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rusak2 [61]
2 years ago
12

The handpiece that uses low-volume suction to remove fluids from the mouth is the ____.

Biology
1 answer:
Nadusha1986 [10]2 years ago
5 0
The index& the middle fingers r very helpful for this
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Which of the following is true of fertilization in conifers?
mojhsa [17]
C. The female cone releases its seeds and new sporophytes grow.

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5 0
3 years ago
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If a particular cell is known to be round and incapable of producing its own food, which one of these organelles would you assum
UNO [17]

If a particular cell is known to be round and incapable of producing its own food, such a cell would not be a plant cell. As such, from the options below:

  • <em>CENTRAL VACUOLE </em>
  • <em>plasma membrane </em>
  • <em> cell wall </em>
  • <em> chloroplast</em>

The correct answer as to which of the organelles the cell must have would be the plasma membrane.

  • central vacuole, cell wall, and chloroplast are all characteristic of plant cells.
  • All cell types have plasma membrane.

Hence, since it has been established that the cell is not a plant cell, the only organelle left that the cell cannot do without is the plasma membrane.

More on cell organelles can be found here: brainly.com/question/23802482

8 0
3 years ago
Which line of defense includes active immunity?<br> O first<br> O second<br> O third<br> O fourth
MrRissso [65]

Answer:

The <u><em>second </em></u>line of defense.

Explanation:

In our bodies the <em><u>second line of defense</u></em> includes active immunity. It contains non-specific immune responses, but yet still contains specific responses for certain things such as inflammatory and fevers.

6 0
3 years ago
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Name the five cardiac cycle activities starting with excitation and ending with regulation of blood flow and volume.
stira [4]

Answer:

Explanation:

1) Excitation brings about contraction.

2) Contraction leads to an increase in blood pressure.

3) Changes in blood pressure results in the opening and closing of the heart valves.

4) The opening and closing of heart valves then regulates the flow of blood and it's volume.

3 0
3 years ago
The hierarchy of life extends past individual organisms. Which of the following is the correct sequence, from least inclusive to
Anna71 [15]

Answer:

E. Population - community - ecosystem - biosphere

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Population is the set of organisms of the same species

Community is where organisms of different species live and communicate together

ecosystem is a biological system where ocommunities and environment are present.

Biosphere is where all ecosystem are present.  (let´s say, the earth)

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3 years ago
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