One ancestral characteristic remaining in representatives of the Chytridiomycota is:
a. both sexual and asexual reproduction.
b. gametes formed by mitosis.
c. alternation of generations.
d. flagellated cells.
e. cell walls.
d
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The energy released from the hydrolysis of coenzyme A is conserved in the synthesis of ATP
Indicate whether the statement is true or false.
Autosomal monosomy is not seen in live births because:a
its effects are so small as to be overlooked. b. its effects do not set in until adulthood. c. its effects are so lethal as to cause spontaneous abortion early in pregnancy. d. it only occurs in sex chromosomes and therefore does affect nonreproductive function. e. they lead to the establishment of a clone of abnormal cells
A bacterial genus that has waxy mycolic acid in the cell walls is
A. Salmonella. B. Streptococcus. C. Corynebacterium. D. Mycobacterium. E. Mycoplasma.
A challenge to traditional (pre-1860) ideas about species came from embryology, where it was discovered that _________.
A. all animals develop similar embryonic gills B. embryos of dissimilar organisms, such as sharks and humans, resemble each other C. the more advanced the animal, the more slowly it develops D. mutations have a far more dramatic effect on embryos than on adult organisms