Freshwater lakes in temperate regions will turn
over in the
a. fall.
b. winter.
c. spring.
d. summer.
e. fall and spring
E
Biology & Microbiology
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Which of the following is NOT a member of the Eukarya?
A) protists B) fungi C) viruses D) red algae
Biology & Microbiology
Otto Loewi demonstrated that neurons transmit signals across synapses by ____
a. electrical signals b. calcium channels c. acetylcholine d. chemical signals e. proteins
Biology & Microbiology
Protists are a diverse group of organisms. Which of the following is not characteristic of protists?
1.May be multicellular or unicellular. 2.May have DNA in a plasmid or in a nucleus. 3.May reproduce sexually or asexually. 4.May be autotrophs and/or heterotrophs.
Biology & Microbiology
Aneuploidy would describe all of the following except
a. Turner syndrome. b. Klinefelter syndrome. c. translocation. d. XYY. e. Down syndrome.
Biology & Microbiology