Anaphase
Chromosomes move towards the opposites ends of the cell during ________.
Energy
The job of mitochondria is to supply cells with _______.
Cell walls
Plant cells and animal cells differ because plants cells have _________.
A nucleus
Prokaryotic cells differ from eukaryotic cells in that prokaryotic cells do not contain ________.
False
True or False:
Cells of benign tumours can break away from the original tumour and move to different parts of the body.
False
True or False:
Mitosis is the longest stage of the cell cycle.
True
True or False:
Biophotonics is a technology that uses beam of light to detect and treat cancer.
Asexual
In _________ reproduction, the offspring are exact genetic copies of the parent.
Carcinogens
Environmental factors, such as tobacco and smoke, X-rays, and UV rays, that cause cancer are ________.
The process by which particles spread from areas of higher concentration to areas of lower concentration.
Diffusion
The movement of water from areas of higher water concentration to areas of lower water concentration.
Osmosis
The amount of substance (solute) in a given volume of solution.
Concentration
The disease resulting from uncontrolled cell division.
Cancer
A mass of cells that divides uncontrollably without any function to the body.
Tumour
Interphase
During ___________ the cell grows to its mature size, makes a copy of its DNA, and prepares to divide into two cells. Two cylindrical structures called centrioles are also copied.
Prophase
During ________ the chromosomes appear condensed, and the nuclear envelope is not apparent.
Metaphase
During _________ thick, coiled chromosomes are lined up in the center of the cell on the _________ plate. Spindle fibres are attached to the chromosomes.
Anaphase
During ____________ the chromosomes have separated and are moving toward the poles.
Telophase
During __________ the chromosomes are at the poles and are becoming more difuse. The nuclear envelope is reforming. The cytoplasm may be dividing.
1. All living things are made up of one or more cells
2. The cell is the simplist unit that can carry out a life process
3. All cells come from other cells, they do not come from non-living matter
What is the cell theory
Without a nucleus
Bacteria
Prokaryote
With a nucleus
Amoeba, animal, plant
Eukaryote
Cytoplasm
What is this?
In both animal and plant cells
All organelles inside a cell are suspended in cytoplasm
Cytoplasm is mostly made up of water
Cytoplasm can change from a jelly to a liquid in order to allow other organelles to moce around
Cytoplasm
Cell membrane
What is this?
In both animal and plant cells
Supports the cell and allows some substances to enter the cell and keep others out
Semi-permeable membrane
Cell membrane
In both animal and plant cells
Contains genetic information that controls cell activities
What is this?
The substance that carries coded instruction for cell activities
What is the function of DNA
Mitochondria
What is this?
In both plant and animal cells
Supply energy to the cell
Contains enzymes that help convert stored energy into an easily usable form (cellular respiration)
Muscle cells have lots of mitochondira whereas fat cells only have 1 or 2
Mitochondria
Needed: glucose and oxygen
Waste product: Carbon dioxide, water, and usable energy
Cellular respiration
Endoplasmic reticulum
What is this?
In both plant and animal cells
Three dimensianol? network of branching tubes and pockets
Transports materials such as protein through the cells
Endoplasmic reticulum
Golgi bodies
What is this?
In both plant and animal cells
Make and secrete musuc?
Golgi bodies
Vacuole
What is this?
In both plant and animal cells
Vacuole