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How many funtions are there for membrane proteins
SIX
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What are the six functions of membrane proteins
- A= Attachment to the cytoskel and extracellular matrix
- S= Signal transduction
- s
- o
- C= Cell to cell recognition
- I= Intercellular joining
- a
- T=transport
- E=Enzymatic activity
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What are the 2 types of proteins?
Phospholipids and Proteins
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Every Cell has WHAT?
PLASMA MEMBRANES
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What are the four types of macromolecules? Ntk just 3
- LIPIDS
- CARBOHYDRATES
- PROTEINS
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What is anothe name for the fluid mosaic model?
Plasma membrane
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What is plasma membrane made up of?
Phospholipid bilayer
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Phospholipid is what kind of molcule?
Ampipathic
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What kind of movement do plasmamembranes have?
Lateral
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What reduces membrane fluidity and acts as a "temporary buffer"?
Cholesterol
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What are the pores on a plant cell called?
PLASMODESMATA AND MADE UP OF CELLULOSE
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What is the outer layer of a plant cell ?
CELL WALL
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The nucleus of a cell keeps what out?
DNA AND RNA
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What is transportated through the nucleus pores
mRNA
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What maintains the nucleus shape?
The nuclear LAMINA
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What is synthesized at the NUCLEOLUS?
rRNA
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DNA turned into RNA is called what
transcription
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Where does transcription occur?
Inside the nucleus
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What basically are chromosomes?
DNA and RNA
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What 2 things do ribosomes have?
Proteins and rRNA complexes
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What do ribosomes do?
Synthesize proteins
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When RNA is turned into proteins, this is called?
Translation
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The nucleus has two membranes called?
Phospholipid bilayer
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What are the types of E.R are there?
Two , Smooth and Rough
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What does Rough E.R have and what does it do?
Rough E.R has ribosomes and does protein synthesis
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Rough E.R structure are big or small
Really, really small
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What does the letters E.R mean?
Endoplasmic Reticulum
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What does smooth E.R do?
Synthesizes secretary proteins which are internalized, glycosylated, and transportated to GOLGI
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Smooth E.R has 3 functions:
- synthesizes: lipids and cholesterol
- and
- Our liver has TONS of these cells
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Is Golgi attached to the nuclear membrane
NO
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So what is attached to the Nuclear Membrane?
E.R~
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Lysomes are only in animal or plant cells?
Animal
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Lysosomes digestive enzymes break down:
Food
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When lysosomes digest food, this is called:
PHAGOCYTOSIS
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When lysosomes break down damaged organelles, this is called:
AUTOPHAGY
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How do mitochondria produce energy?
Through cellular respiration
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What is ATP?
Adenosine Tri Phosphate
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Mitochondreal DNA is in the:
MARTRIX
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Cellular respiration is also called:
Glucose breakdown
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How many mitochondria do cells have?
Hundreds or even thousands
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In Mitrochondria, the outer layer is smooth or convoluded?
Smooth
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In mitochondria, the inner layer is:
Folded and Convoluded
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The folded membrane of mitochondria is:
Cristae and is folded
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Chloroplasts are in animal or plant cells?
Plant
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Plants cells have pancake stacks called:
GROMA
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Microtubles have microfilaments also known as:
ACTIN FILAMENTS
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Centrosomes are only in Animal or Plant cells and have?
Animal cells and have CENTROSOMES
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Centrosomes are needed to:
Separate Chromosomes
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What do Microtubles separate?
Chromas during cell division
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Actin Filaments provide:
Muscle Contraction
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All microtubles have cell motility called:
Pseudopodia
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When cells divide, the space where they divide is called
Cleavage Furrow
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