Chapter 3
Proteins are processed and modified in the interior of the.... (organelle)
Rough Endoplasmic Reticulum
Which cellular structure is responsible for packaging materials with the cell?
Golgi Apparatus
In order to digest materials within a cell, the material to be digested must fuse with.... (organelle)
A lysosome
The plasma membrane is composed of (2 things)
Phospholipids and proteins
Proteins do NOT pass through cell membranes because...
They are too large.
Cellular respiration is best associated with the.... (organelle)
Mitochondria
The membrane that covers the nucleus is called..... and the holes in it are called the.....
Nuclear envelope and nuclear pores
The innermost membrane of the chloroplast is referred to as the....
Thylakoid membrane
The extent to which a membrane allows a substance to pass through is the.....
Permeability
Carrier molecules are required for (two answers)
Both active and facilitated transport
In what kind of microscope does visible light pass through a specimen, then through
glass lenses, and finally is
projected into the viewer’s
eye. Specimens can be
magnified by up to 1,000
times.
Compound Light Microscope
What is one component of Cell Theory?
All organisms are composed of one or more cells.
Cells are the basic living unit of structure and function in organisms.
All cells come only from other cells.
The term hypertonic means....
A higher solute concentration
When a substance moves from an area of low concentration to an area of high
concentration while using energy, the process is termed....
Active transport
What kind of carrier protein allows molecules to move through a membrane through space provided
by the protein.
Carrier proteins
How is a vacuole different than a vesicle?
Vacuoles are central and larger
Why is the rough endoplasmic reticulum considered to be rough?
It contains ribosomes.
The plasma membrane is made up of......
Phospholipid Bilayer
How does exocytosis differ from endocytosis?
Exocytosis is leaving the cell, Endocytosis is entering the cell
When an intestinal cell ingests substances inside very small vesicles that can only
be seen with an electron microscope, this is...
Pinocytosis
The inner portion of the mitochondria is called the...
Matrix
Hairlike projections that aid in cell movement are called
-longer and shorter examples
Flagella and cilia
What makes it difficult for Glucose to diffuse across the membrane?
Large polar molecule
If you have a 10% sugar solution and a 35% sugar solution, how does the 10%
solution compare to the 35% solution?
Hypotonic
In Type 1 diabetes, insulin-producing beta cells are attacked by their own immune system. Which type of membrane protein is most likely to be involved?
Cell recognition