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3 years ago

The thermosphere is the hottest layer in the atmosphere because

Biology

1 answer:

Naddik [55]3 years ago

5 0

The ozone layer reflects the suns heat hottest layer in the atmosphere

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1) Which of the following explains why a bone in a bird's wing is homologous to a bone in a lizards leg? A) The bones in the two

dangina [55]

Answer:

The correct option is D) The two species have a common ancestor

Explanation:

In evolutionary studies, homologous structures can be described as structures which are similar in organisms of different species because they had a common ancestor in the past. These structures may not perform the same function but are similar because they arose from a common ancestor. Hence, the bone in a bird's wing can be homologous to a bone in a lizard leg because they have a common ancestor in the past.

5 0

3 years ago

Read 2 more answers

What can a negative consequence of humans being hunter-gatherers?

monitta

Answer:

Explanation:

4 0

3 years ago

Why wouldn't you use a steel core as an electromagnet?

kirill115 [55]

Answer:

this is because Steel is more difficult to magnetise and demagnetise but an iron core makes a temporary electromagnet because its lose its magnetism when the switch is open and and steel core is used to make a permanent electromagnet

6 0

3 years ago

Scientists use DNA sequencing to understand relationships among life on Earth. The chart illustrates differences between five sp

OlgaM077 [116]

Answer:

With respect to the differences in the DNA sequence of six species, including the human one, it is true that the DNA sequences may vary but the aminoacid sequences are identical.

Explanation:

Options for this question:

The DNA sequences may vary but the amino acid sequences are identical.
The nitrogen bases in the nucleotides must also be different in each.
The process in producing additional DNA, replication, is identical in all six.
The process of producing DNA, or replication, varies due to the differences in the DNA codes.

The different species that exist have specific genomes for each of them, this is the genetic information contained in the DNA varies from one species to another, as can be seen in the scheme (see image). However, the genetic code is universal, and does not vary from one species to another.

The genetic code is found in the RNA molecule and is a sequence of nucleotides that, organized in triplets (codons), are responsible for the synthesis of specific amino acids. An RNA molecule contains the information necessary for protein synthesis.

The scheme shows the differences of five species with respect to the human, based on the respective DNA sequences. But what it does not show is a universally accepted truth, that the nucleotide sequence encoding an amino acid is the same for each of these species.

Learn more:

Genetic code brainly.com/question/15338

3 0

3 years ago

Which organelle is primarily responsible for converting glucose to atp? *.

Free_Kalibri [48]

Answer:

The mitochondria is primarily responsible for converting glucose into ATP.

Hope this helps! :)

3 0

2 years ago