Clusters of chlorophyll and accessory pigments are called ________.
A. chloroplasts
B. photosystems
C. photosynthetic membranes
D. the Golgi apparatus
Answer: B
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Which of the following statements about ubiquitin is TRUE?
A. Ubiquitin recognizes improperly folded proteins. B. Ubiquitin targets proteins for degradation. C. Ubiquitin targets proteins for post-translational processing. D. Ubiquitin recognizes improperly folded proteins and targets them for degradation. E. Ubiquitin targets proteins for degradation and post-translational processing.
Overall, genes are unevenly distributed along their chromosomes. Indicate whether the statement is true or false
Hormones are usually transported through ________ and affect only cells with ________
A) ducts... specific receptors B) intercellular junctions... cell junctions C) blood vessels... specific receptors D) blood vessels... cell junctions
Suppose you have a random sample of employees in your company and their tenure. The sample mean of this sample is 4.2 years and the sample standard deviation is 4.5 years. How would knowing that the random sample was of size 100 instead of 60 change the 90% confidence interval for the population mean of employee tenure?
A. The 90% confidence interval will be biased for 100. B. The 90% confidence interval will be larger for 100 than 60. C. The 90% confidence interval will be smaller for 100 than 60. D. The 90% confidence interval will be biased for 60.