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tankabanditka [31]
3 years ago
9

The four groups of organic compounds found living things are carbohydrates , lipids , nucleic acids

Biology
1 answer:
fomenos3 years ago
3 0
True is your answer!!!!
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Recombinant DNA (rDNA) _____.
Mazyrski [523]

Answer:

combines genes from organisms of different species in a lab

Explanation:

Recombinant DNA technology involves the process of joining the genes (DNA) of different multiple species in order to insert into another organism (host). Recombinant DNA technology has many applications in genetic engineering.

One example of Recombinant DNA is the synthesis of Insulin in bacteria cell where a human insulin gene is first inserted into a plasmid vector, then inserted into a bacterial cell that uses its expression abilities to transcribe and translate the gene into INSULIN protein.

This procedure is usually conducted in a laboratory with the use of certain laboratory equipments.

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3 years ago
Small structure within the cell that builds proteins
Zanzabum
That cell is called ribosome.
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Plant cells contain both chloroplasts and mitochondria; animal cells have only mitochondria. What can be inferred from this stat
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Answer: D. Plants do not eat, so both chloroplasts and mitochondria are needed to make enough energy for plants to grow.  

Explanation: Option A is invalid since plant cells do use ATP. Option B is invalid since animal cells don't make their energy with chloroplasts. Option D is the most realistic one since chloroplasts in the plant are the ones that make the food for the plants, plant doesn't have a "mouth" so they depend on chloroplast to make food.

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In what kind of star system does one star sometimes block the light from another?
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A nerve impulse is an electric charge running across a neuron. Explain why the stimulation supports this explanation
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Stimulation of a neuron causes a change in the charge inside the cell from negative to positive. This change is caused by ions, which are atoms with an electrical charge, moving across the cell. This change within the cell is consistent with the definition of an electric charge.

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