The total number of protons and neutrons of an element establishes its ________ number.
Fill in the blank(s) with the appropriate word(s).
mass
Biology & Microbiology
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The sub-atomic particle with a positive charge is _____.
A. a neutron B. an isotope C. an electron D. a proton E. an ion
Biology & Microbiology
The name of the third tubule that sperm enter after they have been produced in the first tubule. _____
A) Endometrium
B) Testis
C) Cervix
D) Uterus
E) Oviduct
F) Ovaries
G) Vagina
H) Seminal vesicle
I) Penis
J) Prostate gland
K) Vas deferens
L) Glans penis
Biology & Microbiology
Temperature at which a solid state changes to a liquid state
What will be an ideal response?
Biology & Microbiology
Name three human cancers with a genetic predisposition. What appears to be the genetic cause of each?
What will be an ideal response?
Biology & Microbiology