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Diano4ka-milaya [45]
3 years ago
13

What type of radiation constitutes the basis for setting an SPF rating? p

Biology
1 answer:
Molodets [167]3 years ago
5 0

Answer:UV radiation

Explanation:

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The lac operon in E.coli regulates genes that code for enzymes required for breakdown of lactose. The lac operon is____ operon t
user100 [1]

Ans.

Lac (lactose) operon in a type of bacterial operon, which shows a cluster of genes that are regulated by a single promoter. It is composed of an operator, promoter, a terminator, and three structural genes (lacA, lacY, and lacZ), which are responsible for the transport and breakdown of lactose.

The lac operon is an inducible operon as it gets activated in the presence of lactose and expressed its functional genes in the form of proteins (or enzymes) for lactose metabolism.  

Thus, the correct answer to be fill in first blank is 'inducible' and in second blank is 'lactose.'

8 0
3 years ago
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Prokaryotic DNA is enclosed within a nucleus, while eukaryotic DNA is not.<br>O True<br>O False​
blagie [28]

Answer:

False

Explanation:

Prokaryotes do not have a nucleus.

This means their DNA is not enclosed in a nucleus and instead is in the cytoplasm.

On the other hand, eukaryotes have nuclei, so their DNA is enclosed within a nucleus.

So, this statement is false.

3 0
3 years ago
2 students are experimenting to see if the amount of water affects who quickly it heats to 100*C. They decided to heat one beake
marysya [2.9K]
A because if you add and do the equation to all the cups
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2 years ago
To take the grime off a copper penny, mix:
jeyben [28]

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Protein. i learned in in 8th grade.

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