The fluid portion of the blood is called ________
Fill in the blank(s) with correct word
plasma
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At which stage of a basidiomycete's life cycle would reproduction be halted if an enzyme that prevented the fusion of hyphae was introduced?
A) meiosis B) fertilization C) karyogamy D) plasmogamy E) germination
In contrast to positive ssRNA viruses such as coronaviruses and polioviruses, the genome of retroviruses
A) lacks genes encoding for tRNA primers. B) must first integrate into the host's genome before transcription. C) is negative ssRNA. D) lacks ribonuclease activity.
An animal's circulatory system contains ____
a. solid medium to transport nitrogen b. blood vessels for transporting solid food c. blood vessels leading to the heart d. a mouth opening to the outside e. nitrogen to transport wastes
Ancestors of ____ may have possessed mitochondria, which were lost or reduced during evolutionary history
a. Paramecium b. Laminaria
c. Amoeba d. Euglena e. Giardia