Organisms called plasmodial slime molds move by which process?
A) contractile cytoskeleton movements B) growth in the direction of sunlight
C) beating of cilia D) cytoplasmic streaming
Answer: D
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If one parent has type A blood and the other parent
has type B, then which of the following is possible in the children? a. only AB b. A and AB c. B and AB d. A, B, AB, and O e. only O
What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring of genotype
aa bb cc? a. 1/64 b. 1/32 c. 3/64 d. 1/16 e. 9/64
In the field of plant transgenics, the use of the bacterium Agrobacterium tumefaciens has proven useful because the
bacterium:a. is not attacked by plant immune systems. b. has been genetically engineered to penetrate the plant cell wall. c. can directly modify the plant genome. d. is found naturally in almost all species of plants. e. is able to transfer a plasmid into host plant cells
What were the two different types of australopithecines?
A. erect, knuckle-walker B. hunting, gathering C. gracile, robust D. arboreal, terrestrial E. carnivorous, omnivorous