Anatomy, Chapter 3 Cells
Down
In osmosis, water diffuses through a semipermeable membrane _____________ its concentration gradient.
Endocytosis
Name the type of active transport mechanism in which large molecules or particles are conveyed by a vesicle into the cell.
Nucleus
The ________ of the cell is relatively large, usually spherical structure, that contains the genetic material that directs the activities of the cell.
Nucleus
The _________ is surrounded by an envelope and contains the genetic material (DNA) of the cell.
Meiosis
The form of cell division that occurs only in cells that give rise to sex cells is called?
Cytosol
The liquid portion of the cytoplasm is called?
Endoplasmic Reticulum (ER)
The membranous organelle that is the site of synthesis of proteins and lipids is the?
Between
The prefix "inter-" means?
Telophase
The stage of mitosis in which chromosomes uncoil to become chromatin and the nuclear envelope reforms is?
Condenses into chromosomes during cell division, is made of protein and DNA
What are characteristics of chromatin?
To identify the cell as being "self" or foreign
What is the function of glycoproteins?
Above
What is the meaning of the prefix "hyper?"
Below
What is the meaning of the prefix "hypo-?"
Hydrophillic phosphate head
What part of the phospholipid in the cell membrane comes in contact with the extracellular fluid?
Cell membrane, nucleus, cytoplasm
Which are the three major parts of a cell, that when stained, can be easily seen under the light microscope?
The nucleus and nucleolus disappear, chromatin coils up into chromosomes, spindle fibers form
Which events occur during prophase?
It functions in the synthesis of lipids, it provides attachment for ribosomes, it functions in the synthesis of proteins, it is composed of membranous sacs
Which of the following are characteristics of the Endoplasmic Reticulum (ER)?
Phospholipids, cholesterol, proteins, carbohydrates
Which of the following are components of the cell membrane?
It is the site of signal transduction, it is a selectively permeable passageway
Which of the following are functions of the cell membrane?
Chromatin
_________ is the material in the nucleus composed of protein and DNA; it contains information to guide synthesis of proteins and it condenses into chromosomes during cell division.
Cytoskeleton
A network of microtubules and microfilaments form a structure called the _____________ of the cell.
Higher
Solution A has a higher concentration of salt than solution B, therefore, solution B has a _______ concentration of water than solution A.
True
T or F: Mitochondria are abundant in cells with high energy requirements such as muscle cells.