Which of the following statements about archaea are true cowan?A) They are prokaryotes. B) They lack peptidoglycan in their cell walls. C) Some are thermoacidophiles; others are extreme halophiles. D) They evolved before bacteria. E) Some produce methane from carbon dioxide and hydrogen.
Answers: 3
Biology, 21.06.2019 21:30, lkipjjjjjjjjjj5673
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
Answers: 1
Biology, 21.06.2019 23:00, carlie4charlie
Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?
Answers: 1
Biology, 22.06.2019 02:00, sanakhalid8881
The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
Answers: 3
Which of the following statements about archaea are true cowan?A) They are prokaryotes. B) They lack...
Mathematics, 25.06.2021 04:00
Mathematics, 25.06.2021 04:00
Mathematics, 25.06.2021 04:00