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viruses game # 24185
virus test
1. any organism or particle that can cause an infectious disease is called a
(1 point)
pathogen
viroid
bacteria
virus
2. hiv is considered a retrovirus because it

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?