Why is it essential that meiosis produce haploid cells?
A. so that the number of chromosomes will double each generation
B. to produce haploid offspring
C. to prevent the number of chromosomes from doubling each generation
D. to produce diploid gametes E. to allow asexual reproduction
C. to prevent the number of chromosomes from doubling each generation
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In what part of the cell cycle does an actively
dividing cell produce the proteins necessary for mitosis?
a. G1 b. S c. G2 d. prophase e. more than one of these
Lung cancer is associated with changes in chloride and water movement into and out of exocrine glands, dry and thickened mucus in the airways, and an increase in the incidence of respiratory infections
1.True 2.False
Which process involves antibodies coating microorganisms in order to facilitate phagocytosis?
A. Neutralization B. Opsonization C. Complement fixation D. Agglutination E. Anamnestic response
The commercially important unicellular protists that are used in filters, polishes, and other industrial
processes are the:a. dinoflagellates. b. euglenoids. c. apicomplexans. d. zooflagellates. e. diatoms.