Activated B cells differentiate into __________.
What will be an ideal response?
plasma cells and memory B cells
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Using Mendel's flower color (purple is dominant, white is recessive), if two heterozygous plants are crossed, what is the probability that the first two offspring will have purple flowers?
A. 1/2 B. 1/4 C. 6/4 D. 9/16 E. 1/16
What concept proposes that genes associated with altruism are selected for if they lead to behavior that promotes the reproductive success of an altruist's close relatives?
a. natural selection b. inclusive fitness c. altruistic behavior d. social evolution e. instinctive sacrifice
All of the following are true regarding coral reefs
EXCEPT that they a. develop in warm, clear waters near coasts or volcanic islands. b. are found between 25 degrees north and south. c. are wave-resistant formations. d. are areas of abundant resources and minimal competition among inhabitants. e. contain the remains of hard corals and the mineral-hardened cell walls of red algae.
Which of the following is released by platelets in the vicinity of an injury?
A) PDGF B) MPF C) cyclin D) Cdk