An embryo that is composed of a hollow ball of cells is called a blastocyst

a. True
b. False


True

Biology & Microbiology

You might also like to view...

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