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Allisa [31]
3 years ago
14

14 How does water form during cellular respiration?

Biology
2 answers:
Monica [59]3 years ago
8 0

Answer:

Oxygen is reduced, gaining electrons and hydrogen ions. -second choice

sveticcg [70]3 years ago
3 0

Answer:

Oxygen is reduced, gaining electrons and hydrogen ions.

Explanation:

Water forms during cellular respiration because oxygen is reduced, gaining electrons and hydrogen ions.

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Part A: A scientist examines a fruit fly gene involved with the regulation of body development. A section of the DNA sequence fo
Leokris [45]

Answer:

Part A: Thr-Leu-Val

Part B: ACC-UUG-GUU

Explanation:

When you transcribe a DNA sequence to mRNA, you need to remember that in RNA there is no Thymine (T), instead it has Uracil (U). So the base pairings would be like this compared to DNA base pairing:

DNA                RNA

A-T                  A-U

T-A                  T-A

C-G                 G-C

G-C                 C-G

Given the sequence the transcription will be as follows:

DNA :   TGG - AAC - CAA  

mRNA: ACC - UUG - GUU

Next, to translate it into amino acids, you will use the chart. Now amino acids pair in codons (3 base pairs at a time).  Let's take the first codon in your sequence:

ACC

1st  2nd   3rd

 A     C       C

Using the column on the left, find the row that matches it, so in this case A.

At the very top, there is another row of letters, looking at the row of A only, look for the column of the second base which is C.

Lastly, look at the right most column and find the letter that matches the third base within the box where A and C intersect. In this case, C is your third base.

The amino acid where all three intersect is your first amino acid which is Thr.

Just do this for the next codons and you will come up with the answer.

4 0
3 years ago
Read 2 more answers
When is a recessive allele expressed?
Andreas93 [3]

Answer:

when an organism is homozygous at the locus

Explanation:

8 0
3 years ago
Mention four major materials used in collecting animals and their uses​
4vir4ik [10]

Answer:

in collecting animals or specimen

6 0
3 years ago
Which are the possible genotype combinations for their offspring? Check all that apply
Keith_Richards [23]

Answer:

There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.

Explanation:

4 0
3 years ago
In the history of Earth and the evolution of cells, aerobic cells appeared first and anaerobic cells appeared later.
Andreas93 [3]

Answer:

False

Explanation:

Scientist believe that the primitive atmosphere lacked free oxygen. Oxygen is a highly reactive molecule that would have made difficult for complex macromolecules to appear and then create life.  Rocks from the precambrian period support this theory.

Anaerobic cells appeared first, then photosynthesis appeared filling the atmosphere with oxygen and the aerobic organism develop cellular respiration to obtain energy, a process more efficient than anaerobic respiration.

4 0
3 years ago
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