Biology, 03.12.2019 06:31 BlueWaaaazzzBerry
As described in investigating life 20.1, scientists found that the range of the alpine chipmunk has shifted about 500 meters up in elevation, leading to isolated subpopulations on individual mountaintops. according to the researchers, what has caused this shift?
a. harmful uv radiation due to the ozone holeb. habitat destruction due to acid precipitationc. introduction of nonnative speciesd. climate warming due to increased co2 concentrations
Answers: 3
Biology, 21.06.2019 21:30
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, 22.06.2019 01:00
Put the following processes of protein synthesis in the correct order: - dna strands unwind and separate - mrna copies dna according to complimentary base pairing - trna's anticodons bring amino acids to the corresponding mrna codons - amino acids bind to each other making a protein - mrna leaves the nucleus - a stop codon is reached, the newly formed protein is released to go do its job for the cell
Answers: 1
As described in investigating life 20.1, scientists found that the range of the alpine chipmunk has...
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