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kompoz [17]
3 years ago
5

Please help! (\_/) 10 pts

Biology
1 answer:
Dmitrij [34]3 years ago
6 0

Answer:

Genes, chromosomes, and nucleus

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Pablo and Johanna have to do a yearlong study for their biology course. After some discussion, they decide to try comparing thei
forsale [732]

Answer:

possible differences resulting from using two different breeds of dog

Explanation:

The question above presents a scientific experiment carried out by students Pablo and Johanna from the biology course. In this experiment, they both compare the results of different diets on their dogs. Up to this point, the experiment was being established correctly, since the variables independent (the composition of the dogs' diet) and dependent (the influence of the diet on the dog) were defined. However, these students made a mistake in using dogs of different breeds.

In an experiment, everything must be very controlled and the treatments must be exactly the same. In the above case, the dogs are the treatments and the fact that they belong to different breeds, means that the results of the experiments can present significant differences, not providing a correct conclusion of the experiment.

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3 years ago
Which statements are true about variations in the genetic code?
Murrr4er [49]

Answer:

<u>C) They may provide selective advantages. </u>

<u>D) Slight differences in the genetic code may have significant results.</u>

Explanation:

The genetic code is universal, and present in most living beings . Generally, in most living organisms, the same codons are assigned to the same amino acids.  

DNA sequences make up genes that may have multiple variants, called alleles. DNA deoxyribonucleic acid, is transcribed into mRNA and then translated into amino acids that form proteins.

Natural selection mainly acts on phenotypes, which are dependent on proteins and the organisms's environment.  Phenotypes conferring advantageous traits are favored by the selection process- these help groups of organisms evolve over time.

3 0
3 years ago
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4) How does climate affect ecosystems and the life within them?
dlinn [17]

Answer:

Explanation:Climate is an important environmental influence on ecosystems. Changing climate affects ecosystems in a variety of ways. For instance, warming may force species to migrate to higher latitudes or higher elevations where temperatures are more conducive to their survival.

4 0
3 years ago
Which part of an amino acid is the only one that varies and is what defines the properties
ahrayia [7]

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D

Explanation:

3 0
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Which phrase accurately characterizes sexually transmitted infections (STIs)?
enyata [817]

Answer:

Are caused by bacteria viruses or parasites

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not all cause visible symptoms

it would not be a sexual transmitted infection if not caused by sexual contact

STIs can be contracted by men and women

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3 years ago
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