Biology unit 1 Flashcards
what is eukaryotic cell
multicellular organism contains nucleus and complex cell
what is prokaryotic cell
do not have nucleus and simple cells
formula for magnification
magnification = image/actual
what is gram staining
To identify bacteria as being gram positive or gram negative
Function of the golgi apparatus
modifies and packages proteins
Function of plasmodesmata
Transports and communication between plant cells
Job of Ribosome
To make proteins
Organelles found in plant cells and not animal
cell wall
chloroplast
vacuole
Explain how the ultrastructure of a bacterium capsule prevents dehydration.
The capsule stops the water from leaving
Function of the midpiece of a human sperm cell
many mitochondria to create energy to move
Function of root hair in plant cells
increase surface area to absorb water and minerals
What is a gamete
sex cell
What are cilia
hairs on columnar epithelial tissue
How can arteriosclerosis develop
Fatty deposits build up in arteries damaging the Endothelium tissue.White blood cells repair damage leaving layer of plaque blocking the blood flow
Function of chloroplast in plant cells
Where photosynthesis takes place.
how are red blood cells adapted to their function
biconcave to increase surface area
Function of neutrophil cell
immune response
How do neutrophil cells defend body
fight and kill pathogens
Function of squamous epithelial tissue
Found in alveoli,short diffusion pathway to move gases
what damage can smoking cause
damage squamous epithelial tissues
Function of columnar Epithelial tissue
Found in the trachea,cells in a column contains cilia on to protect from infection and goblet cell secretes mucus.
Function of Endothelium tissue
layer of flattened cells lining heart and blood vessels,provide short diffusion pathway
Function of the nucleus
Contains all the important information to control the cell.
Function of Nuclear Envelope
Acts as a membrane surrounding the nucleus
Function of Nuclear Pores
Small holes in the envelope to let substances in and out of the nucleus.
Function of Chromosomes
They are inside the nucleus and contain all the genticall information
Function of the Nucleolus
It is like a mini nucleus inside the nucleus.
Function of the Mitochondria
carries out aerobic respiration.
What is a Double Membrane
Inner membrane and outer membrane.
what is the Cristae
inner membrane of mitochondria which is folded into cristae
what is the Matrix
The fluid inside the mitochondria ,contains DNA and ribosomes
function of the Rough Endoplasmic Reticulum
Transports ribosomes and proteins
Function of Smooth Endoplasmic Reticulum
Transports lipids and carbohydrates
Function of Lysosomes
Cleans the cell with strong enzymes to break it down .
Function of the Centrioles
Produce spindle fibers which is protein chain to help carry out cell division.
job of cytoplasm
Where reactions takes place
what is magnification
How much an image is enlarged under a microscope
What is resolution
The minimum distance between two objects at which a microscope can distinguish them as separate
function of cell wall in plants
Makes up the structure of the cell
Function of vacuole in plants
Contains cell sap
Function of the chloroplast
Where photosynthesis takes place.
What is a cell
The smallest thing making organisms
What is Tissue
A group of cells that work together
What is an organ
A group of tissues
What is an organ system
A group of organs
