Transgenic organisms are those that have had their genomes altered by external means. These organisms are found in applications of genetic engineering, but they are only useful if the inserted gene is expressed in the organism.
An example of a transgenic organism may be a rat with the gene for hemoglobin from a rabbit. This rat is only useful if it indeed does produce rabbit hemoglobin in its blood due to the inserted gene.
1. Reproduce 2. Grow 3. Metabolize and use energy 4. Maintain homeostasis 5.They are composed of cells, or at least one cell. 6. Maintain a high level of<span>organisation.</span>
Most proteins in living organisms are composed of 40 amino acid residues in total, and nine of those are crucial for human health.
Which majority of amino acids make up proteins in living things?
- Only twenty different amino acids, each with a distinct side chain, make up proteins. Different chemistries can be found in the side chains of amino acids. The majority of amino acids contain side chains that are nonpolar.
- There are nine essential amino acids:
- tryptophan
- valine
- isoleucine
- leucine
- lysine
- methionine
- phenylalanine
- threonine
- methionine
What Constitutes Proteins?
- Amino acids are the basic units of proteins. They are tiny chemical compounds with an alpha (central) carbon coupled to an amino group, a carboxylic acid group, hydrogens, and a changeable element known as a side chain.
- A protein is made up of a lengthy chain of amino acids that are connected by peptide bonds. The biological process that links the carboxyl unit of one amino acid towards the amino group of a nearby amino acid results in the extraction of a water molecule, forming peptide bonds. The main structure of a protein is thought to be its linear amino acid sequence.
Learn more about amino acids here:
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Answer:
Microplastics are small plastic pieces less than five millimeters (0.2 inch) long which can be harmful to our ocean and aquatic life.
Explanation:
Answer:
Neurotransmitters are released from neurons in response to the increase in intra-cellular concentration of CALCIUM IONS
Explanation:
Calcium ion are vital in the release of neurotransmitters. When action potential reaches the terminal of a neuron, the voltage-dependent calcium ions are activated, there is therefore the influx of calcium ions. When calcium channels are blocked, there is the inhibition of neurotransmitter release from the neurons. Calcium channels are discovered to be located near the active zones of vesicular membranes and it has been found that the influx of calcium ions is far greater at the active zones than elsewhere in the neurons. So the observation of large influx of calcium ions in the active zones of neurons is consistent with the release of neurotransmitter as action potential is generated in the neurons.