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Sedaia [141]
2 years ago
10

The active ingredient in which of the following drugs mimics a natural neurotransmitter?

Biology
1 answer:
Eduardwww [97]2 years ago
3 0

Answer:

b. marijuana is correct

Explanation:

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Animals store most of their excess energy reserves as_____,and this is explained because______.
Tatiana [17]
Fat; they store twice as much energy per gram
7 0
3 years ago
Cellulose-digesting microorganisms live in the guts of termites and ruminant mammals. The microorganisms have a home and food, a
Yuki888 [10]

Answer:

The correct answer is: mutualism

Explanation:

Mutualism refers to a relationship between two organisms, where both organisms benefit from the association. In this instance, the relationship between cellulose-digesting microorganisms and their hosts-  termites and ruminant mammals- is characterized by mutualism because both organism benefit from their association. The microorganisms benefit by getting their nutrition from the cellulose in guts of their hosts. Whereas, the hosts benefit from the cellulose-digesting microorganisms by getting help in digesting the cellulose they consume in their diet.

6 0
3 years ago
What are the mechanisms by which aneuploidy and polyploidy are caused? What are the mechanisms by which aneuploidy and polyploid
sleet_krkn [62]

The correct answer is:

The principal cause of aneuploidy is chromosome nondisjunction during mitosis or meiosis. Polyploidy in nature can result either from the duplication of euploid chromosome sets from a single species or from the combining of chromosome sets from different species.  

Aneuploidy is a phenomenon when there is the presence of an abnormal number of chromosomes in a cell (an extra or missing chromosome). Usually it appears as a result of improper cell division (chromosomes don’t separate) and it can cause many genetic disorders.

Polyploidy refers to a state when there are more than two sets of chromosomes (one from mother one from father). Triploid (three sets of chromosomes) and tetraploid (four sets of chromosomes) chromosomes are examples of polyploidy. This phenomenon is most common in plants.

5 0
3 years ago
In what part of the cell cycle does chromatin condense and form sister chromatids?​
Gnoma [55]

Answer:

prophase cells, ( ^_^ ) /

Explanation:

" parent cell into two identical daughter cells. During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. "

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME! (I will give the brainliest )
Bad White [126]

Answer:

i will help

Explanation:

sorry bye

4 0
3 years ago
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