Cells are organized into three main regions. What are they?
Nucleus
Cytoplasm
Plasma membrane
100
What are the two methods of membrane transport?
Passive and Active
100
What are the two parts of the cell life cycle?
Interphase and Cell Division
100
What are the four types of body tissues?
Epithelium, connective, muscle, nerve
100
True or false? When a solute moves from low concentration to high concentration, energy input is unnecessary and it is considered passive transport.
False
200
What is the job of the ribosome?
To synthesize proteins
200
What is the property observed in cell membranes that some solutes can enter the cell while some cannot?
Selective Permeability
200
What happens during prophase?
Chromosomes condense
200
Which class of tissue includes cells that produce the extracellular matrix?
Connective tissue
200
True or false: cell division is broken up into 2 stages
TRUE
300
What job does cilia perform for the cell?
Moves materials across cell surface
300
Diffusion ALWAYS occurs from ___________ concentration to ________ concentration.
High, low
300
During ___________, daughter nuclei begin forming and a cleavage furrow (for cell division) begins to form
telophase
300
In what two ways do we classify epithelial tissues?
By shape and number of cell layers
300
Name a place where we would find adipose tissue
In a layer under the skin
Surrounding/cushioning organs
400
Which organelle provides ATP for cellular energy?
Mitochondria
400
In regards to cell volume vs. surface area, what happens when cells get too large?
Cannot exchange enough with environment due to huge volume and much smaller surface area.
400
What do we call the division of the cytoplasm to form two separate cells?
cytokinesis
400
When we observed nerve tissue through the microscope, we saw a neuron surrounded by many smaller cells. What were the smaller cells called?
Supporting cells
400
What is the opposite of exocytosis?
Endocytosis
500
What is the role of tight junctions between cells?
To stop cells from sliding past each other.
500
What is the name of the cellular process that includes the following steps?
1. Material in vesicle to plasma membrane
2. Vesicle combines with plasma membrane
3. Material emptied to the outside
Exocytosis
500
If we were observing a section of cancerous tissue, what two stages of mitosis would we observe most often?
Prophase and telophase
500
2 types of muscle are striated and 1 type is not. What is the 1 non-striated type?