Q: How many pairs of chromosomes are there? Choices: - 16 - 25 - 24 - 23 A:
23

Q: What can be calculated by solving the average speed formula? Choices: - accelaration - distance or mass - mass or time - distance or time A:
distance or time

Q: Q: In statistics a boundary on the precision and accuracy is known as what? Choices: - instance - median - frequency - error A:
A: error

Question: Q: What molecules with a nitrogen base are the basic components of nucleic acids? Choices: - sporozoans - enzymes - nuclides - nucleiotides A:
Answer: nucleiotides

*Question*
Q: The most common curved mirrors are what? Choices: - solid - concave - convex - spherical A:
**Answer**
spherical

(Q).
Q: Any organism that causes disease is called what? Choices: - a parasite - a virus - a microbe - a pathogen A:
(A).
a pathogen