An embryo that is composed of a hollow ball of cells is called a blastocyst
a. True
b. False
Indicate whether the statement is true or false
True
You might also like to view...
The word evolution simply means ______________.
a. Unchanging b. Change over time c. Immediate change d. all the above
The protist that causes malaria belongs to the genus Macrocystis
___________________ Indicate whether the statement is true or false.
Members of the genus Rhizobium ________.
A. grow symbiotically in root nodules of legumes where they fix nitrogen B. are important nitrifying bacteria that convert nitrite to nitrate C. infect broad-leaved plants and cause crown gall disease D. are free living soil bacteria that fix nitrogen
Which of the following has the largest surface-to-volume ratio?
a. Escherichia coli b. influenza virus c. Roseobacter denitrificans d. Staphylococcus aureus