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Luda [366]
2 years ago
10

The effect that acid rain has no soil also ends up affecting aquatic life True or False

Biology
2 answers:
Shkiper50 [21]2 years ago
7 0
True have a good day 
svp [43]2 years ago
6 0

Answer:

The answer is true

Explanation:

We just went over it in my class!!!! Have a good day

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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
2 years ago
Elements are classified on the periodic table of elements, it can be classified as:
Damm [24]
Metals, non metals, and metalloids
4 0
3 years ago
Why are elephants' traits are changing over time.
Ksju [112]

Answer:

because they adapt and change by learning new behavioral traits and develop new physical traits

Explanation:

6 0
3 years ago
A man is 1.7 m long. An amoeba is 17 um long. How does the length of the
grandymaker [24]
A man is 100,000 times larger in micrometers than the amoeba, since 17 micrometers is 0.000017 meters, and 1.7 meters is 1,700,000 micrometers
5 0
2 years ago
In guinea pigs, the color of the fur is determined by a single gene with two alleles control. The brown allele (B) is dominant o
Kipish [7]

Answer:

See

Explanation:

Given:

Brown allele (B) is dominant over the white allele (b).

It will be assumed that the alleles are not related to the X and Y chromosomes.

See attached diagram for details of the general case (for both homo-zygous and hetero-zygous parents)

For both parents hetero-zygous,

P1:

Genotype: Bb (100%)

Phenotype: brown (100%)

F1:

Genotypes : BB, Bb, bB and bb in equal proportions, i.e.

BB (25%), Bb (50%), bb (25%)

Phenotypes: 75% brown (from BB and Bb), 25% white (from bb)

8 0
3 years ago
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