Cells Flashcards
(42 cards)
Define an organelle
- small body within a cell
- carries on certain functions
- organelles make 5% to 30% of cell, rest is water
Define lysosomes
• helps recycle food waste
Define chloroplast
- green organelle
- in plant cell
- carry on photosynthesis
Define mitochondria
• makes energy for cell
Define carbon dioxide
- waste product from cellular respiration
* animal cells
Define selectively permeable membrane
• only lets certain things in and out of cell
Define photosynthesis
- process in plant cells
* produces food for energy
Define glucose
- substance used by mitochondria
- makes energy
- type of sugar
Define ribosomes
• makes proteins
Define the endoplasmic reticulum
What are the different types?
What is the difference?
• moves things around in cells tubes
Smooth endoplasmic reticulum-
Has no ribosomes attached to it
Rough endoplasmic reticulum-
Has ribosomes attaches to it
Define vesicles
• acts like postal delivery
Sends messages to places or makes something
Define a vacuole
What are the different types?
Which cell are they located in?
• place to store food or wastes
Animal cell-
• Multiple vacuoles spread all over the place
• smaller
Plant cell-
• One central vacuole
• bigger
Define proteins
- complicated molecule
* made in cell by ribosomes
Define prokaryotic cells
Give an example
- cell without membrane
* bacteria
Define eukaryotic cells
What kind of things are in these cells?
- cell with membrane
* nucleus, mitochondria, endoplasmic reticulum etc
Define streptococcus
- type of bacteria
* can cause flesh-eating disease
Define diffusion
What are the different types of diffusion?
- name of kind of movement
- involves food and wastes
High concentration-
Where a lot of something is
Steeper concentration-
Higher concentration in one place, travels faster
Low concentration-
Where something is not, where something is going
Shallow concentration-
Less concentration in one area, travels slower
Define osmosis
• name for water movement in and out of a cell
To make energy an animal cell must start off with?
- food
* oxygen
To start making food a plant cell must start off with?
- sunlight
- carbon dioxide
- water
In an animal cell food and oxygen are used to make?
- carbon dioxide
- water
- energy
I’m a plant cell, carbon dioxide, sunlight, and water form to make?
- oxygen
* food
The jelly like substance found inside a cell is called?
Cytoplasm
All cells have a different amount of _________ that carry on different jobs in the cell
• organelles