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Tcecarenko [31]
3 years ago
7

3. Explain what the difference is between an oxygen atom and an oxygen molecule.

Biology
1 answer:
max2010maxim [7]3 years ago
8 0

Answer:

An oxygen atom is what is found on the periodic table. The Oxygen atom is made of 8 proton, 8 electrons and generally 8 neutrons.The oxygen molecule is made of two oxygen atoms that have formed a double bond with each other and share valence electrons.

Explanation:

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Researchers test a group of cells for DNA content immediately following mitosis and find the average to be 12 picograms of DNA p
zlopas [31]

Answer:

The correct answer is - 24, 24

Explanation:

In any type of cell division, there is an interphase stage before the actual process of division which is a preparatory process or stage that includes different substages like G1, S, and G2. S phase is a synthesis of the cell cycle responsible for duplication or replication of the DNA.

So, at the end of the S phase, the DNA amount becomes double its initial amount and remains the same in the G2 phase. So, if the initial amount is 12 picogram then it will be double in the S phase and remain 12 in G2 as well.

7 0
3 years ago
Mitochondria are like kidneys in that they filter out waste
klio [65]
That should be the cell membrane. The cell membrane acts as a filter in and out.
7 0
4 years ago
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I will fan and medal !!!!!!!!!!!!!!
Sveta_85 [38]
All right.
Differences with the Historical Model:
1. That model shows the planet's orbits as perfect circles, not ellipses. 
<span>2. Aristotle believed in a geocentric (Earth centered) solar system, while it actually is heliocentric Sun centered). </span>
<span>3. That model didn't show all the planets we know today, such as Neptune, Uranus, etc. </span>
<span>4. A lot of that model was based on religious beliefs. 
</span>Differences with Modern Model:
1. Our model shows the orbits as ellipses. 
<span>2. Our model shows a heliocentric solar system. </span>
<span>3. Our model shows all the planets we know today. </span>
<span>4. Our model has nothing to do with religion. 
</span>Similarities Between Both Models:
1. They both are based on the same solar system. 
<span>2. They both show the inner planets, the Moon, the Sun, Jupiter, and Saturn. </span>
<span>3. The both were made by many observations of the sky.
</span>
Hope this helps.:b

8 0
3 years ago
Which type of tide occurs when a coastline is within a tidal bulge?
Gekata [30.6K]

<span>Answer: B) Low tide
</span>

<span>There are two types of tides created by the gravitational force of the moon: the high and the low. The one which occurs when a coastline is within a tidal bulge is the low tide. Coastal areas experience two high and two low tides every lunar day and it takes six hours and 12.5 minutes for the water at the shore to go from high to low, or from low to high.</span>

6 0
3 years ago
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Where is the heart on a frog? please do not use pics iam blind
lianna [129]
The heart is beneath the breastbone in the chest cavity of the frog
3 0
3 years ago
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