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Korvikt [17]
3 years ago
12

PLSPLS HELP< I HAVE TO FINISH THIS TEST SOON

Biology
1 answer:
kondor19780726 [428]3 years ago
6 0
Nuclear Fission is when a large nucleus splits into two smaller nuclei with the release of energy. In other words, fission the process in which a nucleus is divided into two or more fragments, and neutrons and energy are released.
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suppose you are studying a fruit fly's DNA and you discover a gene for antenna length on chromosome 2. what word describes its l
soldier1979 [14.2K]

Answer:

<h2>In all flies,on the same Locus, on chromosome 2 at the same place you find the gene for antenna length.</h2>

Explanation:

In all fruit flies ,on the same  Locus, on chromosome 2 at the same place you find the gene for antenna length

All fruit flies contain same amount of gene and chromosomes, so the location of all gene in all fruit flies found at the same location.

A gene for antenna length in all fruit flies on chromosome 2 is present on same the location.

3 0
3 years ago
What do you think will happen if we continue to destroy the world's rainforests?​
AVprozaik [17]

Answer:

CO2 levels will dramatically increase as well as food level supply will decrease. Oxygen levels will decrease too.

Explanation:

 Plants take in CO2 and produce Oxygen. Without plants, they can't take in CO2, and it is a necessity for them to take it in. Plants would die. Food supply would decrease because plants produce glucose during photosynthesis. Glucose is a kind of natural sugar that will be lost. Plants produce fruits or vegetables, so if there are no plants then no food.

Hope this helps!

4 0
3 years ago
A researcher mixes M. tuberculosis with and without the rpoB mutation and adds the bacteria to cell cultures. Half the cell cult
kolezko [41]

Answer:

very few M. tuberculosis in the standard nutrient cell cultures carry the rpoB gene mutation, but almost all of the M. tuberculosis in the cell cultures with rifampin carry the rpoB mutation

4 0
3 years ago
What part of the brain is labeled 4 in the diagram
DedPeter [7]
There is no questions could you please do it again
4 0
3 years ago
In biological systems, there are several membrane transport systems responsible for the passage of ions like Na+ and K+.
dangina [55]

Answer:

The correct answer is: a. True.

Explanation:

There are several membrane transport systems responsible for the passage of ions like Na+ and K+.

Cell membranes are semipermeable, which means they can regulate which molecules may and cannot flow through them. Some molecules may simply drift in and out of a cell (this is called simple diffusion), while others require specific structures to enter and exit (this type of diffusion is called facilitated diffusion), and still, others require an energy boost to pass the cell membrane (this is known as active transport).

Both simple diffusion and facilitated diffusion are types of passive transport: they happen without the energy boost that ATP gives, unlike active transport.

In passive transport, molecules follow their chemical gradients and travel through the most concentrated compartment to the less concentrated one to equal the concentrations. In active transport, on the other hand, the cell makes an effort to enter or exit ions against their chemical gradients and this is done particularly to maintain said gradients (they are required for the correct functioning of the cell).

Sodium and Potassium are two of the most important ions when it comes to maintaining these gradients: sodium is very concentrated in the outside of the cells (the extracellular compartment), while potassium is highly concentrated in the intracellular compartment. These differences in concentrations are maintained thanks to the Na+/K+ pump, a form of active transport. Apart from the Na+/K+ pump, these ions go through the membrane through passive transport as well, without requiring energy.

6 0
3 years ago
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