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Cloud [144]
3 years ago
11

6. A sequence of three unpaired nucleotides in a mRNA molecule is called

Biology
1 answer:
Sidana [21]3 years ago
4 0

Answer:

codon

Explanation:

A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis.

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What is biochemistry?
erica [24]

Biochemistry is the study of the chemical processes occurring in living matter.

5 0
3 years ago
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Determine whether each of the following is a characteristic of the life cycle of a seed plant, a seedless plant, or both. Double
Gnoma [55]

Double fertilization-plants with seeds (flowering plants), two male gametes joining with female gametophyte

Gametophyte generation-both (haploid, sexual stage stage-gametophyte, and the diploid stage that produces spores – sporophyte)

Endosperm formed-plants with seed because it is a tissue formed inside the seed which surrounds the embryo and provides nutrition

Mitosis-both (mitosis occurres in spores)

Spores develop into gametophytes-both but, in seedless plants sporophyte produces spores that will develop into a new organism (multicellular gametophyte) using mitosis, while spores of seed plants are produced internally and develop into more complex structures.


7 0
2 years ago
What is the best explanation if the gel of your PCR product shows smeared bands of multiple sizes? Select one:
trapecia [35]

Answer:

e. None of the above

Explanation:

For me as a Researcher, the reason could be increased Concentration of your DNA sample which you are using as your template. Try to decrease the concentration of DNA (up to 100 ng per reaction is enough and can increase up to 200 ng). so the reason for getting non specific bands is increase concentration of DNA  which results in non specific amplification and also degradation of DNA in the reaction which you can see in your gel electrophoresis results.  

i always corrected my results using the same technique that is lowering the concentration of DNA between 100 and 200 ng per single reaction of PCR.

8 0
2 years ago
HELP ! BIOLOGY! sorry my screen is hard to read but i need help with these two questions please !
kirill [66]

Answer:

2) B

3) D

I believe that these are the answers, I hope this helps!

3 0
2 years ago
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In flies, red eyes (r) are dominant to brown eyes (r). a heterozygous fly is crossed with homozygous recessive fly.
nadezda [96]

<u>50%</u>  of offspring will have brown eyes

Explanation:

A heterozygous individual will have the genotype <em>Rr </em>while an individual who is homozygous recessive will have the genotype <em>rr.</em> A cross between the two will result in offspring with phenotype <em>Rr</em> and <em>rr</em> in the ratio of 1 : 1. This can be observed from the Punnet square attached.  The same is the case for the phenotype. The ration of brown eyes to red eyes will be approximately 1 : 1

7 0
2 years ago
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