The products of photosynthesis are the

Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, these bones having develo

kobusy [5.1K]

Answer:

The biologists clarify these similarities as a homologous pair. This is based on the principle of convergent evolution.

Explanation:

Convergent evolution is understood by the phenomenon of development of similar organs in different species in different period. Those homologous pair have same structure but can have different function in the different species of organism. 

The bone of human arms, wings of the bat and dolphin flippers contain many of same bones which have developed from the same embryo tissue but the function for each is different in different species.

5 0

3 years ago

Viral DNA makes mRNA by the process of _____. Viral DNA makes mRNA by the process of _____. replication infection translation ly

Pachacha [2.7K]

<h2>The correct answer is: Transcription.</h2>

Explanation:

Viruses do not possess any machinery necessary for the purpose of their reproduction.
They only possess their genetic material enclosed within a capsid structure.
The capsid is constituted of glycoproteins.
They completely depend upon the components and organelles of the host cells whom they infect to help them carry out their reproduction process.
After infecting a host cell, the viruses hijack all the machinery and components of the host cell and use them for the purpose of transcribing their genetic material (DNA or deoxyribonucleic acid) to produce the virus-specific mRNAs (messenger Ribonucleic Acid).
These mRNAs are further translated into virus-specific proteins using the host-specific Ribosomes. These virus-specific proteins are required for replicating the viral genetic material and producing the capsid structure.
The virus-specific proteins and glycoproteins are synthesized by utilizing the raw materials from the host cells.
Transcription is the process by which an enzyme called RNA polymerase or DNA dependent RNA polymerase copies the protein coding region of the DNA (gene) in the form of an RNA sequence (mRNA).
The synthesis of the mRNA happens in the 5' to 3' direction. This mRNA is further recognized and converted into the amino acid sequence with the help of the Ribosome.
The amino acid sequence folds to give rise to the protein.

3 0

3 years ago

Which is an example of a plant with true roots? A) algae B) ferns C) liverworts D) moss

fredd [130]

Answer: B) ferns

Algae, liverworts and moss are examples of plants with no real stems, leaves or roots and are also known as nonvascular plants. Plants with true roots are known as vascular plants. Vascular plants have real roots, stems and leaves and contain vascular tissues.

5 0

3 years ago

Select THREE examples of pure substances.

Svetlanka [38]

Answer:

it would be C, D, E

A is a mixture

B is a mixture

C is a pure substance because Oxygen gas by the chemical symbol O2, is strictly pure

D is pure substance because Gold is one of the basic elements found naturally in nature, and as such, in its pure form

E is a pure substance because Both ice and liquid water are the same substance. H2O Though ice water is a mixture of both solid and liquid it is a pure substance, based on the molecular structure of its components .

F is a mixture

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