Biology, 22.10.2020 19:01, stormserena
The Earth’s orbit is slightly elliptical, at some points, it is closer to the sun than others, does this have an effect on the seasons?
Answers: 1
Biology, 21.06.2019 20:00, smariedegray
Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium
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Biology, 22.06.2019 02:50, cocodemain
Cells destroy body cells infected by a virus or bacteria.
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Biology, 22.06.2019 06:20, mariap3504
(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.
Answers: 3
Biology, 23.06.2019 06:30, brazilmade1
Our understanding of dna and gene expression has dramatically increased over the last 50 years. describe 2 positive impacts and 2 negative impacts that the feild of biotechnology and genetic engineering has had in agricultur, medicine, and human health?
Answers: 3
The Earth’s orbit is slightly elliptical, at some points, it is closer to the sun than others, does...
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