Fungi reproduce sexually less frequently than asexually. What might be the reason behind this infrequency of sexual reproduction?
A. Sexual reproduction is more energy-intensive than asexual reproduction.
B. Sexual reproduction requires two genetically different strains of the fungus to come together.
C. In asexual reproduction, one parent divides.
D. All statements are true.
Answer: D
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Rank the elements carbon, sodium, calcium, and iodine in order of decreasing number of protons
A. CNaCaI B. ICaNaC C. ICCaNa D. CCaNaI
In the fall of 2012, Hurricane Sandy caused more than 110 deaths and an estimated $65.5 billion of damage along the Atlantic coast of the United States. Who needs to be involved in preparing for the next "Sandy"?
A. politicians, who we elect to take care of us B. engineers, who design our buildings and transportation systems C. scientists, who are responsible for innovation and new ideas D. Every individual is responsible for his or her future. E. We are all, together, collectively responsible for preparing for our future.
The term evolution is used to describe
A. heritable changes in characteristics of a population from one generation to the next. B. any change in an individual that can be observed. C. changes in the number of individuals in a population due to mating. D. the ability of an individual organism to pass on what it has learned, through experience, to the next generation. E. any change in an individual organism that occurs in somatic cells.
The FoF1 synthesis of ATP depends on delivery of electrons carried by NADH and FADH2 to electron transport systems in the inner mitochondrial membrane in eukaryotic cells or in the plasma membrane of prokaryotic cells
What is the maximum number of ATPs generated for the following? a. one molecule of FADH2 produced during the citric acid cycle b. one molecule of NADH produced during the citric acid cycle c. one molecule of NADH produced by glycolysis in a muscle cell that uses the mitochondrial glycerol phosphate shuttle d. one molecule of NADH produced by glycolysis in a liver cell using the mitochondrial malate-aspartate shuttle e. one molecule of FADH2 produced during the citric acid cycle in a prokaryotic cell f. one molecule of NADH produced by glycolysis in a prokaryotic cell