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Brut [27]
3 years ago
12

A fiddlehead develops into what plant part?

Biology
1 answer:
Vlad1618 [11]3 years ago
6 0

Answer: Fiddleheads or fiddlehead greens are the furled fronds of a young fern, harvested for use as a vegetable. Left on the plant, each fiddlehead would unroll into a new frond (circinate vernation)

Hope this helped and consider brainleist

:D

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which scientist created test that helped confirm that bacteria and other microorganisms cause a variety of diseases
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Answer:  Louis Pasteur

Louis Pasteur in 1860s, proposed germ theory. The theory was based upon the fact that diseases are caused by the microorganisms. He was officially the first to publish his work.

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3 years ago
When a person has linked a neutral stimulus and an unconditioned stimulus so that now the neutral stimulus triggers the conditio
kramer

When a person has linked a neutral stimulus and an unconditioned stimulus so that now the neutral stimulus triggers the conditioned response, <u>acquisition</u> has occurred.

<u>Explanation:</u>

A trigger that in the beginning causes no specific answer other than attention concentration is understood as "a neutral stimulus". In operant conditioning the neutral stimulus becomes a conditioned stimulus when used in combined way with an unconditioned stimulus.

Now let us say, for instance, you need to take your child to the pediatrician for a shot. The pediatrist hits a buzzer before the shot to call her nurse to come in and help her conduct the vaccine. Here the buzzer's noise is the neutral stimulus, as it generates no reaction from the infant, but the child knows that.

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3 years ago
Which of the following statements about positive feedback mechanisms is not true?
ElenaW [278]
"Positive feedback mechanisms lead to increased change" is the statement about <span>positive feedback mechanisms </span>among the choices given in the question that is not true. he correct option among all the options that are given in the question is the third option or option "c". I hope the answer has helped you.
7 0
2 years ago
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During the process of _____, two rails or sides break apart and pair up with RNA nucleotides, assembling mRNA.
icang [17]
Hey friend!
You stuck?

Replication is the process of DNA formation while Transcriptions is the process of RNA formation from DNA.


Hope this helps!
7 0
3 years ago
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Allergens differ from antigens because ________. Allergens differ from antigens because ________. allergens do not involve the l
Vera_Pavlovna [14]

Answer:

Allergens differ from antigens because *they do no stimulate the immune system resulting in the production of leukocytes rather than the stmulate the IgE antibodies*

Explanation:

Allergen and antigen are both foreign substances that can cause certain disorders to animals, but there is some difference between them in terms of their nature and the diseases caused by them. An allergen is a nonparasitic foreign substance that can cause certain immune reactions in the body when it enters the body.  Whereas, an antigen is a foreign substance that can trigger the immune system to produce a specific immune response. This immune response leads to produce antibodies that can neutralize or destroy the foreign substances that entered the body.

Allergens can produce Systemic Allergic Response. Allergens stimulate the IgE antibodies by binding to them on the mast cells and causing the mast cells to rupture and release histamine, serotonin, and heparin, initiating inflammatory response.

4 0
3 years ago
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