Cells Revision

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Created May 24, 2010
by jennifer_lord
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Side ASide B
These may be attached to ER or free in the cytoplasm
Ribisomes
How many celss are created form mitosis
Two
If a human cell has 46 chromosomes, how many chromosomes will be in ach daughter cell?
46 Chromesomes
What is the function of the nucleolus
involved the the manufacture and assembly of the components of ribosomes.
What is the function of microtubules?
Microtules form from the centriols at the centrosome. They are made of a spherical proteine...
What anchors the spindle?
Centremere
Cells group together to form______which group together to form_____ which then group together...
Tissues Organs Systems
The appearance may be rough or smooth.
Endoplamic Reticulum
As a result of mitosis, each new cell has:   a) twice as many chromosomes as its parent...
d) the same number of chomosomes as its parent cell.
True or False   During metaphase the centromeres of the chomosomes gather along the...
True
Regulates passage of material into and out of the cell.
Cell membrane
Mebranous sac of digestive enzymes
Lysosome
What is the function of Rough ER
It is externally studded with ribosomes.   Sugar groups are attached to the proteins...
what is the function of smooth ER
The smooth ER is a membranous system of sacs and tubules.   It is free of ribosomes...
What moves the chomatids during mitosis
Spindle fibers
is involves in enrgy formation (ATP) for the cell
Mitochondria
The process by which a cell physically divides into two daughter cells
Mitosis
What are the four phases of mitosis
Metaphase Anaphase Telophase Prophase  
What is the function of lysosomes
Lysosomes are membranous sacs that contain acid hydrolases.   These are the sites of...
What is the function of Microfilaments
Microfilaments are made from small fibrous protein called actin.   They are involved...
what structure holds the individual chomatids together
Centomere
what is the function of the nuclear envelope?
The nuclear envelope is a double membrane structure which is pierced by the pores. The outer...
What is the function of centrioles?
These paired cylindrical bodies are each composed of nine triplets of mircrotubules. They...
What is the function of ribosomes?
Ribosomes are dense particles that consist of two subunits, each cimposed of ribosomal RNA...
What is the Nuleus Function?
Within the nucleus is DNA resposible for providing the cell with its unique characteristics. The...
What is the function of mitochondria
They are involved in aerobic respiration, the process by which chemical energy is made available...
What is the function of golgi apparatus?
Stack of smooth membrane sacs and associated vesicles that are close to the nuclus.   The...
What is the function of the plasma membrane
This membrane encloses the cell and is made from a bi-layer of phospholipids and cholesterol.   it...

Label the diagram
1-Mitochondria 2- Rough ER 3- Nucleus 4- Nuclear pores 5- Plasma Membrane 6- Nucleolus 7-...
The plasma membrane consists ofa)mostly proteins.b)entirely of phospholipids.c)phospholipids,...
phospholipids, proteins, and carbohydrates
The cytoplasm is the term fora) all cell organelles combined.b) microtubules and microfilaments....
the cytosol plus the cell organelles and inclusions
3. Endocytosis is an example ofa) excretion.b) passive transport.c) active transport.d) simple...
active transport
The movement of water across a selectively a)permeable membrane is calledb)osmosis.c) facilitated...
osmosis
Which of the following is necessary for diffusion to occur?a) a concentration gradient.b) a...
a concentration gradient
A red blood cell placed in a hypotonic solution a) loses water.b) gains water.c) neither gains...
gains water
Chromatin is found in thea) nucleus.b) ribosomes.c) mitochondria. d) lysosomes.
nucleus
The packaging and sorting of proteins is the function of the a) endoplasmic reticulum.b) Golgi...
Golgi apparatus
Protein synthesis occurs at thea) mitochondria.b) Golgi apparatus.c) ribosomes.d) lysosomes.
ribosomes
Which of the following are considered the "powerhouses" of the cell?a) lysosomes.b) ribosomes.c)...
mitochondria


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