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3 years ago

When does the conceptus start to use its own mrna to direct protein synthesis?

1 answer:

ozzi3 years ago

5 0

Most genes contain the information needed to make functional molecules called proteins. (A few genes produce other molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation. Together, transcription and translation are known as gene expression.

During the process of transcription, the information stored in a gene's DNA is transferred to a similar molecule called RNA (ribonucleic acid) in the cell nucleus. Both RNA and DNA are made up of a chain of nucleotide bases, but they have slightly different chemical properties. The type of RNA that contains the information for making a protein is called messenger RNA (mRNA) because it carries the information, or message, from the DNA out of the nucleus into the cytoplasm.

Translation, the second step in getting from a gene to a protein, takes place in the cytoplasm. The mRNA interacts with a specialized complex called a ribosome, which "reads" the sequence of mRNA bases. Each sequence of three bases, called a codon, usually codes for one particular amino acid. (Amino acids are the building blocks of proteins.) A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time. Protein assembly continues until the ribosome encounters a “stop” codon (a sequence of three bases that does not code for an amino acid).

The flow of information from DNA to RNA to proteins is one of the fundamental principles of molecular biology. It is so important that it is sometimes called the “central dogma.”

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A patient is in an urgent care center and is receiving treatment for mild hyponatremia after spending several hours doing garden

lyudmila [28]

Hyponatremia occurs in an individual when the person has low sodium level in his or her body. In order to have the patient to get his sodium levels back to normal, drug therapy would be used. The nurse should treat the condition with drug therapy through oral administration of the sodium chloride tablets as oral ingestion of tablets is much effective in situations like this.

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4 years ago

. Which of the following statements is true? Symmetric encryption is faster than asymmetric encryption, and it can be used to pr

romanna [79]

Answer:

Symmetric encryption is faster than asymmetric encryption, but it cannot be used to provide non-repudiation of contracts.

Explanation:

Symmetric encryption is a type of encryption where only one key (a secret key) is used to both encrypt and decrypt electronic information. Symmetric encryption uses a single key that needs to be shared among the people who need to receive the message while asymmetrical encryption uses a pair of public key and a private key to encrypt and decrypt messages when communicating. Symmetric encryption cannot be used for non-repudiation because the key is shared by both parties, making it difficult to prove who created and encrypted the document.

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3 years ago

Polytechnic traits are determined by multiple ______received from each parent.

horsena [70]

Answer:

genes

Explanation:

7 0

3 years ago

Read 2 more answers

please match the following nutritional types with the statements that most accurately describe them, to test your understanding

svetlana [45]

Autotroph: a creature that obtains its carbon from inorganic carbon dioxide

Chemotroph: an organism that obtains energy from chemical substances-Heterotroph: an organism that must receive its carbon in an organic form

Phototroph: an organism that produces energy from sunlight

The term "primary nutritional groups" refers to a category of creatures that are separated into subcategories based on the sources of carbon and energy that they require for survival, growth, and reproduction. Carbon can come from organic or inorganic sources, and energy can be derived from either light or chemical molecules. ATP, carbs, or proteins are used to store the liberated energy as potential energy. The energy is eventually put to use for activities essential to life, like movement, growth, and reproduction.

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6 0

1 year ago

PLEASE HELP

Svetllana [295]

Answer:

bye for now I guess , see ya

Explanation:

One of the reason before why people worship idols is because at that time there was kind person who is a pious or a prophet at that time who tell to a nation about goodness and about God to worship god alone and to follow the law of god. after there died, people of the nation miss them so much until there make a idols of them so that there remember him and to remember of the good teaching about the law of god. by time to time after the new generation of the nation there don't know much about the idols that their father Glorify them so there start worshipping the idols for goodness like their father do before. After time by time their worship the idols and claim the idols is the god of them. This happen not in one nation but to a many nation before that have different language in a different places that each places god send for them a prophet with their language on this world before. And after time by time people change the teaching and the message of the prophet. Until god send the last final prophet for the hole humankind that is prophet Muhammad peace be upon him.

1) In islam have to believe that Jesus peace be upon him is a messenger of God and there are many messengers of God. example like moses and abraham and so on. We call them prophets ,some prophets have some power given by God. All prophets are human beings and there worship God and there bring the same message to humankind by the instruction of God to worship God the one and only and not to worship the stone or the idols or making partners with God. The Angel of Jibril is the angel that give the message to the prophet from God.

2) There are many prophets because when God send a prophet to humankind, by time through time people change the message and the teaching of the prophet until the religion is spoiled and there make partners with God and worship others then God again. That Is why God send another prophet to bring back the correct massage again for the humankind and that is why there are many religions that are wrong and worshipping wrong God .

3) prophet Muhammad is the last final messenger of God to bring back the message again and to stop the arabs land from worshipping the idols and the stone and making partners with God. Also for the hole humankind.

4) God the one and only have said in the Quran that only islam is the religion that is accepted in the side of God and islam means peace and submission to the will of God. And Muslim means the followers. And all Prophets are muslim. And God the one and only in arabic we call it (Allah). And islam is a religion of all Prophets from the beginning of humankind that is prophet adam to the last prophet that is prophet muhammad. Peace be upon them all.

5) so worship God the one and only (Allah) and do not worship the idols or the stone or the prophet or the jin or me or satan or the animals or the angel accept (Allah) the one and only.

6) And on this World is a test for humankind to seek and accept the truth and do righteous deeds or do not want and do bad. And only God the one and only (Allah) can give to his creatures the right path who wants it

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