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ExtremeBDS [4]
3 years ago
11

Answer for number 9. Helllp

Biology
1 answer:
BARSIC [14]3 years ago
6 0
<span>Aristotle would have trouble classifying euglena since Aristotle's classification system was only for plants and animals. Euglena exhibited characteristics of photosynthesis which is present in plants and movement which is only present in animals. </span>
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What does cell fractionation allow a scientist to study?
Usimov [2.4K]

Answer:

Cell fractionation allows  to study the different parts of a cell in isolation.When the organelles have been isolated, you can see which organelles make the most energy.

5 0
3 years ago
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The gaps of unjoined membrane through which small molecules exit and enter capillaries are called __________.
Dafna1 [17]

Answer:

<h2>A </h2>

Explanation:

1. A channel between two adjacent cells in known as an intercellular cleft.

2. And through these channels many molecules  can easily pass between cells.

3. Importance of Intercellular clefts:

i) It is very important in transportation of fluids and small solutes.  

ii) It contains gap junctions, tight junctions, desmosomes, and adheren proteins and these junctions help in regulate cell communication by signal transduction, surface receptors, or a chemogradient.

8 0
3 years ago
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Increasing the alveolar ventilation rate will Group of answer choices increase the partial pressure of oxygen in the alveoli. de
Pie

Answer:

Increasing the alveolar ventilation rate will increase the partial pressure of oxygen in the alveoli.

Explanation:

Alveolar Ventilation rate is the rate of air flow in the alveoli of the lung during normal breathing. It is measured in milliliters of air per minute (mL/min). The alveolar ventilation rate is an important factor in determining the concentrations (partial pressures) of oxygen and carbon dioxide in the functioning alveoli.

A high rate of alveolar ventilation, would result in a rapid influx of oxygen-rich air and efflux carbon dioxide-filled air from the alveoli.  This ultimately results in an increase in the concentration of oxygen and a decrease in the concentration of carbon dioxide within the alveoli.

Effects of alveolar ventilation on partial pressures of alveolar carbon dioxide and oxygen (PACO₂ and PAO₂)

If the  alveolar ventilation rate is increased (and carbon dioxide production is unchanged), then the partial pressure of carbon dioxide in the alveoli, PACO₂ will decrease.

If the  alveolar ventilation rate increases, then the partial pressure of oxygen in the alveoli, PAO₂ will increase.

7 0
2 years ago
For each function listed, choose the correct macromolecule from the drop-down menu.
Olegator [25]
Where are the functions?
5 0
3 years ago
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8.What is uplift?<br> (Ignore this it asked for 20 or more characters, just answer the question plz)
musickatia [10]

Answer:

UPLIFT IS UPLIFT GOT IT Cause if you dont I will BREAK YOUR NECK IN YOUR SLEEP:)

3 0
3 years ago
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