prophase and telophase
Yes, that is exactly what they are. Large protein machines for cellular metabolic activities.
No, although their respective charges are exactly equal in size, they are opposite in sign.
No. The opposite of an electron is an antielectron or positron, which has exactly the same mass but opposite charge. A proton has opposite charge from that of an electron, but it is about 1836 times more massive.
The meridian exactly halfway around the world from the prime meridian is called the 180th meridian or the antimeridian. This line represents the opposite side of the Earth from the prime meridian and is where the International Date Line is located.
Mitosis.The term "identical" refers to the nuclear genetic material. The daughter-cells may not be exactly identical in many respects, but they have the same chromosomes, and genes on those chromosomes, as each other and as the original mother-cell.
A trapezoid has exactly one pair of parallel sides opposite of each other. It is the only quadrilateral with this characteristic.
Opposite of you
I do not know if it's exactly 'opposite' but Bicycle springs to mind
Northwest
The neck does not exactly have an opposite, but in some circumstances we might contrast it with the body.
Their magnitudes are exactly equal, and their directions are exactly opposite.
A rectangle is a parallelogram, and neither a trapezoid nor an isosceles trapezoid could have exactly two opposite right angles.So, a quadrilateral that is not a parallelogram and could have exactly two opposite right angles must be a kite.
One unique characteristic of nickel is that it has exactly 28 protons.
What exactly do you mean when you say "the opposite of a whole number" . . .
No word is exactly opposite of "compost". Most object nouns have no opposite except for the combination of "not + (that object)". Not compost is opposite of compost.
Not exactly, more the opposite.
an antonym is another word for 'opposite'