Biology, 29.09.2019 16:30 alienxangg91
1.) if a sailing ship represents the human body, how is a sudden storm at sea like a virus? use the word homeostasis
2.) if the wind changes direction, and the ship veers off course, what type of feedback loop results in the ship returning to its course?
Answers: 1
Biology, 21.06.2019 19:40
Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.
Answers: 1
Biology, 21.06.2019 22:20
Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria
Answers: 1
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 12:40
In which part of the body is a ball-and-socket joint found?
Answers: 2
1.) if a sailing ship represents the human body, how is a sudden storm at sea like a virus? use the...
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