Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Cell
|
the basic unit of structure and function in living organisms.
|
|
|
|
Organelles
|
structures inside cells that perform specific jobs for the cell.
|
|
|
|
Cell Membrane
|
a selectively permeable envelope that surrounds the cell.
|
|
|
|
Eukaryotes
|
are organisms whose cells contain a membrane- bound nucleus and organelles.
|
|
|
|
Prokaryotes
|
are unicellular organisms like some bacteria that lack a membrane- bound nucleus and organelles.
|
|
|
|
Nucleus
|
is the large organelle near the center of the cell that directs most of the cell's activities and contains the genetic code of the cell.
|
|
|
|
Selectively Permeable
|
means that some substances can pass through while others cannot.
|
|
|
|
Cytoplasm
|
is the gelatin- like watery substance inside the cell.
|
|
|
|
Mitochondria
|
are the sites of chemical reactions that transfer energy from organic compounds to ATP.
|
"powerhouse" of the cell
|
|
|
Ribosomes
|
are organelles that synthesize proteins and RNA.
|
|
|
|
Endoplasmic Reticulum
|
is a system of tubules.
|
|
|
|
Rough E.R.
|
is covered with ribosomes.
|
|
|
|
Smooth E.R.
|
is not covered with ribosomes.
|
|
|
|
Golgi Apparatus
|
is the processing, packaging, and secreting organelle of the cell.
|
|
|
|
Lysosomes
|
are organelles that digest substances such as protein, old cell organelles, viruses, and bacteria.
|
|
|
|
Cytoskeleton
|
is a network of long protein strands that provide support.
|
|
|
|
Microfilaments
|
are the smallest protein strands in the cytoskeleton.
|
|
|
|
Microtubules
|
are the largest protein strands in the cytoskeleton.
|
|
|
|
Spindle Fibers
|
are bundles of microtubules that appear during cell division.
|
|
|
|
Nucleous
|
is inside the nucleus and is the site where ribosomes are synthesized and partially assembled.
|
|
|
|
Nuclear Matrix
|
is the protein skeleton of the nucleus.
|
|
|
|
Nuclear Envelope
|
is a double membrane that surrounds the nucleus.
|
|
|
|
Chromatin
|
is fine strands of protein and DNA.
|
|
|
|
Chromosomes
|
form when chromatin strands coil up and pack closely together.
|
|
|
|
Nuclear Pores
|
are small openings in the nuclear envelope.
|
|
