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#Question id: 17082


What is an Aminopterin

#XL - R Botany
  1. Derivative of folic acid
  2. Vitamin A
  3. Competitive inhibitor of DHFR
  4. Both A &C

Answer:- Option(s): 4


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#Question id: 11578

#XL - T Zoology

During a stressful interval, ________.

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#Question id: 11579

#XL - T Zoology

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.

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#Question id: 11580

#XL - T Zoology

Melatonin is secreted by the ________.

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#Question id: 11581

#XL - T Zoology

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

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#Question id: 11582

#XL - T Zoology

Following a stressful stimulus, the fight-or-flight response will cause ________.

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#Question id: 11583

#XL - T Zoology

Use the figure to answer the following question.


In an experiment, rats' ovaries were removed immediately after impregnation, and then the rats were divided into two groups. Treatments and results are summarized in the table. The results most likely occurred because progesterone exerts an effect on the ________.

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