The singular form of biopsy is biopsy.
The plural of biopsy is biopsies.
Yes, the word "bacteria" is plural. The singular form is "bacterium."
Techincally, bacteria is plural. Bacterium is the singular. The reality of contemporary usage is that most people are unfamiliar with the word "bacterium" and use bacteria for both the singular and plural. However, you should try to avoid using bacteria as a singular in formal communication.
Monocyte is singular. The plural form is monocytes.
"Biopsy" is the singular form, while "biopsies" is the plural form.
The word team is singular; the plural form is teams.
biopsies
These is plural, this is singular
The singular form of biopsy is biopsy.
Lance is singular. Lances is plural.
The word 'Phenomenon' is singular. The plural form is 'Phenomena'.
The word metastasis is singular, metastases is plural.
The word "ground" can be both singular and plural. Singular: "The ground is wet." Plural: "The grounds of the park are well-maintained."
The word "louse" is singular. The plural form is "lice."
No, the word "list" is singular. The plural form of "list" is "lists."
Caveman is singular. Cavemen is plural.