I believe it's A. Premature Birth (though they all seem pretty believable)
The mass is increased as two things are added together so the two masses of the two substances are added together.
A ribosome is the part of a cell is used by a virus to produce its protective
protein coat.
Virus produces a protective protein coat known as capsids which serves as
a means of protection for the organism. The capsids are produced through
the organelle known as ribosome.,
The ribosome acts as a site for protein synthesis in organisms and the
capsids being made up of protein means the ribosome was used to
produce its protective protein coat.
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<span>Oxytocin and antidiuretic hormone (adh) are synthesized in the ypothalamus but released from the posterior pituitary.</span>