Question
How are new viruses made?(1 point)
Responses
asexual reproduction
asexual reproduction
viral DNA or RNA copied in a host cell
viral DNA or RNA copied in a host cell
sexual reproduction
sexual reproduction
viral DNA or RNA copied in a virus
viral DNA or RNA copied in a virus
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Responses
asexual reproduction
asexual reproduction
viral DNA or RNA copied in a host cell
viral DNA or RNA copied in a host cell
sexual reproduction
sexual reproduction
viral DNA or RNA copied in a virus
viral DNA or RNA copied in a virus
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Answers
Answer
Which best describes a provirus?(1 point)
Responses
A provirus is viral DNA incorporated into the host cell’s DNA.
A provirus is viral DNA incorporated into the host cell’s DNA.
A provirus is newly replicated viral DNA after injection.
A provirus is newly replicated viral DNA after injection.
A provirus is the host cell’s DNA that has been destroyed.
A provirus is the host cell’s DNA that has been destroyed.
A provirus is bacterial DNA incorporated into viral DNA.
Responses
A provirus is viral DNA incorporated into the host cell’s DNA.
A provirus is viral DNA incorporated into the host cell’s DNA.
A provirus is newly replicated viral DNA after injection.
A provirus is newly replicated viral DNA after injection.
A provirus is the host cell’s DNA that has been destroyed.
A provirus is the host cell’s DNA that has been destroyed.
A provirus is bacterial DNA incorporated into viral DNA.
Answer
Why is it difficult to produce a vaccine for the common cold in humans?(1 point)
Responses
It attacks white blood cells that fight off foreign bodies.
It attacks white blood cells that fight off foreign bodies.
It has a viral genome that mutates very quickly.
It has a viral genome that mutates very quickly.
It is caused by retroviruses that insert viral RNA into the host cell's DNA.
It is caused by retroviruses that insert viral RNA into the host cell's DNA.
It is a spherical-shaped virus with many protein receptors.
Responses
It attacks white blood cells that fight off foreign bodies.
It attacks white blood cells that fight off foreign bodies.
It has a viral genome that mutates very quickly.
It has a viral genome that mutates very quickly.
It is caused by retroviruses that insert viral RNA into the host cell's DNA.
It is caused by retroviruses that insert viral RNA into the host cell's DNA.
It is a spherical-shaped virus with many protein receptors.
Answer
The nervous system is primarily responsible for(1 point)
Responses
breaking down food and extracting nutrients from foods.
breaking down food and extracting nutrients from foods.
receiving and processing stimuli from the body and the environment.
receiving and processing stimuli from the body and the environment.
moving oxygenated blood throughout the body.
moving oxygenated blood throughout the body.
exchanging gases between the body and the environment.
Responses
breaking down food and extracting nutrients from foods.
breaking down food and extracting nutrients from foods.
receiving and processing stimuli from the body and the environment.
receiving and processing stimuli from the body and the environment.
moving oxygenated blood throughout the body.
moving oxygenated blood throughout the body.
exchanging gases between the body and the environment.
Answer
What is the role of the esophagus in the digestive system?(1 point)
Responses
chew food
chew food
release digestive enzymes
release digestive enzymes
connect the mouth with the stomach
connect the mouth with the stomach
absorb nutrients from food
absorb nutrients from food
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Responses
chew food
chew food
release digestive enzymes
release digestive enzymes
connect the mouth with the stomach
connect the mouth with the stomach
absorb nutrients from food
absorb nutrients from food
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Answer
Which is true about how the nervous system interacts with other body systems?(1 point)
Responses
The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
The nervous system interacts with the muscular system by sending signals to the ligaments to bond to tendons.
The nervous system interacts with the muscular system by sending signals to the ligaments to bond to tendons.
The nervous system interacts with the skeletal system by sending signals to the legs to move fast.
The nervous system interacts with the skeletal system by sending signals to the legs to move fast.
The nervous system interacts with the circulatory system by sending signals to the heart to make more blood.
The nervous system interacts with the circulatory system by sending signals to the heart to make more blood.
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Responses
The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
The nervous system interacts with the muscular system by sending signals to the ligaments to bond to tendons.
The nervous system interacts with the muscular system by sending signals to the ligaments to bond to tendons.
The nervous system interacts with the skeletal system by sending signals to the legs to move fast.
The nervous system interacts with the skeletal system by sending signals to the legs to move fast.
The nervous system interacts with the circulatory system by sending signals to the heart to make more blood.
The nervous system interacts with the circulatory system by sending signals to the heart to make more blood.
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Answered by
GPT-4o mini
The correct response is: **viral DNA or RNA copied in a host cell**.
Viruses replicate by infecting a host cell and utilizing the host's cellular machinery to reproduce their genetic material and produce new virus particles.
Viruses replicate by infecting a host cell and utilizing the host's cellular machinery to reproduce their genetic material and produce new virus particles.
Answered by
GPT-4o mini
The correct response is: **A provirus is viral DNA incorporated into the host cell’s DNA.**
A provirus is the form of viral DNA that integrates into the genome of a host cell, allowing the viral genetic material to be replicated along with the host's DNA.
A provirus is the form of viral DNA that integrates into the genome of a host cell, allowing the viral genetic material to be replicated along with the host's DNA.
Answered by
GPT-4o mini
The correct response is: **It has a viral genome that mutates very quickly.**
The common cold is caused by several different viruses, including rhinoviruses, which can rapidly mutate. This high mutation rate makes it challenging to create a single effective vaccine for the common cold.
The common cold is caused by several different viruses, including rhinoviruses, which can rapidly mutate. This high mutation rate makes it challenging to create a single effective vaccine for the common cold.
Answered by
GPT-4o mini
The correct response is: **receiving and processing stimuli from the body and the environment.**
The nervous system is responsible for transmitting signals and processing information related to sensations, responses, and coordination of bodily functions.
The nervous system is responsible for transmitting signals and processing information related to sensations, responses, and coordination of bodily functions.
Answered by
GPT-4o mini
The correct response is: **connect the mouth with the stomach.**
The esophagus is a muscular tube that transports food from the mouth to the stomach for further digestion.
The esophagus is a muscular tube that transports food from the mouth to the stomach for further digestion.
Answered by
GPT-4o mini
The correct response is: **The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.**
The nervous system regulates various body functions, including the digestive system, by sending signals that control muscle contractions and the release of digestive juices.
The nervous system regulates various body functions, including the digestive system, by sending signals that control muscle contractions and the release of digestive juices.
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