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sveticcg [70]
3 years ago
15

What would be the effect on a pregnancy if the placenta failed to begin function during the third month of gestation?

Biology
1 answer:
____ [38]3 years ago
5 0

D. The pregnancy could not continue.
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Evgen [1.6K]

Answer:

The last one

Explanation:

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An enzyme-catalyzed reaction was run at five different temperatures (trials 1-5). The results are shown in the data table above.
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It's the last one it's featured causing it to produce nothing at 70°c
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If a substance can be separated by physical means and it is not the same throughout, what is it? a heterogeneous mixture a homog
GenaCL600 [577]
<h2>answer:</h2>

a heterogeneous mixture

<h2>explanation:</h2>

A heterogeneous mixture is commonly any mixture that is not uniform in combination - it's a non-uniform mixture of smaller fundamental particles. Using different means, the particles in the mixture can be separated from one another. In a heterogeneous mixture, the elements do not mix completely, and the individual items that form the mixture can be identified. Heterogeneous mixtures can typically be separated back into their original components by chemical or physical means.

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3 years ago
Directions: Sort these words in these two categories.
denis23 [38]

Answer: Positive effects: Disease prevention, agriculture, transplants, pharmaceuticals

Negative: Herbicides, pesticides, mutations

Explanation:

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3 years ago
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If a mutation occurred that increased the number of exons in a sequence of DNA, what impact would this have on the protein forme
erastovalidia [21]

Answer:

See the answer below

Explanation:

<em>An increase in the number of exons in a sequence of DNA would result in another protein with a longer amino acid sequence.</em>

<u>Exons are the coding part of a gene as opposed to introns. After transcription, the non-coding part of the gene - the introns - are removed by splicing and the exons are joined back together. The final RNA that will undergo translation consists of only exons. </u>

The longer the exons in a gene, the more the codons present in the corresponding mRNA from the gene, and the more the number of amino acids that would be translated from the mRNA. A longer amino acid chain would result in a different protein.

Hence, a mutation that causes an increase in the number of exons in a sequence of DNA would result in a different protein with a longer amino acid sequence.

5 0
3 years ago
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