Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Did you know?
Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
Question
question asked
In situ hybridization. This color-coded frontal section through a rat brain reveals high ...
Delta method question
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Binomial-probability calculation of seed-color phenotype in six-seeded pods