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3 years ago

A virus is a complete cell is only sometimes parasitic is not a true living cell can only infect plant cells

Biology

2 answers:

Maksim231197 [3]3 years ago

8 0

Is not a true living cell

Marizza181 [45]3 years ago

4 0

Answer: The correct answer is- is not a true living cell.

A virus is an acellular, non living, microscopic, infective agent. It contains genetic material ( DNA or RNA) that is surrounded by a coat of protein. It can not produce energy by its own and requires a host organism for replicating its genetic material ( DNA or RNA).

Example- Bacteriophage ( a virus that infects bacteria for its replication).

Therefore, it is not considered as a true living cell.

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What is trepanation? and why was this used?

maw [93]

Answer:

Trepanation is the process whereby a hole is drilled into the human skull, exposing the dura mater to treat health problems related to the intracranial disease of the human body.

Explanation:

Trepanation is used to treat health problems associated with intracranial diseases, epileptic seizures, migraines and mental disorders by relieving pressure.

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3 years ago

How is mRNA, tRNA, rRNA important to protein production

MrRissso [65]

Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis

The Three Roles of RNA in Protein Synthesis - Molecular Cell Biology ...https://www.ncbi.nlm.nih.gov/books/NBK21603/

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3 years ago

In a simple synapse, neurotransmitter chemicals are received by _______. A. the presynaptic membrane B. dendrites C. axon hilloc

artcher [175]

Answer:

In a simple synapse, neurotransmitter chemicals are received by the postsynaptic neuron.

Explanation:

The presynaptic membrane is where neurotransmitters are generated, whereas the postsynaptic membrane is where the neurotransmitter receptors have been located. The axon terminal is substantially far more structurally complicated at a neuromuscular junction.

Axon Hillock performs administrative duties by adding up all incoming signals, including inhibitory and stimulating. The action potential gets activated if this total surpasses the limiting threshold.

The neuron's cell body controls the structure of the neuron, houses its genetic material, and supplies energy for its various functions. Additionally, the dendrites' receiving information is processed by the cell body.

Dendrites gather and retain all data coming from the terminal of the axon. Dendrites get any incoming data or signals from the other neuron.

You can also get more information from the following link:

brainly.com/question/17013128

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8 0

1 year ago

Carbon bonding is almost entirely covalent. This property allows carbon compounds to _____. decompose easily, thereby providing

hoa [83]

Carbon bonding is almost entirely covalent. This property allows carbon compounds to make oxygen more readily available to the organism. The correct option among all the options that are given in this question is the last option. This property of carbon has become a life saver for variety of organisms.

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3 years ago

Which of the following environmental factors belongs to biotic factors? 1. Wind 2. Salinity 3. Soil moisture 4. Microorganism

uranmaximum [27]

Answer:

4. Microorganism

Explanation:

Wind, Salinity, Soil moisture are abiotic factors, non living things.

6 0

4 years ago