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sweet [91]
3 years ago
15

Plz help last question on my test

Biology
2 answers:
Julli [10]3 years ago
8 0

Answer:

2

Explanation:

red blood cells

hey when you are done with your test notify me we need to talk

makvit [3.9K]3 years ago
4 0

Answer:

muscle cell is produced fast

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Do fungi have chloroplasts?
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3 years ago
Which of the following does NOT accurately state a transfer of carbon in the carbon cycle?
Doss [256]

Answer:

The point that does NOT accurately indicate a carbon transfer in the carbon cycle is that burning of wood and debris pulls carbon from the atmosphere to use as energy.

Explanation:

The carbon cycle involves the journey that carbon makes between living organisms and their surrounding environment, i.e. the entire biosphere, geosphere, hydrosphere and atmosphere, and is therefore considered a biogeochemical cycle.

In living organisms, inorganic carbon is taken up by plants to make organic molecules, which will be used by animals - which release CO₂ into the atmosphere - or dead organic matter provides carbon to the soil.

The combustion of wood and debris involves the oxidation of a combustible material -which requires oxygen from atmosphere- to then release CO₂ as a product. So it is incorrect to say that burning of wood and debris pulls carbon from the atmosphere to use as energy.

6 0
4 years ago
The climate on the Moon is harsh because _____. the Moon has very little atmosphere the Moon is too close to the Sun the Moon is
Novay_Z [31]
The correct answer to the question which is stated above is obviously the first option: <span>the Moon has very little atmosphere

</span>The climate on the Moon is harsh because  the Moon has very little atmosphere. The moon can never<span> be too close or too far because it is right next to earth. </span>
6 0
3 years ago
Read 2 more answers
Suppose that in another world, DNA does not undergo semiconservative replication, but instead a conservative mechanism is used.
Liono4ka [1.6K]

Answer:

c. ¼ heavy, ¾ light

Explanation:

DNA replication follows semi conservative model which means that both the strands separate during replication and the newly formed DNA molecule has one old and one new strand. If instead of semi conservative, conservative mechanism is used, old strands will not separate from each other and the two newly synthesised DNA strands will come together to form a DNA molecule.

Here the cells were first grown in heavy 15N medium so all the DNA molecules had 15N and thus were heavy. Then the cells were transferred to 14N medium where only lighter 14N were available for replication process.

In first generation, 14N DNA molecules were synthesised from 15N DNA molecules so 1/2 DNA molecules were 15N and other half were 14N. In the second generation, 14N molecules will give rise to new 14N molecules and 15N molecules will also give rise to 14N molecules hence 1/4 molecules will be 15N (heavy) and 3/4 will be 14N (light).  

3 0
3 years ago
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