Q: Q: What is the energy needed to start a reaction between catalysts and reactants called? A:

OPTIONS:
- reaction energy
- decomposition energy
- conductivity energy
- activation energy

A: activation energy

input: OPTIONS:
- mitosis
- electrolysis
- anaphase
- cytokinesis Now, answer this question: Q: What is the final stage of cell division in eukaryotes as well as prokaryotes? A:
A:
output: cytokinesis

Q: Each muscle fiber contains hundreds of organelles called what? A:

OPTIONS:
- fast glycolytic fibres
- slow twitch fibres
- pores
- myofibrils

Answer: myofibrils

Problem: OPTIONS:
- left ventricle
- right ventricle
- left atrium
- right atrium
Q: Q: What structure of the heart receives oxygen-poor blood from the body, then pumps the blood into the right ventricle? A:
Answer: right atrium

Problem:OPTIONS:
- carbonates
- halides
- dioxides
- disulfides

Q: The mild oxidation of thiols gives compounds called what? A:
****
A: disulfides

Problem:OPTIONS:
- oxides
- particles
- anions
- cations

Q: Ions that contain fewer electrons than protons have a net positive charge and are called what? A:
****
A:
cations