Biology, 25.07.2019 07:00 lol15arec001
What is the role of t cells in the adaptive immune response? view available hint(s) what is the role of t cells in the adaptive immune response? t cells phagocytize bacteria and viruses. t cells produce and secrete antibodies. t cells activate b cells and cytotoxic t lymphocytes to kill infected host cells. t cells directly kill infected host cells?
Answers: 1
Biology, 21.06.2019 22:00
For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?
Answers: 3
Biology, 22.06.2019 00:20
If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible
Answers: 1
Biology, 22.06.2019 09:00
This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.
Answers: 1
What is the role of t cells in the adaptive immune response? view available hint(s) what is the ro...
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