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Crank
3 years ago
5

How do you know how old a tree is?

Biology
2 answers:
LenaWriter [7]3 years ago
3 0
By the number of rings inside the trunk
enot [183]3 years ago
3 0
Count the rings in the inside of the tree. Unfortunately this can't be done without cutting the tree.
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A therapist at a free university clinic treats elementary school children with behavior problems who are referred by a social se
Ivanshal [37]

Answer:

The correct answer is - option A.

Explanation:

The parental permission is necessary to according the law in behalf the children for their participation in a clinical research or their clinical therapy data or records in a clinical therapy.

The best answer among all of the options is option a that is that parental permission is required due to the chances of the children might experience the pressure of the prior relationship with the therapist.

Thus, the correct answer is - option A.

6 0
3 years ago
What is glucuronidation in the liver function.
AnnZ [28]

Glucuronidation, a conjugation reaction, is thought to protect the liver by both reducing hepatic BA toxicity and increasing their urinary elimination. The present study evaluates the contribution of each process in the overall BA detoxification by glucuronidation.

4 0
3 years ago
How do researchers prepare an intron-free copy of a eukaryotic gene for use in creating transgenic bacteria?
Tcecarenko [31]

The researchers prepare an intron-free copy of the eukaryotic gene for the use in creating the transgenic bacteria by using the reverse transcriptase to make the cDNA from the mature mRNA

The structure of the eukaryotic genes. Most of the eukaryotic genes are contain the segments of the coding sequences (exons) that interrupted by the noncoding sequences (introns). Both the exons and the introns are transcribed to yield a long and primary RNA transcript.

Eukaryotic DNA is the linear, compacted into the chromosomes by the histones, and has the telomeres at each end to protect from the deterioration. The Prokaryotes contain the circular DNA in addition to the smaller, transferable DNA plasmids. Eukaryotic cells contain the mitochondrial DNA in the addition to the nuclear DNA

To know more about eukaryotic gene visit:

brainly.com/question/28297163

#SPJ4                                                                    

3 0
2 years ago
which is an abiotic factor that functions as a limiting factor for the autrophs in the ecosystem below?​
dolphi86 [110]

Answer:

i hope it helps you

Examples; of biotic factors include any animals, plants, trees, grass, bacteria, moss, or molds that you might find in an ecosystem.

Explanation:

In general, biotic factors are the living components of an ecosystem and are sorted into three groups: producers or autotrophs, consumers or heterotrophs, and decomposers or detritivores.

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3 0
3 years ago
Where did the carbon in all living things on earth come from?
soldier1979 [14.2K]

Answer:

So where then did all the carbon that living organisms are built of come from? It turns out that most of the carbon we use today came from a collision with another smallish planet about 4.4 billion years ago.

8 0
2 years ago
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