Which organism has the largest number of protein-coding genes?

a. E. coli (bacteria)
b. Saccharomyces cerevisiae (yeast)
c. Homo sapiens (human)
d. Oryza sativa (rice)
e. Drosophila melanogaster (fruit fly)


ANSWER: d

Biology & Microbiology

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The interaction in which one species benefits and the second species is neither harmed nor benefited is ____

a. mutualism b. parasitism c. commensalism d. competition e. predation

Biology & Microbiology

Which organism is most likely to have a type III survivorship curve?  

A.  an oak tree B.  a domestic dog C.  corn in a farmer's field D.  Paramecium Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about the characteristics of a type III survivorship curve? What other information is related to the question?  Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

In fish, blood flows in a direction opposite to the flow of water over the gills in a process known as:

a. concurrent exchange. b. countercurrent exchange. c. crosscurrent exchange. d. exhalation. e. diffusion.

Biology & Microbiology

Many lung ailments are "not curable but treatable." Which of the following conditions is most curable?

Select one: a. advanced lung cancer with metastases b. standard tuberculosis c. asthma d. emphysema e. COPD

Biology & Microbiology