Biology, 11.10.2020 14:01 girlygirl2007
Which major processes were needed for the origin of life on Earth?
Abundance of oxygen and the ozone layer
Active volcanoes and very cold temperatures
Low levels of ultraviolet radiation and specific mixture of gases
Organic molecules produced from spontaneous synthesis or from meteorites
Answers: 2
Biology, 22.06.2019 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
Answers: 1
Biology, 22.06.2019 13:00
Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies
Answers: 1
Which major processes were needed for the origin of life on Earth?
Abundance of oxygen and the ozon...
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