A light microscope with an objective lens numerical aperture of 0.65 is capable of allowing two objects 400 nm apart to be distinguished when using light with a wavelength of 420 nm.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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Which one of the following pairs is mismatched?

A. lysosome-protein synthesis B. cytoskeleton-microfilaments C. nucleus-DNA replication D. cell membrane-lipid bilayer E. Golgi apparatus-modification, processing, and sorting of macromolecules

Biology & Microbiology

An amine hormone important in the stress response in vertebrates is

A. dopamine. B. melatonin. C. cortisol. D. epinephrine. E. serotonin.

Biology & Microbiology

What property of phospholipids makes them important in cell membranes?

A) They are an important energy carrier molecule. B) They contain nucleic acids. C) They have a polar end and a nonpolar end. D) They are part of DNA. E) They are found only in animals.

Biology & Microbiology

Which of the following is technically NOT a fruit?

A) Tomato B) Cucumber C) Pumpkin D) Lettuce E) Green pepper

Biology & Microbiology