The extensive folding of the inner thylakoid membrane is likely an adaptation to increase the surface area of the light reactions
a. true
b. false
Ans: a. true
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The discrepancy between the number of microbial cells observed by microscopic examination and the number of colonies that can be cultivated from the same natural sample may be due to ________.
A. microbial motility B. incorrect culture conditions C. nonviable organisms D. nonviable organisms and incorrect culture conditions
What processes cause the difference in appearance between gas tails and dust tails in comets?
What will be an ideal response?
How do the interiors of the ER, Golgi apparatus, endosomes, and lysosomes communicate with each other?
A. by fusing with one another B. by open pores that allow ions to exit and enter the organelles C. by excreting hormones and other small signaling molecules D. by small vesicles that bud off of one organelle and fuse with another E. They do not communicate with one another.
Which of the following is not a reason why healthcare epidemiology is essential to quality care?
A) Healthcare-acquired infection incidence increased by almost 40 percent from 1975 to 1995. B) Hospitals have been inadvertent sources of infection for thousands of years. C) About 75,000 people die from healthcare-acquired infections every year. D) Healthcare staff are dedicated to helping patients heal. E) Healthcare-acquired infections add an extra $35 billion dollars per year to U.S. healthcare costs.