If you could neither synthesize nor acquire deoxyribose in any way, you could not make the nucleic acid ________
Fill in the blank(s) with correct word
DNA
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In the male reproductive system, the vas deferens is connected to the urethra by a short tube called the
____________________. Fill in the blank(s) with the appropriate word(s).
In the early 1950s, James Watson and Francis Crick ____
a. were awarded the Nobel Prize for Medicine or Physiology b. combined all of their previous research in order to explain the structure of DNA c. began to work out the structure of DNA by organizing the information about DNA that was already available d. produced X-ray diffraction photographs from highly purified DNA samples e. isolated two strains of S. pneumoniae and used them to further research the structure of DNA
What had to occur in the B. megaterium cultures exposed to UV light for extended periods of time, in order for growth to appear on the plates after 24-48 hours?
A) Thymine dimers must not have formed during the exposure to UV light. B) Endospores must have entered the vegetative cycle. C) Bacterial cells must have been resistant to UV light
Diatoms
A) are autotrophs with a glassy cell wall that contains silica. B) are mixotrophs. C) are heterotrophic protists that decompose dead plants and animals in freshwater habitats. D) include the malaria parasite.