Unit 1 Knowledge Check: Chemistry of Life

What is the study of the structure of the human body called?

• physiology

• anatomy

• homeostasis

• cytology

Which directional terms below would be used to reference the back of the body?

• ventral

• lateral

• dorsal

• proximal

Which of the following represents a structure at the tissue level of organization?

• 
  a group of cardiac cells contracting in unison

• a single neuron viewed under the microscope

• 
  the stomach, small intestines, and large intestines working together to digest food

• a group of muscles working together to move the arm

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which of the following actions takes place during the interphase of the cell cycle?

• 
  the condensed chromosomes become visible

• 
  the DNA is replicated

• 
  the nuclear envelope breaks down

• 
  the chromosomes line up at the middle of the cell

Which microscope structure is used to bring the specimen into general focus?

• objective lens

• 
  coarse adjustment knob

• 
  fine adjustment knob

• 
  ocular lens

Which component of a homeostatic feedback mechanism interprets the information from the receptor?

• 
  control center

• regulator

• 
  effector

• 
  stimulus