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irakobra [83]
3 years ago
7

Enacting legislation that restricts a chemical suspected of being harmful while there is still scientific uncertainty about that

chemical is an example of_______.
A. an anthropocentric worldview.
B. a biocentric worldview.
C. the precautionary principle.
D. technology leapfrogging.
E. an incentive-based approach.
Biology
1 answer:
DochEvi [55]3 years ago
4 0

Answer:

Answer is C, the precautionary principle

Explanation:

The precautionary principle is finding a way to cope with likely risk that can occur where scientific understanding is still in process.

It can also be explained as of being conscious when involving in an activity that raises threat of harm to the environment by taking precautionary measures.

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Answer: Genetic engineering is a tool in biotechnology wgich is beneficial to both the organism, the society and the environment.

What is genetic engineering?

Genetic engineering is a technique in biotechnology in which genes of organisms are manipulated to produce desirable effects in the organism.

Genetic engineering provided benefit to both the organism as well as the society.

To the organism, it gives the organism an advantage of increased chances for survival, for example producing disease-resistant crops.

To the society, it enhances food production as plants produce more food when healthy.

To the environment, it enables these disease to disappear as they can no longer affect organisms.

Explanation:

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A biologist wants to demonstrate how atoms are combined in a DNA molecule, a geologist wants to demonstrate how mountains are fo
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Answer:

Model building

Explanation:

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2 years ago
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_____ twins develop from two separate fertilized eggs and share _____ percent of their genes.
lapo4ka [179]
Number 1 is fraternal (also known as dizygotic) 
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What 2 atoms are present in all organic molecules
Liula [17]
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3 years ago
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Need a hypothesis for “How are proteins built from RNA”
Dima020 [189]

Hi!


Hypothesis:

<em>Proteins are built from the translation of messenger RNA (mRNA) molecules</em>


RNA, or ribonucleic acid, is a structure that is similar to DNA, except that it exists as a single strand, consists of a ribose sugar instead of a deoxyribose sugar and has the base uracil (U) instead of thyamine (T).


<h3><u>From DNA to RNA</u></h3>

RNA is generated through transcription of the DNA molecule, resulting in a <em>complementary </em>molecule of the template DNA strand. For instance, if the sequence of the DNA was:

ATGCGCAGTTATTGCGAT

The corresponding RNA sequence will be:

UACGCGUCAAUAACGCUA    <em>(complementary with U instead of T)</em>


<h3><u>From RNA to Protein</u></h3>

The RNA molecule in our case is known as the mRNA. After transcription the mRNA molecule is transported to the cytoplasm, where a ribosome binds to it for another molecule to translate the sequence. This translation is mediated by an RNA molecule known as the tRNA molecule which enters the ribosome to catalyze the reaction.

These molecules identify a sequence of 3 bases (codon) and for specific codon sequences, the tRNA allocates specific amino acid. For instance, for the codon <em>UCA</em>, the tRNA will allocate a <em>Serine residue.</em>

This translation process starts at specific three base sequences, known as start codons, and terminates at specific three base sequences known as stop codons.

In this manner, a sequence of amino acids respective to the mRNA codon sequence is synthesized, and as we identify proteins as chains of amino acids that are covalently linked together through peptide bonds, we can clearly see that proteins are built directly from RNA, and indirectly from DNA.


Hope this helps!


3 0
3 years ago
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