The earliest life-forms were photosynthetic eukaryotes

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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Compound B is a ____________________.

Assume that you are taking an organic chemistry class. Your teacher has given you four organic compounds to analyze. She tells you that one is a carbohydrate, one is a hydrocarbon, one is a nucleic acid, and one is a protein. You discover that Compound B contains only carbon, hydrogen, and oxygen. Of the four types of compounds which were given to you to analyze, which one best describes Compound B?

Biology & Microbiology

Which of the following pathogens produce enterotoxins?

A) Bacillus cereus and certain serotypes of E. coli B) Clostridium difficile and Clostridium perfringens C) Salmonella spp. and Shigella spp. D) all of the above

Biology & Microbiology

A population of worms is growing exponentially in a compost heap. Thirty days ago there were 400 worms and now there are 800 . How many worms will there be thirty days from now, assuming conditions remain constant?

What will be an ideal response?

Biology & Microbiology

Global change predictions are often made using general circulation ________

Fill in the blank(s) with correct word

Biology & Microbiology