Iridium is more common in meteorites than in the crust of the Earth
a. True
b. False
Indicate whether the statement is true or false
True
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Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development. In one strategy, the female retains the eggs within her body and the young are fully developed when they hatch inside of her. What is this called?
A. oviparity B. ovoviviparity C. viviparity D. protogyny E. protandry
Which scientist is given credit for proposing the endosymbiont theory?
A. Svante Arrenhius B. Charles Darwin C. Stanley Miller D. Louis Pasteur E. Lynn Margulis
Enzymes that are regulated by molecules that bind somewhere other than the active site are called ______
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT an advantage of antimicrobial peptides?
A) They have a narrow spectrum of activity, so they are very specific. B) Microorganisms do not seem to develop resistance to them. C) They are very stable. D) They exhibit synergy when used with other antimicrobial compounds.