Which of the following produce the dense glassy ooze of the deep-ocean floor?
A) radiolarians
B) apicomplexans
C) dinoflagellates
D) forams
E) ciliates
Answer: A) radiolarians
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Steroid hormones are large communication molecules that are modified cholesterol molecules. How do you think they enter a cell?
A) Their size probably allows them to diffuse through the plasma membrane. B) Their lipid nature probably allows them to diffuse through the plasma membrane. C) Their protein structure probably allows them to diffuse through the plasma membrane. D) They must require a protein transporter, because the plasma membrane is completely impermeable to molecules.
The methods of ____ have had the greatest impact on human genetics in recent decades
a. cytogenetics b. molecular genetics c. transmission genetics d. translational medicine e. genomics
The evolution of a genetically based, reciprocal adaptation in two or more interacting species is described as
coadaptation.
Indicate whether the statement is true or false.Cancer is caused by many different types of gene mutations. Some mutations are in proto-oncogenes, which lead to overexpression of the genes, and other mutations are in tumor suppressor genes, which lead to under expression or no expression in these
genes. Which kinds of gene mutations would RNA interference (RNAi) be better at treating? Explain. What will be an ideal response?