Human Anatomy and Physiology Flashcards
The cell is the _____ ______________ ____ of all living things
Basic organizational unit
Each piece withing a cell has a function that helps organisms ____ and _______
Grow and survive
There are many different types of cells, but cells are ______ to each type of organism
Unique
The one thing that all cells have in common is a ________
Membrane
What is a membrane comparable to?
A semi-permeable plastic bag
What is the membrane composed of?
Phospholipids
Proteins that help certain molecules and ions move in and out of the cell
Transport holes
Where are transport holes found?
Membrane
The cell is filled with a fluid called _________ or _______
Cytoplasm or cytosol
Within the cell there are a variety of __________
Organelles
Groups of complex molecules that help a cell survive, each with its own unique membrane that has a different chemical makeup from the cell membrane
Organelles
The larger the cell, the more __________ it will need to live
Organelles
All organisms, whether plants, animals, fungi, protists, or bacteria, exhibit structural organization on the ________ and ________ level
Cellular and organism
All cells contain ___ and ___ and can synthesize proteins
DNA and RNA
_____ are the basic structural units of all organisms
Cells
All organisms have a highly organized ________ structure
Cellular
Each cell consists of:
Nucleic acids, cytoplasm, and a cell membrane
Specialized organelles such as ____________ and ____________ have specific functions within the cell
Mitochondria and chloroplasts
In single-celled organisms, that single cell contains all of the components necessary for ____
Life
In multicellular organisms, cells can become __________
Specialized
Different types of cells can have different _________
Functions
Life begins begins as a single cell whether by _______ or ______ ____________
Asexual or sexual reproduction
What are cells grouped together in?
Tissues
What are tissues grouped together in?
Organs
What are organs grouped together in?
Systems
An ________ is a complete individual
Organism
This is a small structure that contains the chromosomes and regulated the DNA of a cell
Nucleus
The defining structure of eukaryotic cells, and all eukaryotic cells have this
Nucleus
Responsible for the passing on of genetic traits between generations
Nucleus
What does the nucleus contain?
- Nuclear envelope
- Nucleoplasm
- Nucleolus
- Nuclear pores
- Chromatin
- Ribosomes
These are highly condensed, threadlike rods of DNA
Chromosomes
What is DNA short for?
Deoxyribonucleic acid
Genetic material that stores information about the plant or animal
DNA
This consists of the DNA and protein that make up chromosomes
Chromatin