across the top as is shown and the other will be vertical (RR) as shown.  Go down the line and put the letter you see at the top in each box and then do the same going across.

      ( )   (r)   (r)

      ( )   (r)   ( )

      ( )   (r)   ( )

      ( )   (r)   (r)

     (R)  (Rr) (R)

     (R)   (r)   ( )

I tried to make this a comprehensible as possible but just draw your diagram and put the letters in the exact order as shown and then read this.  It may make more sense that way.

Explanation:

5 0
2 years ago
The options are <br> A.) deletion <br> B.) nondisjunction <br> C.) inversion <br> D.) insertion
Snezhnost [94]

Answer:

I think the insertion is  represented

Explanation:

hope this helps if not let me know have a blessed day

5 0
2 years ago
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