Biology, 21.04.2020 00:53 CatelynBGray
The immune system is designed to fight off pathogens. One of the most threatening are viruses because we cannot kill them, only stop their spread and provide palliative (supportive) care. Which statements below are CORRECT about viruses (there can be more than one or all...select as many as you feel are correct)
A. They are incapable of performing protein synthesis so they force the host cell to use their genetic material to make new viruses
B. They have antigens, so your body can make antibodies to fight them off and stop the infection
C. Taking antibiotics is the best way to stop a virus
D. They can either have DNA or RNA as their genetic material
Answers: 2
Biology, 22.06.2019 04:10
Anne, an intern in a microbiology lab, was observing the characteristics of various specimens of protists. match each specimen to the category of protist to which it belongs.
Answers: 1
Biology, 22.06.2019 09:30
Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.
Answers: 1
Biology, 22.06.2019 18:30
Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.
Answers: 1
Biology, 22.06.2019 21:20
Name three things that show evidence of evolution. write one sentence for each, explaining why it demonstrates evidence. (9 points)
Answers: 1
The immune system is designed to fight off pathogens. One of the most threatening are viruses becaus...
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