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Pavel [41]
3 years ago
11

During a lab exam a student looked through the microscope and identified the following cell parts: circular DNA, ribosomes, cell

wall, and cytoplasm. What type of cell did she identify?
Eukaryotic

Endoplasmic

Prokaryotic

None of the above
Chemistry
1 answer:
notsponge [240]3 years ago
5 0

Answer:

The correct answer to this question is a prokaryotic cell.

Explanation:

Prokaryotes have circular DNA and a cell wall, whereas eukaryotes have their DNA packaged into chromosomes and may not have a cell wall (as is the case in animal cells).

Hope this helps!

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7. A gas has a volume of 300 mL at 300 mm Hg. What will its volume be if the pressure is changed to 500 mm Hg?​
USPshnik [31]

Answer:

The volume is

<h2>180 mL</h2>

Explanation:

In order to solve for the volume we use the formula for Boyle's law which is

<h3>P _{1}  V _{1} = P _{2}V _{2}</h3>

where

P1 is the initial pressure

V1 is the initial volume

P2 is the final pressure

V2 is the final volume

Since we are finding the final volume we are finding V2

Making V2 the subject we have

<h3>V _{2}  = \frac{P _{1}  V _{1}}{P _{2}  }</h3>

From the question

P1 = 300 mmHg

V1 = 300 mL

P2 = 500 mmHg

Substitute the values into the above formula and solve for the final volume obtained

That's

<h3>V _{2} =  \frac{300 \times 300}{500}  \\  =  \frac{90000}{500}  \\  =  \frac{900}{5}</h3>

We have the final answer as

<h3>180 mL</h3>

Hope this helps you

7 0
4 years ago
Write a food chain in which the hawk is a secondary consumer:​
KATRIN_1 [288]

Answer:

Food chain - Frog ---> Snake ---> Hawk

Hope this helps!

3 0
3 years ago
Read 2 more answers
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Explanation:

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Andre45 [30]
The answer is B
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