Q: What are the tiny, tube-shaped structures found inside a kidney called? Choices: - neurons - jejunum - dendrites - nephrons A:
nephrons

(Question)
Q: The properties of the alkali metals are similar to each other as expected for elements in the same what? Choices: - class - branch - farm - family A:
(Answer)
family

Ques: Q: There are about 50,000 vertebrate species, and they are placed in how many different classes? Choices: - four - ten - three - nine A:
Ans: nine

(Q).
Q: What is a molecule with two fatty acids and a modified phosphate group attached to a glycerol backbone? Choices: - carbohydrate - polymer - amino acid - phospholipid A:
(A).
phospholipid

Ques:Q: What is the term for rotation of a bone toward the midline of the body? Choices: - visual rotation - interior rotation - lateral rotation - medial rotation A:

Ans:medial rotation

Ques: Q: The conservation of momentum principle can be applied to systems as different as a comet striking earth and a gas containing huge numbers of atoms and these? Choices: - particles - ions - protons - molecules A:
Ans:
molecules