Biology, 18.10.2019 07:00 garrettengle03
Trypanosome infections evade attacks by host immune systems through which of the following mechanisms? a. insertion of its dna into the nuclear dna of host cells b. production of new cell-surface proteins with a different molecular structure by each new generation c. production of toxins that kill lymphocytes d. infection of lymphocytes leading to a decline in the host's ability to fight infection
Answers: 2
Biology, 21.06.2019 23:00
What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function
Answers: 2
Biology, 22.06.2019 04:30
Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.
Answers: 2
Biology, 22.06.2019 07:50
45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.
Answers: 1
Trypanosome infections evade attacks by host immune systems through which of the following mechanism...
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