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AnnZ [28]
2 years ago
5

What’s the answer to this

Biology
1 answer:
rewona [7]2 years ago
3 0

Answer:

The answer is d

Explanation:

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When is the lac operon most active?
Vera_Pavlovna [14]

Answer: The correct answer to the question is option WHEN GLUCOSE LEVELS ARE LOW AND LACTOSE IS PRESENT.

Explanation: To start with,Lac operon can be simply defined as a part of the DNA that is under the part of the DNA is manipulated and controlled by the same promoter,they can be found in some prokaryotic cells giving room for regulation over excess synthesis of protein.so simply put,these specific segment of the DNA binds with the segment of the polymerase of RNA so that transcription of the mRNA from the operon genes will be achieved.

Lac operon is also known as lactose operon, it is seen in some enteric bacteria like e.coli where they play a crucial role in coding of genes for those proteins that function in moving lactose into the cystocel and digesting it to form glucose that is used for energy generation. These lac operon are are most active when glucose levels are low and lactose is present,with the low level of glucose, the lac operon can be transcribed to a high level,this is to ascertain that the bacteria only gets to activate the lac operon and can only make use of it,that is using lactose when all the preferred energy source from glucose has been exhausted.

6 0
3 years ago
How many animal cell are in the human body​
SIZIF [17.4K]

Answer:

Your body has different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common. In humans there are about 200 different types of cells and within this cells there are about 20 different types of structures or organelles.

5 0
3 years ago
Answer the following question:​
balandron [24]

Answer:

It becomes something like that

It becomes firm/turgid if it were an animal cell it would've burst but the cell wall prevents it from doing so.

3 0
2 years ago
2) Two zombies run and tackle a
pantera1 [17]
You can draw a free body diagram with two 250N forces acting on the human, one from each side. The net force is 0 because the two applied forces cancel each other out since they are in opposite directions.
5 0
3 years ago
You could distinguish a granum from an inner mitochondrial membrane because the granum, but not the inner mitochondrial membrane
goblinko [34]

Answer:

Answer ...... would have photosynthetic pigments.

Explanation:

In a short explanation, the collective term for the stack of thylakoids within the chloroplast of a plant cells is known as GRANUM.

Note that , chloroplasts are made up of the chlorophyll, which are the green pigments responsible for photosynthesis.

3 0
3 years ago
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