Mitochondria most resemble _____
a. archaeans
b. aerobic bacteria
c. cyanobacteria
d. early eukaryotes
B
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Which of the following do green algae and plants NOT have in common?
A. plastids B. chlorophyll a C. chlorophyll b D. beta-carotene E. heterocysts
Which of the following is considered to be a plant behavior?
A. response to sunlight B. response to plant hormones C. response to touch D. response to gravity E. all of the choices
Cephalopods have an open circulatory system
____________________ Indicate whether the statement is true or false.
Among adults Chlamydia trachomatis is an STD, but among children who are not sexually active, it can cause ocular infections which may be spread
A) by flies. B) in saliva. C) on hands. D) on hands or by flies. E) by contact with saliva or blood.