Anabolic pathways _____
A) are usually highly spontaneous chemical reactions
B) consume energy to build up polymers from monomers
C) release energy as they degrade polymers to monomers
D) consume energy to decrease the entropy of the organism and its environment
B
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In eucaryotic cells, what are the sites of photosynthesis?
A) mitochondria B) plasmids C) plastids D) ribosomes
Which of the following statements regarding schistosomiasis is incorrect?
A. Once a person has recovered from an infection with Schistosoma mansoni, they are protected with lifelong immunity. B. Schistosomiasis is transmitted by exposing the skin to a water source that has been contaminated with sewage. C. There is only a single drug available to treat Schistosoma infection, praziquantel, and drug-resistant strains are beginning to arise. D. Efficacy of treatment is assess by observing fecal samples placed in water for whether eggs can hatch to release live miracidia.
A woman is diagnosed to have a gene for the genetic
disorder known as Huntington disease. It is a rare defect caused by an autosomal dominant allele. The chance for any one of her children to inherit the gene is a. dependent on the sex of the child. b. 1/3. c. 1/2. d. 3/4. e. 1.00 (or 100 percent).
Typically, methylation of nucleosome N-terminal tails leads to __________
A) removal of the protein components of the chromatin from the DNA B) relaxed packaging of the chromatin and increased transcription C) tighter packaging of the chromatin and reduced transcription D) increased amounts of euchromatin relative to heterochromatin E) activation of topoisomerase