The multiple-factor hypothesis suggests that many factors or genes contribute to the phenotype in a cumulative or quantitative manner
Indicate whether the statement is true or false
TRUE
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Gram-negative bacteria are less susceptible to complement lysis than Gram-positive bacteria
Indicate whether this statement is true or false.
Four of these statements are true about mitochondria. Which one is not true?
a. They have DNA. b. Their DNA can experience mutations. c. In animals, the mitochondria come from the mother. d. They undergo genetic recombination during fertilization. e. Their DNA can be used as molecular clock.
Risk assessments must involve ________
A) statistical measurements B) proving that something will never do any harm to anyone C) assuring proper use of all new techniques developed D) minimal input from all parties involved with the project E) None of these choices
An open circulatory system usually consists of which of the following?
a. blood b. pumping organ c. arteries d. veins e. hemocoel