While water continually orients phospholipids into a lipid bilayer, it does not fix the lipids permanently into position. Thus, the bilayer is considered to be _______

A. static
B. fluid
C. fluctuating
D. charged


B

Biology & Microbiology

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The nucleoli, found within the nucleus, are the sites of ____ synthesis

a. chromatin b. mRNA c. ribosomal subunit d. gene e. protein

Biology & Microbiology

Having aseptate hyphae, members of this phylum are described as coenocytic since they have

numerous nuclei in a common cytoplasm.

a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota

Biology & Microbiology

Which suggests that life evolved from chemicals slowly increasing in complexity over a period of millions of years?

A) natural selection B) creationism C) gradualism D) chemical evolution

Biology & Microbiology

The carbon cycle is based on carbon dioxide. CO2 makes up about

A. 3% of the atmosphere. B. 0.03% of the atmosphere. C. 0.3% of the atmosphere. D. 0.003% of the atmosphere. E. 30% of the atmosphere.

Biology & Microbiology