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Lena [83]
3 years ago
10

What does 3 and 4 refer to in 3nh4

Biology
1 answer:
Luba_88 [7]3 years ago
4 0
3 and 4 represent the coefficients
Hope that Helps!!!
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how does tobacco smoke effect the body? a.it blocks hemoglobin from binding to oxygen, thus affecting gas exchange in the lungs
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The answer is d: all of the above! Hope this help!
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3 years ago
For the same cross: BbTt x bbTt a. Using the Probability Method illustrated in lecture, break the complex two-gene cross into tw
shutvik [7]

Answer and Explanation:

cross: BbTt x bbTt

<u>Cross for B gene</u>

Parental ) Bb   x   bb

Gametes) B   b   b   b

Punnet square)  B     b

                  b     Bb    bb

                  b     Bb    bb

F1) Genotypic proportion: 2/4=1/2 Bb : 2/4=1/2 bb

     Genotypic ratio 1:1

     Phenotypic proportion: 2/4=1/2 B- : 2/4=1/2 bb

     Phenotypic ratio   1:1

<u>Cross for T gene</u>

Parental ) Tt   x   Tt

Gametes) T  t     T   t

Punnet square) T       t

                  T     TT    Tt

                  t      Tt    tt

F1) Genotypic proportion 1/4 TT

                                          2/4 Tt

                                          1/4 tt

     Genotypic ratio  1 : 2 : 1

      Phenotypic proportion: 3/4 T-

                                              1/4 tt

     Phenotypic ratio 3 : 1

3 0
3 years ago
URGENT!!
galben [10]

Answer:C

Explanation:

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Which gastrointestinal hormone stimulates secretion of the components of hydrochloric acid?
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Acid-laden ingesta flows out of the stomach, into the small intestine. Acid in the small intestine stimulates secretion of the hormone secretin<span> from endocrine cells in the intestinal epithelium.</span>
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Question 1): Photosynthesis and cellular respiration are often described in two ways: 1) they are chemically opposite; and 2) th
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mzkaknsjsjdh and I have a good day at school and I have no idea how much I owe you for all your hard and I we are going to khow hasgot and decor is a lot more than to khow hasgot is a good time to khow

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