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Juliette [100K]
3 years ago
12

In contrast to bacterial cell walls that contain peptidoglycan, eukaryotic cell walls are constructed of either ________.

Biology
1 answer:
Anna [14]3 years ago
6 0
<span>Bacterial cell walls are different from the cell walls of plants and fungi which are made of cellulose and chitin, respectively. The cell wall of bacteria is also distinct from that of Archaea, which do not contain peptidoglycan.</span>
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Negative feedback: If blood delivery is low, the heart rate should <br>A. Increase <br>B. Decrease​
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Answer:

I believe the answer is A. increase

Explanation:

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What field includes CAT (computerized axial tomography) scans and MRI (magnetic resonance imaging) scans as diagnostic tools?
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Radiology is the filed that includes CAT (computerized axial tomography) scans and MRI (magnetic resonance imaging) scans as diagnostic tools.

Radiology is the science that uses x-rays or other forms of energy to create images for diagnosis. It can also be used for therapeutic intent. It has a variety of techniques such as x-ray imaging, ultrasound, MRI, CT scan and PET imaging. The acquisition of images is done by the radiographer or also known as radiologic technologist. These images are then interpreted by a diagnostic radiologist, a doctor who is trained to read or interpret the images and produce a report of their findings and impression or diagnosis.
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Which process causes Earth to lose thermal energy to space?
geniusboy [140]
I believe it would be Heat Radiation
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Which of the following is not a factor that has contributed to agricultural success in the US? A. expansive infrastructure and m
Tema [17]

Controlled population growth.

Explanation:

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US does not have a controlled population growth because if not the birth rate then  migration of people to US is a major concern for that country. Thus, this will be a correct choice for the given question.

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Need help with these questions answer what you can
OlgaM077 [116]

Answer 1:

The mutation shown is point mutation.

A point mutation can be described as a type of mutation in which only a single nucleotide of a sequence is either:

  • changed
  • added
  • deleted

The addition of the single nucleotide will cause the entire open reading frame to be changed. The amino acid sequence will change entirely from the position where the insertion mutation occurs. This is because the code for making amino acids works on a three base pattern. The reading of the three bases will be altered completely by the addition of just a single nucleotide.

Answer 2:

No, the resulting protein will not be altered.

The genetic code occurs in a linear sequence with triplet format. The change in a single base will cause the wrong amino acids to be formed. However, if the different code is common for the same amino acid then there will be no effect on the amino acid being formed.

<em>For example, the code GUA makes the amino acid Valine. If a mutation occurs and the code becomes GUU instead of GUA, then the resulting amino acid formed will also be Valine. Hence, there will be no alternation in the formation of the protein.</em>

Answer 3:

Melanoma cancer is the type of skin cancer which is associated with cancer from sun light. It is mainly caused due to the harmful ultraviolet rays which act as a mutagen.

<em>The mutations might keep coming back because although the growth have been removed, the other skin cells of the body might still have the mutation in them. As a result, growth will be seen again in the skin cells which might occur again and again. </em>

<em />

Explanation:

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