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Natalka [10]
3 years ago
12

The line between the footprints in the upper left hand corner, is the animals what?

Biology
1 answer:
artcher [175]3 years ago
3 0

Answer:

Explanation: pinke

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What two macromolecules make up ribosomes?
Anettt [7]
Protein and Ribonucleic acids. 
3 0
3 years ago
Note that the lac enzyme continues to be produced even in the absence of lactose. Why is this a problem? Try dragging the lac op
aniked [119]

Answer:

If the lac enzyme continues to be produced even in the absence of lactose, the cell will be expending energy unnecessarily and this will be a problem for the supply of energy for other metabolic processes.

If the lac operator gene is dragged to any stretch of DNA, that gene may provide an inadequate reading generating a mutation.

Explanation:

The lac operon is an essential molecule for the transport and metabolism of lactose in microorganisms. This molecule has a fundamental function in the life of these single-celled organisms and must be synthesized immediately when lactose is present in the organism, however, its synthesis must be stopped as soon as the lactose is metabolized, otherwise the cell can spend energy unnecessarily preventing others Metabolic processes take place, which is a big problem if you only have one cell.

In addition, if for some reason, the lac operon gene is dragged on the DNA strand, an incorrect reading of the DNA bases can occur, which can cause mutations.

4 0
3 years ago
A cat is discovered with a very short tail. what would prove that this change was caused by a genetic mutation and not because t
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4 0
3 years ago
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2. Two organisms would be most closely related if both have the same classification in which of the following groups?
raketka [301]

Answer: D. Species

Explanation:

Species is a group of population in which organisms have many common characteristics and they are capable of interbreeding and producing viable fertile offsprings. The members belonging to the same class and phylum have less common characteristics if they interbreed they may not produce viable fertile offsprings. Also, the organisms of the same kingdom have least common characteristics and will not have viable fertile offsprings after interbreeding.

3 0
3 years ago
Apply the principles of diffusion to explain what will occur after placing a dyed sugar cube in a beaker of water
snow_lady [41]

The molecules in the sugar move from an area of higher concentration (sugar cube) to an area of lower concentration in the water.

That is exactly what diffusion is: the net movement of molecules or atoms driven by a gradient , which means that it doesn’t requires energy.


7 0
3 years ago
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