NC#1 Flashcards
Centrioles area set of microtubules, usually found at right angles to each other, which aid in cell division.
True or false
True
The nuclear pore is a double membrane that surrounds the nucleus of the cell
True or false
False
Which is not considered part of the cell
a. Cytoplasm
b. Nucleus
c. Plasma membrane d. Peroxisome
Peroxisome
Type of chemical bond when two or more atoms share electrons rather than gaining or loosing
Covalent bond
Process by which materials move out of the cell through the fusion of a vesicle with the plasma membrane is
Exocytosis
A compound that dissociates in water and forms a hydrogen ion (H+) is
Acid
Nuclear division where the number of chromosomes is reduced by half and is part of reproductive cell division is
Meiosis
The phase of somatic cell division where the cytoplasm divides into two separates cells is
Cytokinesis
True or false
Movement of water from an area of higher to an area of lower water concentration through a selectively permeable membrane is called transcytosis
False
An enzyme is a compound that speeds up the rate of a chemical reaction and becomes part of the product
True or false
False
pH is the measure of hydroxide ion (OH-) concentration in a solution
True or false
False
The lysosome is often referred as
Suicide sack of the cell
Receptor, controlled condition and effector are the main components of a feedback system
True or false
False
The term pathological cell death that results from cell injury is called cremation
True or false
False
This type of bond forms when a hydrogen atom with a partial positive charge attracts the partial negative charge of neighbouring electronegative atoms
Hydrogen
