Among the eukaryotic microbes in the phytoplankton, the ________ are most noted for their contribution to carbon fixation.
A. green algae
B. cyanobacteria
C. diatoms
D. dinoflagellates
Answer: C
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A "high-energy bond" in ATP ____
a. absorbs a large amount of free energy when the phosphate group is attached during hydrolysis b. is formed when ATP is hydrolyzed to ADP and one phosphate group c. is similar to the bonds in glucose molecules d. forms as part of an endergonic reaction e. cannot be readily used in reactions
Two genes have a lod score of 1.2. This indicates that the two genes are most likely __________
A. moderately linked D. on separate chromosomes B. loosely linked E. in separate genomes C. tightly linked
The number of similarities in certain DNA or RNA nucleotide or amino acid sequences may be used
as a molecular clock to indicate how much time has passed since the groups branched from a common ancestor. __________________ Indicate whether the statement is true or false.
Several human disorders are caused by DNA repair pathway deficiencies. Choose one and describe: (1) what the deficiency is and (2) how the defect affects people with the disease
What will be an ideal response?