Which of the following are characteristics that all bryophytes share? Select all correct choices
A. thalli
B. sporophyte and gametophyte generations
C. stomata
D. water-dependent sperm
E. desiccation resistance
B,D,E
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The product of chromosome duplication is
(a) two chromatids. (b) two nuclei. (c) two daughter cells. (d) two spindles.
In flowering plants, the gametophytes are ____
a. smaller than the sporophytes and do not nourish themselves b. smaller than the sporophytes but are free-living and nourish themselves for most of their lives c. usually larger than the sporophytes, and free-living d. usually larger than the sporophytes, and both nourish themselves e. roughly equal in size tosporophytes and both nourish themselves
Sebaceous glands in the skin produce ____
a. oils b. sweat c. tears d. new skin cells e. hormones
Which of these are NOT embedded in the hydrophobic portion of the lipid bilayer at all?
A) transmembrane proteins B) integral proteins C) peripheral proteins D) All of these are embedded in the hydrophobic portion of the lipid bilayer.