How many different species of organisms do scientists believe exist on earth today?
A. 10 million
B. 1.5 million
C. 1 billion
D. 10,000
Answer: A
You might also like to view...
SMAD4 is a tumor suppressor gene located on chromosome 18 that is known to be homozygously deleted in human lung cancer
If you were to perform comparative genomic hybridization with tissue from a lung cancer patient with a homozygous negative SMAD4 tumor, what ratio of green to red fluorescence would you expect? A. A ratio of 1 on all of chromosome 18 B. A ratio of 2 on the part of chromosome 18 containing the SMAD4 gene, with a value of 1 on the remainder of the chromosome. C. A ratio of 0 on all of chromosome 18 D. A ratio of 0 on the part of chromosome 18 containing the SMAD4 gene, with a value of 1 on the remainder of the chromosome E. A ratio of 1 on the part of chromosome 18 containing the SMAD4 gene, with a value of 0 on the remainder of the chromosome. F. A ratio of 0.5 on the part of chromosome 18 containing the SMAD gene, with a value of 1 on the remainder of the chromosome.
Exposure to chromium and ether is linked to ____
a. leukemia b. lung cancer c. bladder cancer d. skin cancer e. liver cancer
Why might a large scale approach to conservation be more effective than a species or population level approach
What will be an ideal response?
If a person uses Percocet, a morphine relative, to which of these drugs might that person develop cross-tolerance?
A) ecstasy B) marijuana C) heroin D) cocaine