UPDATED ACTUAL Questions and
CORRECT Answers
Cell - CORRECT ANSWER - Basic unit of life. Can live independently of other cells
Cytology - CORRECT ANSWER - study of cells
Name 3 types of microscope - CORRECT ANSWER - Compound light microscope
scanning electron microscope
Transmission electron microscope
Name 6 characteristics of life shown by cells. - CORRECT ANSWER - Shows
organization,responsiveness
,growth homeostasis and reproduction metabolism
plasma membrane - CORRECT ANSWER - outer layer of a cell, participates in
growth,reproduction and communication between cells. Regulates what can enter and leave the
cell
Microvilli - CORRECT ANSWER - increases membranes surface area which promotes
absorption
Substances found in plasma membrane - CORRECT ANSWER -
Cholesterol,carbohydrates, proteins and phosolipids
Channels - CORRECT ANSWER - pores in the membrane that allow for specific
substances
to enter or leave
, Transporters - CORRECT ANSWER - proteins that goes from one side of the membrane
to the other, changing shape if needed be.
Receptors - CORRECT ANSWER - proteins that mediate the effects of chemical signals
on cells. Chemicals like hormones or neurotransmitters bind to a receptor which then alters cell
function.
Enzymes - CORRECT ANSWER - participate in reactions occurring in plasma membrane
Linkers - CORRECT ANSWER - link to other proteins in the cell to stabilize membrane
and link membrane proteins of other cells to attach together.
cell identity markers - CORRECT ANSWER - proteins unique to an individuals cells .
Important in the immune system and in transplantation of tissues from one person to another
Organelles - CORRECT ANSWER - specialized structures that preform different tasks
Within the cell
Nuclear membrane - CORRECT ANSWER - Membrane that surrounds nucleus
Nucleus - CORRECT ANSWER - Control center of cell that contains chromosomes
Nucleolus - CORRECT ANSWER - Structure within nucleus. Job is to assemble
ribosomes
Ribosomes - CORRECT ANSWER - small bodies outside of nucleus involved in
manufacturing of proteins. Begin process of protein synthesis while floating freely in cytoplasm