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zlopas [31]
3 years ago
5

What is shown in the image below?

Biology
1 answer:
Temka [501]3 years ago
6 0

Answer:

There is no image shown

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How does a mutation in the DNA affect the way proteins are made?
Vikentia [17]

Explanation:

B.) A mutation in the DNA results in a change in the mRNA and, ultimately, to a different protein structure.

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells.

During the process of cell division, spontaneous changes within the genome can arise. These mutations are errors occur when copies of the DNA within the cell are made; mutations may range from small changes called single nucleotide polymorphisms, to large scale deletions, and additions which span multiple genes. There are two types:

  • somatic: these only occur within certain cells, and arise from environmental factors such as UV light
  • hereditary: occur within germ cells of the parent and later the fertilized egg which forms a zygote; these are present within all cells of the new organism.

Nucleic acids are comprised of smaller units called nucleotides and function as storage for the body’s genetic information. These monomers include ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). They exist solely to encode and carry out protein synthesis.

The message on DNA, called genes is copied by RNA polymerase, to form mRNA complementary sequence to that of the DNA strand in transcription. These are then translated into proteins in ribosomes. Mutations in DNA sequences affect the corresponding mRNA and thus the protein encoded.

They are maintained within cells, as they form new traits called alleles, which may confer adaptations that increase the fitness of a species, along with ensuring survival by conferring a protective advantage.

<em>e.g. sickle cell anemia, a disease caused by a mutation, confers protection against the disease malaria.</em>

Learn more about mutations at brainly.com/question/4602376

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

4 0
3 years ago
Which statement is not true of introduced species?
3241004551 [841]
I would need to see the statements to be able to help. sorry ;(
7 0
3 years ago
Read 2 more answers
Whats the similarity between biosphere and ecosystem
Airida [17]
<span>As well as being the parts of Earth (or a different planet) where living organisms are, ‘biosphere' can also refer to man-made structures that contain various ecosystems. Ecosystems are systems where living organisms interact with the non-living things in their environment to survive. Both ecosystems and biospheres refer to living things.</span>
3 0
2 years ago
Read 2 more answers
Most proteins in present-day mitochondria are made by cytoplasmic ribosomes from mRNA transcribed from nuclear genes. Can this f
igor_vitrenko [27]

Answer:

Yes; this difference from bacteria is unimportant, because the many similarities between bacteria and mitochondria provide sufficient evidence in favor of the hypothesis.

Explanation:

The passage speaks about the protein synthesising ability of bacteria and mitochondria. The bacteria are single-celled microorganism and they are prokaryotic. They lack membrane bound organelles such as mitochondria. But both mitochondria as well as the bacteria has certain similarities.

The structural similarities between the cell organelle and the organism shows favourable evidence that most proteins in present-day mitochondria are made by cytoplasmic ribosomes from mRNA transcribed from nuclear genes.

4 0
3 years ago
Which of the following pairs are ANALOGOUS?
Nataliya [291]
Humans arm and bird wing
5 0
2 years ago
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