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2 years ago

__________ are found in BOTH viruses AND in living single-celled organisms, such as protozoans and bacteria.

2 answers:

7 0

You could say DNA is found in both viruses and in living single-celled organisms because DNA is necessary to replicate itself.

Tatiana [17]2 years ago

3 0

Answer:

Nucleic acids

Explanation:

Nucleic acids are macromolecules that store genetic information and can be found in both viruses and living single-celled organisms (such as bacteria and protozoa).

In the case of viruses, they have no organelles and are basically composed of DNA or RNA (only one of them), performing their reproduction transferring the genetic material to a host cell, using their cellular structures.

Unicellular beings, on the other hand, have DNA and organelles, among them ribosomes, so they can synthesize RNA, which contains genetic information transcribed in it.

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Forensic investigators observe the crime scene and gather any physical evidence that is found and document the analysis done on them. Sketches and the photos taken at the crime scene are also the part of the evidence they collect. Since here the bloodstains found by the Forensic investigators are less than 1mm diameter, they can deduce the weapon used for crime would be shotgun as it has a narrow barrel.

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3 years ago

Organisms well suited to their environment:

umka21 [38]

Answer:

Reproduce more successfully than organisms who are less suited for the same environment.

Explanation:

If they are well suited they don't necessarily have to be too big or too small small.

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3 years ago

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A biologist looks at an organism through a microscope.

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Answer:

Explanation:

It has membrane-bound organelles. Mitochondria and chloroplasts are structures found in the eukaryotic cells.

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2 years ago

Question 5

Maurinko [17]

Answer:

Cell membrane

Explanation:

Cell membrane controls what goes in and out of cells

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2 years ago

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How does the body of a runner keep up with the demand for energy when cellular oxygen levels are low?

-BARSIC- [3]

Answer:

The correct answer is through anaerobic respiration in the cytoplasm.

Explanation:

Cellular respiration is of 2 types

1 Aerobic respiration Respiration that require oxygen to occur

2 Anaerobic respiration Respiration that do not requires oxygen.

During low oxygen level the body of runner keep up with the demand for energy by undergoing anaerobic respiration which includes Glycolysis.

During anaerobic condition the functionally active body cells undergo glycolysis and with each glycolysis 2 molecules of ATP are generated which can some how boost the energy supply within runner"s body.

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2 years ago