An embryo that is composed of a hollow ball of cells is called a blastocyst
a. True
b. False
True
Biology & Microbiology
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At which level(s) is eukaryotic gene expression regulated?
a. transcription b. translation c. posttranscription d. posttranslation e. all of these
Biology & Microbiology
In __________, an anus forms first. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
__________ are multicelled heterotrophs with
unwalled cells. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
It is best to receive an organ transplant from a donor who ________
A) looks like you B) rarely consumes alcohol C) does not have any allergies D) best matches your self proteins
Biology & Microbiology