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3 years ago

Which of the following explains why cells differentiate?

Biology

2 answers:

tankabanditka [31]3 years ago

4 0

Answer:

more cell types are needed to perform specialized functions in multicellular organisms

Explanation:

Cells in a multicellular organism differentiate to produce more cells that perform specialized functions. Each cell type in a multicellular organism has special features that enable it to perform a particular function effectively. In plants, cell differentiation occurs at the stem and root. The meristematic cells differentiate into either an epidermal, parenchymal or a vascular tissue depending on location.

Tatiana [17]3 years ago

4 0

Answer:

<u><em>The correct option is C) more cell types are needed to perform specialized functions in multicellular organisms</em></u>

Explanation:

Multicellular organisms are more complex as compared to unicellular organisms. To perform different functions, the multicellular organism requires different types of cells each specialized to perform its function.

The cells in an organisms body differentiate into specialized cells so that each cell can perform a specific function which is necessary for the maintenance of the multicellular organism. Hence, cells differentiate so that they can have the ability to perform specialized functions.

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Explain why reptiles and birds are placed in the same clade.

Andre45 [30]

Answer:

because they both have jaws, lungs, and claws or nails and they include some of the same common ancestors.

Explanation:

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3 years ago

A human offspring is a male if he inherits

scoundrel [369]

One Y and one X chromosome.

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3 years ago

Explain how human insulin can be produced using gene splicing.

Margarita [4]

Answer:

The gene for human insulin is inserted into the gap in the plasmid. this is done through the use of restriction enzymes and ligase to insert and close the plasmid. This plasmid is now genetically modified. The genetically modified plasmid is introduced into a new bacteria or yeast cell. The more the cells divide, the more insulin is produced as bacteria divides into two identical daughter cells like in mitosis.

Explanation:

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3 years ago

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HELP MEEEE PLS Hydroelectric power is produced using the energy of moving water.

Archy [21]

Answer:

C Water flowing downstream is held up in a reservoir behind a dam. Some water moves down channels through turbines connected to generators which produce electricity

Explanation:

Good explanation.

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3 years ago

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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