Q: Pacemaker cells stimulate the spontaneous contraction of cardiac muscle as a functional unit, called a what? Choices: - coenocyte - tapetum - adipocytes - syncytium A:
syncytium

(Question)
Q: What is the largest organelle in a eukaryotic cell? Choices: - ribosome - vacuole - mitochondria - nucleus A:
(Answer)
nucleus

Ques: Q: The peripheral nervous system has major nerves that travel through every part of the body except which two places? Choices: - muscles and brain - lungs and spinal cord - brain and heart - brain and spinal cord A:
Ans: brain and spinal cord

(Q).
Q: What classification system was developed by a swedish botanist trying to classify all known living things? Choices: - taxonomical system - plantological system - bionumerical system - linnaean system A:
(A).
linnaean system

Ques:Q: An atomic symbol is used to represent what? Choices: - electron shell - mole - weight - element A:

Ans:element

Q: Which hormone helps cells absorb sugar from the blood? Choices: - estrogen - cortisol - adrenaline - insulin A:
insulin