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KIM [24]
3 years ago
5

Is the cell in the diagram Eukaryota or prokaryotic? Explain your answer using the defining characteristics of cells. Mention st

ructural features of the diagram that support your answer.

Biology
1 answer:
Tpy6a [65]3 years ago
6 0
That's a <span>Eukaryota, because it is a plant cell.</span>
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Boris Magasanik collected data on the proportion of each base in RNA from different species. To compare the relative amount of e
just olya [345]

Answer:

The nucleic acid is a macromolecule present in living systems in the form of either DNA or RNA, whose molecule consists of many nucleotides which are linked with each other to form long chains. The presence of DNA or RNA in an individual promotes continuity of life. The variability and complexity of nucleic acid are dependent on its constituent molecules as, sugar, a phosphate group, and a nitrogenous base. However, two monocyclic nitrogenous bases were classified purines (adenine:A, guanine:G) and pyrimidines (thymine:T, cytosine:C, and uracil:U).

In addition, RNA is a single-stranded structure which differs from DNA in two aspects, the sugar content of RNA is ribose, and pyrimidine base uracil replaces the thymine base of DNA. A ratio between two strands of DNA can be calculated by using Chargrff's rule which states that "DNA from any cell of all organisms possess a 1:1 ratio (base Pair Rule) of pyrimidine and purine bases'.

The purine to pyrimidine ratio in RNA with different bases is given below in the following table:

Presence of single strand in RNA does not follow chargaff's rule and alters the purine: pyrimidine ratio. The above ratio of each base in the given information is not equal, due to which the ratio of purines to pyrimidines is different. The ratio of DNA and RNA is not equal because DNA has its complementary DNA strand. However, bases in RNA might vary due to its single-strandedness property, but its ratio is dependent on the species.

Therefore, it can be concluded that the ratio of purines to pyrimidines is dependent on the species due to its genetic makeup. Hence, option (c) is correct.

7 0
3 years ago
How do I Construct a table to compare the products and reactants in photosynthesis and cellular respiration
katen-ka-za [31]

Explanation:

Create the column headings "Reactants" and "Products". The two row headings should be "Photosynthesis" and "Cellular respiration".

Before filling in the table, make sure you know what the products and reactants from photosynthesis and cellular respiration are.

Remember reactants are the 'before' on the left, and products are the 'after' on the right.

<u>Photosynthesis</u>:

CO_{2} + H_{2}O+light =>O_{2}+C_{6}H_{12}O_{6}

<u>Cellular Respiration</u>:

O_{2}+C_{6}H_{12}O_{6}=>CO_{2} + H_{2}O+ATP

See attachment for how the table could look.

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3 years ago
In cellular respiration what is the chemical produced that the cell can now use for energy
Natali [406]
ATP (adenosine triphosphate)
4 0
3 years ago
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A nursing team is short-staffed and extremely busy. an rn asks a nursing assistant to give a patient his afternoon medication. w
Irina18 [472]
A CNA, certified nursing assistant, can administer medication to patients. BUT this duty is subject to the level of experience and training of the CNA as well as the regulation of the state.

CNAs basically assist in the day-to-day care of patients like:
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2) serving meals and helping them eat
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3 years ago
_adds genetic variation,which is essential for evolution
olga nikolaevna [1]

Answer:

mutation

Explanation:

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