Which is incorrect regarding irradiation to sterilize foods?
A) It is approved in the U.S. for sterilizing beef, pork, and poultry.
B) It increases the shelf life of perishable goods.
C) The type of radiation used is ultraviolet radiation.
D) Workers are protected from the radiation source.
Answer: C) The type of radiation used is ultraviolet radiation.
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True or False: A biological clock is a set of molecular mechanisms that cycles on its own and thus keeps a regular rhythm
A. true B. false
Sugars and phosphates are held together in a DNA molecule by a(n) ____________________ bond
Fill in the blank(s) with correct word
The plant hormone ____ governs senescence in plants, such as the loss of leaves in autumn by some plants
a. cytokinins b. abscisic acid c. gibberellins d. brassinosteroids e. ethylene
Salivary amylase begins the breakdown of what substance?
a. amino acids b. lipids c. starch d. protein