Check all ways below to ensure that the bases in rna are properly paired. make sure the letter t is substituted for the letter u. make sure the letter u is substituted for the letter t. make sure that a matches u and that c matches g.

The right answer are B (it means the letter U will replace the letter T) and C.

RNA (ribonucleic acid) is obtained from DNA through transcription.

RNA is complementary to the template strand of the DNA (antisense strand), according to Watson and Crick pairing rules (AU / T and CG) and is therefore identical to the coding strand of the DNA (sense strand), the riboses and uraciles (present only in RNA).

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explanation:

b r

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"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."