Saxitoxin is produced by __________.
A) fungi
B) bacteria
C) dinoflagellates
D) helminths
E) protozoa
Ans: C) dinoflagellates
Biology & Microbiology
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At what point in development is a human embryo considered to be a fetus?
a. 2 weeks b. 4 weeks c. 8 weeks d. 10 weeks e. 12 weeks
Biology & Microbiology
Rabbits introduced to Australia overpopulated because in their new habitat ____
a. people rarely hunted them b. they had no natural diseases c. they had no natural predators d. their food supply was larger e. there were few herbivorous competitors
Biology & Microbiology
If a population is in Hardy–Weinberg equilibrium and p 5 .6,
a. q 5 .5 b. q 5 .4 c. q 5 .3 d. q 5 .16
Biology & Microbiology
Which of the following is found in plant cells but not animal cells?
A. central vacuole B. chromosomes C. nucleus D. lysosomes E. Golgi complex
Biology & Microbiology