Maintenance of the uterine lining during pregnancy in mammals requires

A. estradiol.
B. testosterone.
C. FSH.
D. LH.
E. progesterone.


E. progesterone.

Biology & Microbiology

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The onset of AIDS is often accompanied by  

A.  a steep drop in T cell numbers. B.  macrophage infection. C.  a positive HIV test. D.  lung infections and other opportunistic infections. E.  Kaposi's sarcoma.

Biology & Microbiology

Members of which fungal phylum form associations with approximately 90% of land plants by forming mycorrhizae

with them?

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

Biology & Microbiology

If you found a species of plant consisting of widely separated small populations, what might you expect?

A. low genetic diversity B. bottleneck effects C. increased likelihood of extinction D. genetic isolation among subpopulations E. All of the answer choices are correct.

Biology & Microbiology

Eczema is an autoimmune disorder.

Answer the following statement true (T) or false (F)

Biology & Microbiology